SYSTEM ZUR DIAGNOSE VON REAGENZLÖSUNGSQUALITÄT UND ABGASKATALYSATORDEGENERATION

Multiple operating mode engine and method of operation

A multi-mode internal combustion engine and method of operating the engine is provided which is capable of operating in a variety of modes based on engine operating conditions to enhance fuel efficiency and reduce emissions. The multi-mode engine include a fuel delivery system and control system for permitting the engine to operate in a diesel mode, a homogeneous charge dual fuel transition mode, a spark ignition or liquid spark ignition mode and/or a premixed charge compression ignition mode. The control system and method permits the engine operation to transfer between the various modes in an effective and efficient manner by controlling one or more fuel delivery devices or other engine components so as to move along a continuous transfer path while maintaining engine torque at a substantially constant level.

HEAT SHIELD FOR BELLOWS

A heat shield for a bellows includes a central section, a first outer section, a first annular insert, a first annular flexion member, a first pipe, and a first rod. The first outer section includes a first outer section first end and a first outer section second end opposite the first outer section end. The first annular insert includes a first slot and is positioned within the first outer section second end. The first annular flexion member is coupled to the first outer section first end of the first outer section and coupled to the central section. The first annular flexion member facilitates movement between the first outer section and the central section. The first pipe is partially received within the first slot in the first annular insert. Movement between the first outer section and the central section causes movement between the first pipe and the first rod.

Control system for doser compensation in an SCR system

A method includes determining whether selective catalytic reduction (SCR) test conditions are present, and in response to the SCR test conditions being present, operating an SCR aftertreatment system at a number of reduced ammonia to NOx ratio (ANR) operating points. The method further includes determining a deNOx efficiency value corresponding to each of the ANR operating points. The method further includes determining a reductant correction value in response to the deNOx efficiency values corresponding to each of the ANR operating points, and providing a reductant injection command in response to the reductant correction value.

Swirl injector plunger

A fluid injector assembly extending along a longitudinal axis comprising a housing, and an injector positioned within the housing, the injector comprising a injector body having an interior cavity, a plunger positioned within the interior cavity and comprising a plunger body, a fluid delivery passage along at least a portion of the plunger body, and a plunger tip positioned at a downstream end of the plunger body, the fluid delivery passage comprising a longitudinal passage and at least one internal swirl passage, and the internal swirl passage being angled relative to the longitudinal axis and extending from the longitudinal passage to an opening upstream of the plunger tip, and a nozzle positioned at a downstream end of the injector body and including at least one nozzle passage, fluid being delivered from an upstream end of the injector to the at least one nozzle passage through the fluid delivery passage.

Control of aftertreatment regeneration in a hybrid powered vehicle

A method for controlling aftertreatment regeneration for a system having a hybrid powertrain is described. The method includes determining that an engine aftertreatment regeneration is indicated when a regeneration request index exceeds a first threshold. The method includes determining an acceptable battery usage amount based on a current battery state of charge (SOC) and a minimum battery SOC. The method further includes determining a battery usage amount for an engine aftertreatment regeneration operation. The method includes initiating an engine aftertreatment regeneration when the battery usage amount is less than or equal to the acceptable battery usage amount.

System and method for a captive sprocket in an engine

The present disclosure provides a captive sprocket system for an engine, comprising: a sprocket including a first sprocket gear, a second sprocket gear and a retaining disc having a diameter and a thickness; a cylinder block having a bore with a central opening and a plurality of threaded bosses, the plurality of threaded bosses together forming an axial support surface and a radial location surface, the axial support surface and the radial location surface being sized to receive the retaining disc of the sprocket to support and locate the sprocket; and a plurality of captivation screws configured to be received by the plurality of threaded bosses, each captivation screw having a head with a lower surface which, when the captivation screw is received by a threaded boss, overlies the retaining disc and retains the sprocket in the bore.

Reference value engine control systems and methods

Methods and apparatuses for calibration and control of various engine subsystems using a target value approach. Under the target value approach, the control of each engine subsystem is separated or decoupled to include a set of target values, or a reference value set. A subsystem has a corresponding target determiner, which provides a target value set, or reference value set, in response to a basis variable set and optionally an overall subsystem target. The basis variable set includes parameters selected to robustly characterize the variables that affect the operation of the particular subsystem. The target determiner is optionally calibrated to provide a reference value set within specifications of the subsystem. A physical subsystem controller operates in response to the reference value set.

SYSTEMS AND METHODS FOR AVOIDING STRUCTURAL FAILURE RESULTING FROM HOT HIGH CYCLES USING A CYLINDER HEAD COOLING ARRANGEMENT

A system for cooling a cylinder head includes a cylinder head, a cylinder block, and a waste heat recovery system. The cylinder head includes a first water jacket and a second water jacket. The cylinder block is coupled to the cylinder head. The cylinder block includes a third water jacket. The first water jacket is coupled to a first cooling circuit. The second water jacket is coupled to a second cooling circuit. The third water jacket is coupled to a third cooling circuit. The waste heat recovery system is coupled to at least one of the first cooling circuit, the second cooling circuit, and the third cooling circuit.

HIGH PRESSURE COMMON RAIL FUEL PUMP OUTLET CHECK VALVE SPRING RETAINER METHOD

The present disclosure generally relates to a pumping element of a fuel pump for an internal combustion engine wherein the pumping element comprises a first flow chamber; a second flow chamber in fluid connection with the first flow chamber, the second flow chamber including a shoulder; a check valve including a first insert and a second insert, the first insert being movable between a first position wherein the first insert forms a seal that inhibits fluid flow between the first and second flow chambers and a second position wherein the first insert permits fluid flow between the first and second flow chambers, the second insert being inserted into the second flow chamber to an extent limited by the shoulder; and a spring having a first end engaging the first insert and a second end engaging the second insert; wherein the first insert moves from the first position to the second position against a biasing force of the spring in response to pressurized fluid in the first flow chamber.

Two plane accessory mounting with sliding pilot interface

System and methods mount an accessory to an engine block having a pilot bore aligned with a first plane and sealing surfaces aligned to a second plane different than the first plane. The accessory includes a sliding pilot for interfacing with the pilot bore that is capable of sliding in an “x” direction yet fixed in a “y” direction with respect to the accessory housing. Interfacing the sliding pilot in a mounting position with the pilot bore along a “z” direction locates the accessory with respect to the engine block in the “y” and “z” directions. Fastening the accessory to the sealing surfaces of the engine block locates the accessory in the “x” direction with sufficient precision to mitigate gear backlashing and providing one or more fluid seals between the accessory and the engine block.

Fuel pump timing to reduce noise

One embodiment is a fuel system for an internal combustion engine including a fuel pump having a fuel pump gear operable to drive the fuel pump to pressurize fuel. The fuel pump gear is offset relative to engine top dead center by a predetermined angle to reduce a sound or noise. The offset can be determined by selecting the minimum sound produced over a range of offsets or operating conditions.

Variable pressure fuel injection system with dual flow rate injector

A variable pressure fuel injection system and multi-flow rate injector is provided which produces multiple fuel injection flow rates from a common source of pressurized fuel to enable reductions in emissions, combustion noise and particulates while improving fuel consumption. The present invention includes inner and outer needle valve elements biased into respective closed positions against respective valve seats for controlling the flow through corresponding sets of injection orifices. The movement of each valve is controlled by an injection control valve controlling the drain flow of control fuel from respective control volumes positioned at outer ends of the valve elements. Valve element bias spring preloads along with control flow orifices and needle valve element surface areas are selected to cause, for example, single valve operation at low fuel supply pressure and dual valve operation at high supply pressure.

INCREASE AFTERTREATMENT TEMPERATURE DURING LIGHT LOAD OPERATION

A method includes: receiving an inlet temperature of a selective catalytic reduction system; comparing the inlet temperature to a temperature setpoint; and adjusting at least one of a first exhaust manifold pressure setpoint for a first cylinder bank of an engine or a second exhaust manifold pressure setpoint for a second cylinder bank of the engine, based on the comparison.

INDUKTIONSGEHÄRTETER MIKROLEGIERTER STAHL MIT VERBESSERTEN ERMÜDUNGSBESTÄNDIGKEITSEIGENSCHAFTEN

Kraftstoffeinspritzventil mit Steuerung der Einspritzmenge

REGELUNG EINER VERBRENNUNGSKRAFTMASCHINE MIT KOMPRESSIONSZÜNDUNG UND KRAFTSTOFF-LUFTVORMISCHUNG

Method of controlling the exhaust gas temperature for after-treatment systems on a diesel engine using a variable geometry turbine

Methods of diagnosing fuel injection system error

Clean system of fuel injector

The utility model provides a clean system of fuel injector which is including the clean casing of the sprayer that limits the chamber of constructing into admittance fuel injector. The heater, it operationally couples the casing. The three -way valve, it includes that the fluid links the first entry of calibration fluid accumulator and the the second entrance that fluid ground links the cleaning fluid accumulator. The input pipeline, it includes that fluid ground links the first end of the export of valve and constructs into the second end that fluid ground links fuel injector's fuel entry. The controller, it operationally couples in heater and the valve each. The actuator disk valve is constructed into to this controller to make cleaning fluid flow to fuel injector. This heater is operated with heating cleaning fluid. This valve is by the actuator disk so that calibration fluid flow to fuel injector. Compare with current system, discover the utility model discloses a clean system of fuel ...

Needle controlled fuel injector with two control valves

An improved fuel injector is provided which effectively controls fuel injection events using two injection control valves which operate in series to control the movement of a nozzle valve element. An outer injection control valve and actuator assembly operates to control fluid pressure in a control volume adjacent an inner injection control valve thereby controlling the movement of the inner control valve which, in turn, controls fuel pressure in an inner control volume adjacent one end of the nozzle valve element. A particular design of the inner injection control valve prevents control valve oscillations thereby minimizing unwanted fuel injection variations.

Controls for performance optimization of internal combustion engine systems

One illustrative embodiment is a method comprising operating an engine and an aftertreatment system by controlling a plurality of charge constituents provided the engine, iteratively perturbating one or more combustion inputs effective to vary operation of the engine, and determining fuel consumption and emissions information at the operating points effective to seek a weighted optimization of multiple parameters including fuel consumption and reductant consumption while also meeting a predetermined NOx emissions criterion. Further embodiments, forms, objects, features, advantages, aspects, and benefits shall become apparent from the description and figures.

Common rail multi-cylinder fuel pump with independent pumping plunger extension

A fuel pump for an internal combustion engine is provided comprising a barrel including a central bore having a longitudinal axis, a plunger disposed partially in the central bore and movable along the longitudinal axis, a spring retainer, a first coil spring having a proximal end in contact with a first section of the barrel and a distal end in contact with the spring retainer to urge the spring retainer into engagement with a tappet assembly, an extender element coupled to the plunger, and a second coil spring having a proximal end in contact with a second section of the barrel and a distal end in contact with the extender element to urge the plunger toward the spring retainer, wherein the extender element includes a counter-bore to couple the extender element to the plunger.

Main bearing cap stud configuration and assembly method

The present disclosure provides a stud assembly insertable throughout a base block. The stud assembly includes a retention ring to engage with the base block and provide ease in assembly of the bearing cap stud assembly in an engine configuration without compromising load carrying characteristics of the design.

Jointed stall bar attachment

A torque transfer device is provided to transfer torque from a torque tool to a torque limiter device, the torque transfer device comprising a torque limiter connection member adapted for connection to the torque limiter device; a first joint; a second joint; and a tool connection member adapted for connection to the torque tool, wherein the first joint and the second joint are configured to lock responsive to activation of the torque tool to transfer a reaction torque generated by the torque tool to the torque limiter device, and wherein the first joint and the second joint are configured to unlock responsive to deactivation of the torque tool to enable rotation between the torque tool and the torque limiter device along a first axis and a second axis different from the first axis.

Method and system for optimizing fuel and reductant consumption

An operation mode of an engine and after-treatment system is determined based on a reductant-to-fuel cost ratio. The operation mode optimizes fuel consumption and reductant consumption in an engine system including an internal combustion engine and a selective catalytic reduction (SCR) catalyst while satisfying a target emissions emission level.

System and apparatus for enhancing exhaust aftertreatment startup emissions control

An aftertreatment system including a method which provides a selective catalytic reduction (SCR) catalyst disposed in an exhaust stream of an engine; determines that an ammonia pre-load condition for the SCR catalyst is present; determines a first amount of ammonia pre-load in response to the ammonia pre-load condition; injects an amount of ammonia or urea into the exhaust stream in response to the first amount of ammonia; and adsorbs a second amount of ammonia onto the SCR catalyst in response to injecting an amount of ammonia or urea, where the second amount of ammonia is either the injected amount of ammonia or an amount of ammonia resulting from hydrolysis from the injected amount of urea.

CROSSFLOW PNA-SCR AFTERTREATMENT DEVICE

An exhaust aftertreatment device includes a housing defining an inlet and an outlet. A plurality of first substrate layers are positioned within the housing in fluid receiving communication with the inlet. The plurality of first substrate layers define a first flow direction, and the plurality of first substrate layers comprise a passive NOx adsorber washcoat. A plurality of second substrate layers are positioned within the housing with the first and second substrate layers being layered in alternating order. The plurality of second substrate layers define a second flow direction perpendicular to the first flow direction, and the plurality of second substrate layers comprise a selective catalytic reduction washcoat. A connecting passage is in fluid receiving communication with the plurality of first substrate layers and in fluid providing communication with the plurality of second substrate layers.

FUEL INJECTOR WITH INJECTION CONTROL VALVE CARTRIDGE

A fuel injector that includes an injector control valve assembly. The injector control valve assembly includes a contact spring positioned between a fuel injector upper body and the injector control valve assembly to isolate a stator housing from clamping forces that occur during fuel injector assembly and clamping in an internal combustion engine. The injector control valve assembly further includes a cartridge configuration that permits preassembly of the injector control valve assembly prior to mounting in the fuel injector. 1. A fuel injector for injecting fuel at high pressure into a combustion chamber of an internal combustion engine , comprising:an injector body including a longitudinal axis, an upper body portion, a lower body portion, a fuel delivery circuit, and an injector orifice to discharge fuel from the fuel delivery circuit into the combustion chamber; andan injection control valve assembly including a valve housing positioned along the longitudinal axis in compressive abutment between the upper body portion and the lower body portion to create a force load on the valve housing, the injection control valve assembly further including a control valve member positioned in the valve housing to move between a first position and a second position, and an actuator positioned in the valve housing and adapted to cause movement of the control valve member between the first and the second positions, the actuator including a stator housing positioned in the valve housing, and a stator positioned in the stator housing, the injection control valve assembly further including a contact spring positioned longitudinally between the stator housing and the upper body portion to impart a spring load to the stator housing.2. The injector of claim 1 , the injection control valve assembly further including a cover plate positioned longitudinally between the upper body portion and the valve housing claim 1 , the contact spring being positioned longitudinally between the ...

Vorrichtung, System und Verfahren zur Verhinderung von Turbolader-Überdrehzahlen in einer Brennkraftmaschine

Verfahren zur Verhinderung einer Überdrehzahl eines Turboladers, wobei das Verfahren umfasst: Ermitteln eines Turboladerdrehzahl-Fehlerterms (εTS); Ermitteln einer Turbolader-Drehzahlableitung bezüglich der Zeit (δTS/δt); Berechnen einer Turbolader-Regelreaktion bzw. eines Turbolader-Regelverhaltens auf Basis des εTS und des δTS/δt; und Regeln eines Turboladers auf Basis der Turbolader-Regelreaktion bzw. des Turbolader-Regelverhaltens.

SYSTEM UND VERFAHREN ZUR MESSUNG DER KRAFTSTOFFEINSPRITZUNG BEI LAUFENDEM PUMPENBETRIEB

Offenbart wird ein Verfahren zur Steuerung des Betriebs eines Kraftstoffinjektors in Reaktion auf eine Messung einer Kraftstoffmenge, die bei laufendem Betrieb einer den Speicher mit Kraftstoff versorgenden Kraftstoffpumpe durch den Kraftstoffinjektor von einem Kraftstoffspeicher in einen Motorzylinder eingespritzt wird, umfassend: die Bestimmung eines mittleren Drucks des Kraftstoffspeichers während eines ersten Zeitraums vor einem Kraftstoff-Einspritzvorgang; das Vorhersagen einer Kraftstoffmasse (Qpump), die bei einem Pumpvorgang dem Kraftstoffspeicher zugeführt wird; die Bestimmung eines mittleren Drucks des Kraftstoffspeichers während eines zweiten Zeitraums nach dem Kraftstoff-Einspritzvorgang; die Schätzung einer Kraftstoffleckage; die Berechnung der eingespritzten Kraftstoffmenge, indem der mittlere Druck während des ersten Zeitraums zu Qpump addiert wird und der mittlere Druck während des zweiten Zeitraums und die Leckage abgezogen werden; und die Verwendung der berechneten eingespritzten ...

Partikelfilterdiagnose

Durch die vorliegende Erfindung wird ein System bereitgestellt, das einen Verbrennungsmotor, der einen Abgasstrom erzeugt, eine Partikelfiltereinrichtung, die den Abgasstrom behandelt, einen stromabwärts der Partikelfiltereinrichtung mit dem Abgasstrom betrieblich gekoppelten Partikelsensor und einen mit dem Abgasstrom betrieblich gekoppelten Temperatursensor aufweist. Das System weist einen Controller auf, der eine Partikelstabilitätsbedingung des Partikelsensors auswertet, einen Partikelsensoreingangswert und eine Partikelsensortemperatur auswertet, den Partikelsensoreingangswert in Antwort auf die Partikelsensortemperatur korrigiert und den korrigierten Partikelsensoreingangswert filtert. Der Controller bestimmt einen Rußansammlungswert in Antwort auf den gefilterten, korrigierten Partikelsensoreingangswert, wertet eine Diagnosefreigabebedingung aus und bestimmt einen Partikelfilterdiagnosewert in Antwort auf die aktive Diagnosefreigabebedingung und den Rußansammlungswert. Der Controller ...

ZÜNDKERZENKONFIGURATIONEN FÜR EINE VORBRENNKAMMER EINER BRENNKRAFTMASCHINE

Es werden Zündkerzen offenbart, die Elektrodenanordnungen beinhalten, um die Ladeströmung in und aus dem Ringvolumen um den Isolatorfuß und ein Vorkammervolumen einer Vorkammervorrichtung zu verbessern, wodurch ein Ausstoß von Abgasen, die in dem Ringvolumen eingeschlossen sind, in einen Raum geleitet wird, der durch das Äußere des Zündkerzenkörpers und das Innere der Vorkammervorrichtung gebildet wird.

Motor mit Kompressionszündung von Vorgemisch und Betriebsverfahren

Verbrennungsmotor (10), der in einem Modus der Kompressionszündung einer vorgemischten Ladung oder eines Vorgemischs bei einer Motordrehzahl und einem Motordrehmoment, die einer Motorleistung entsprechen, betreibbar ist, aufweisend: einen Motorkörper (12); eine Brennkammer (16), die im Motorkörper (12) gebildet ist; ein Lufteinlaßsystem (18) zur Zuführung von Ansaugluft zur Brennkammer (16); ein Kraftstoffzufuhrsystem (60), das am oder auf dem Motorkörper (12) angebracht ist, zur Versorgung des Lufteinlaßsystems (18) und/oder der Brennkammer (16), wobei der Zufuhrkraftstoff und die Ansaugluft eine vorgemischte Ladung oder ein Vorgemisch bilden; und ein Steuersystem (54), das angepaßt ist, um das Motordrehmoment und die Motordrehzahl anzupassen, wenn der Motor (10) im Kompressionszündmodus mit vorgemischter Ladung oder Vorgemisch arbeitet, um den Zeitpunkt des Beginns der Verbrennung des Vorgemischs zu variieren, während eine Soll- oder bestimmte Motorleistung geliefert wird.

Device and method for integrated annular low pressure gaseous fuel introduction

A gaseous fuel introducer comprising a first mounting surface shaped and located to couple to a first wall of a charger; a first input, the first input being an air input; a second input, the second input being a gaseous fuel input; and a charge output. The charge output supplies a fuel-containing charge to an input of the charger. The introducer has a first mounting position that defines a first orientation of the second input relative to the charger. The introducer also has a second mounting position that defines a second orientation of the second input relative to the charger that is different than the first orientation.

Turbocharger with flexible installation

One embodiment is an apparatus including a bearing housing mechanically coupled to a compressor housing on a first side and to a turbine housing on a second side. The compressor housing has a compressor outlet and the turbine housing has a fluid outlet. A first flow path fluidly connects the compressor outlet to a first circumferential channel formed between the bearing housing and the compressor housing. A fifth flow path fluidly connects the fluid outlet to a second circumferential channel formed between the bearing housing and the turbine housing. A third fluid flow path fluidly connects the first circumferential channel to the second circumferential channel. The apparatus further includes a fluid conduit that fluidly connects the fluid outlet to an actuator.

Engine intake air temperature management system

A system for managing engine intake air temperature may comprise a first air flow control device having an inlet coupled to an outlet of a turbocharger compressor and a first outlet coupled to an inlet of a charge air cooler. A second outlet is coupled via a bypass conduit to the air intake manifold. The first air flow control device may selectively control air flow from the compressor outlet to the charge air cooler and/or bypass conduit. The system may alternatively or additionally include a second air flow control device having a first inlet receiving air external to the engine compartment, a second inlet receiving air from within the engine compartment and surrounding the engine and an outlet providing air flow to the engine. The second air flow control device may selectively control air flow from the first and/or second inlets thereof to the engine.

FUEL INJECTOR CLEANING SYSTEM, FLUID, AND METHOD

A fuel injector cleaning system includes an injector cleaning housing that defines a cavity structured to receive a fuel injector. A heater is operatively coupled to the housing. A three-way valve includes a first inlet fluidly coupled to a calibration fluid reservoir, and a second inlet fluidly coupled to a cleaning fluid reservoir. An intake line includes a first end fluidly coupled to an outlet of the valve, and a second end structured to be fluidly coupled to a fuel inlet of the fuel injector. A controller is operatively coupled to each of the heater and the valve. The controller is structured to actuate the valve so as to cause flow of a cleaning fluid to the fuel injector. The heater is operated so as to heat the cleaning fluid. The valve is actuated so as to cause flow of a calibration fluid to the fuel injector.

Thermal management for regenerating an aftertreatment device

A system and method for regeneration of an aftertreatment component are described. The disclosed method can employ any one or combination of operating modes that obtain a target condition of the exhaust gas to support or initiate regeneration of the aftertreatment device.

System and method of performing a range estimation for hybrid and electric vehicles

A system is provided for performing an automated range estimation process for an electric vehicle using a processor. Included in the system is a range estimator configured to estimate an initial value of an energy required to travel a unit distance for the electric vehicle. The range estimator generates a first estimation model based on a correlation between a maximum all-electric-range and the energy required to travel a unit distance. Then, the first estimation model is adjusted based on one or more predetermined driving conditions. The maximum all-electric-range of the electric vehicle is updated based on the adjusted first estimation model. An estimated range of the electric vehicle is calculated based on the updated maximum all-electric-range of the electric vehicle and a fraction of total energy capability remaining in the electric vehicle. The estimated range of the electric vehicle is outputted and is used to control the electric vehicle.

Fuel cell vehicle to refuel another vehicle

A system for a fuel cell vehicle includes a providing fuel cell fuel port, a fuel cell fuel storage tank, a fuel cell fuel flowmeter, and a pressure regulator. The fuel cell fuel storage tank is fluidically coupled to the providing fuel cell fuel port. The fuel cell fuel flowmeter is coupled between the fuel cell fuel port and the fuel cell fuel storage tank and is configured to measure flow of fuel cell fuel from the fuel cell fuel storage tank to the providing fuel cell fuel port. The pressure regulator is coupled between the fuel cell fuel flowmeter and the fuel cell fuel storage tank and is configured to control pressure of fuel cell fuel flowing from the fuel cell fuel storage tank to the providing fuel cell fuel port.

Vorrichtung, System und Verfahren zur Verbesserung der Flüssigkeitsfiltration für kleine Partikel

Vorrichtung zum Herausfiltern von Partikeln aus einem Fluid, wobei die Vorrichtung folgende Merkmale aufweist: zumindest einen Filter, der konfiguriert ist, um Partikel aus einem Fluidstrom herauszufiltern; eine Schwingungsquelle, wobei der zumindest eine Filter mit der Schwingungsquelle gekoppelt ist; und zumindest einen Schwingungsdämpfer, der zwischen der Schwingungsquelle und dem zumindest einen Filter angeordnet ist.

Emissionsverringerungen durch mehrfache Kraftstoffeinspritzvorgänge

Als Antwort auf ein Bestimmen eines Motorlastniveaus, das kleiner als 40% eines maximalen Motorlastniveaus ist, werden mehrfache Kraftstoffeinspritzungen ausgeführt, einschließlich eines ersten Kraftstoffeinspritzvorgangs mit weniger als 25 einer Verbrennungskraftstoffmenge, wobei der erste Kraftstoffeinspritzvorgang vor 10 Grad nach einem oberen Totpunkt (OT) stattfindet, eines zweiten Kraftstoffeinspritzvorgangs umfassend zwischen 15% und 65% der Verbrennungskraftstoffmenge, wobei der zweite Kraftstoffeinspritzvorgang nach 10 Grad nach OT stattfindet, und eines dritten Kraftstoffeinspritzvorgangs umfassend zwischen 10 und 85% der Verbrennungskraftstoffmenge, wobei der dritte Kraftstoffeinspritzvorgang vor 63 Grad nach OT stattfindet.

Kompressoreintrittmischersystem

Ein Kompressoreintrittmischersystem für Verbrennungsgasmotoren mit einem komprimierten Füllungsbeipasssystem umfasst einen Bypassfüllungs- und Kraftstoffvormischer, der passend zu dem Füllungsbypasssystem angeschlossen ist, um das Druckgefälle zwischen der mit hohem Druck vorliegenden Bypassfüllung und dem bei geringem Druck vorliegenden Kraftstoff zu reduzieren. Ein einzelner Volumenhauptmischer ist an den Kompressoreinlass stromabwärts des Vormischers angeschlossen, um den Fluss aus vorgemischter Füllung und Luft zu mischen und ein Mischgas für den Kompressoreinlass bereitzustellen. Folglich wird die Notwendigkeit eines separaten Volumens für einen Kraftstoffmischer und einen Bypassmischer eliminiert und ein einzelnes Volumen am Kompressoreinlass bereitgestellt. Die Positionseinschränkung zum notwendigen Positionieren der Volumen am Kompressoreinlass wird durch Bereitstellen eines Vormischers ebenfalls umgangen.

ABWÄRMERÜCKGEWINNUNGSANTRIEB

Eine Ausführungsform betrifft ein Antriebssystem zur Wärmerückgewinnung. Das Abwärmerückgewinnungsantriebssystem umfasst ein Abwärmerückgewinnungssystem, welches einen Wärmetauscher umfasst, der mit einem Motor wirksam gekoppelt ist, um Wärmeenergie vom Motor aufzunehmen und die Wärmeenergie auf ein Arbeitsfluid zu übertragen. Ein Expander ist strömungstechnisch mit dem Wärmetauscher verbunden, um das Arbeitsfluid vom Wärmetauscher aufzunehmen. Der Expander ist dazu gestaltet, die Wärmeenergie aus dem Arbeitsfluid in mechanische Energie umzuwandeln. Ein Getriebe ist wirksam mit dem Expander gekoppelt. Ein Frontmotorhilfsantrieb umfasst einen Riemenantrieb, der das Getriebe mit einer Kurbelwelle des Motors wirksam koppelt, um die mechanische Energie des Getriebes auf die Kurbelwelle zu übertragen. Ein Einheitsbauteil umfasst den Frontmotorzusatzantrieb, das Getriebe und den Expander, und das Einheitsbauteil ist als eine einheitliche Komponente vom Motor abnehmbar.

Fuel injector with variable spray

A fuel injector is provided that creates variable spray characteristics to effectively reduce emissions, such as NOx emissions and particulate matter. The injector includes a nozzle valve element of the outwardly opening type including a fuel delivery passage and spray holes. The nozzle valve element is operable to move to a low lift position to cause fuel flowing from the spray holes to impinge on the injector body and to deflect toward the combustion chamber, and to move to a high lift position to cause fuel flowing from the spray holes to avoid impingement on injector body and flow in an obstructed manner directly into the combustion chamber. An annular chamber may be formed in the nozzle valve element adjacent the spray holes to receive fuel.

Fan cooled ignition coil method and apparatus

This disclosure provides an ignition coil for a spark ignited internal combustion engine. The ignition coil includes a coil body having an outer surface and internal windings coupled to a connector. The ignition coil also includes a housing surrounding the coil body. The housing has an outer wall spaced apart from the outer surface of the coil body thereby forming a gap between the outer surface of the coil body and the outer wall. The outer wall includes an opening in flow communication with the gap.

SYSTEM AND METHOD FOR ESTIMATING HIGH-PRESSURE FUEL LEAKAGE IN A COMMON RAIL FUEL SYSTEM

A system and method for measuring fuel pressure decreases in a fuel accumulator of an internal combustion engine is provided. The system includes the ability to stop a fuel flow to a fuel accumulator of the engine. Pressure signals are transmitted to a control system of the engine until the fuel pressure in the fuel accumulator drops by a predetermined amount, at which time fuel flow is re-enabled. The pressure signals are then analyzed to determine the amount or quantity of fuel delivered by each fuel injector. The system and method maintain engine and emissions performance by limiting the amount of fuel pressure decrease in the fuel accumulator.

Systems and methods for reducing the oil volume and windage in fuel pumps

Systems and methods including spacers comprising a first face configured to engage with a cam shaft, a second face, and a third face operationally coupled to the first face and the second face, wherein the third face is configured to displace a lubricating fluid and permit rotation of the cam shaft are disclosed.

Optical sensing in an adverse environment

A system capable of flowing gases including combustion byproducts past an exposed face of an optical element in an engine fluid conduit, and depositing debris on the exposed face of the optical element. The debris may be soot, unburned hydrocarbons, sulfates, and/or a reductant precipitate. The system is further capable of passing electromagnetic (EM) radiation through the optical element and the flowing gases and interrogating the EM radiation after passing through the optical element and the flowing gases to determine an amount of debris accumulated on the exposed face of the optical element. The system is further capable of heating an electric heating element thermally coupled to the optical element sufficiently to remove accumulated debris from the exposed face in response to the amount of debris exceeding a threshold.

Cylinder head

Fluid manifold connector and fluid manifold assembly

The high-pressure fluid manifold connection assembly includes a one-piece tube collar with an annular relief cavity that surrounds a high-pressure fluid tube. The tube includes a hole that passes through the tube and which is not aligned with an exit hole in an annular relief cavity of the tube collar.

Battery connection and monitoring

An electrical coupler for coupling a load to a plurality of power sources including positive and negative load connection points. These connection points include first and second positive power connection points and first and second negative power connection points. A first electrical path is provided between the positive load connection point and the first positive power connection point. A second electrical path is provided between the positive load connection point and the second positive power connection point. The second electrical path is the same length as the first electrical path. A third electrical path is provided between the negative load connection point and the first negative power connection point. A fourth electrical path is provided between the negative load connection point and the second negative power connection point. The fourth electrical path is the same length as the third electrical path.

Differential NH3 and NOX measurement using an exhaust gas sensor coupled with a micro SCR catalyst

Systems and methods are disclosed that include an exhaust gas stream produced by an engine and an aftertreatment system including an SCR catalyst element receiving at least a portion of the exhaust gas stream. An exhaust outlet flow path has an inlet fluidly coupled to the exhaust gas stream at a position downstream of at least a portion of the SCR catalyst element that bypasses at least a portion of exhaust gas stream to provide for compositional measurement of the exhaust gas with a compositional sensor located downstream of a diagnostic catalyst positioned in the exhaust outlet flow path.

System and method for fuel injector on-time calculation using fuel system pressure prediction

The disclosure provides a system and method to calculate an actual on-time of a fuel injector. The system may include one or more modules located in a control system. The control system uses information available before the fuel injection signal is transmitted to the fuel injector to model and predict a pressure profile in a fuel system that provides high-pressure fuel to the fuel injector, and uses that information along with a fueling command to calculate an actual on-time for the fuel injector.

Systems and methods to utilize water output of fuel cell systems for evaporative cooling of radiators

The present disclosure generally relates to systems and methods of using water output from a fuel cell system to aid in heat dissipation and evaporative cooling of radiators.

Method and system for improving sensor accuracy

A method and system for improving sensor accuracy of diesel emissions is disclosed. The method and system comprises changing the sensor reading as a function of sensor age to provide a more accurate measure of the diesel emissions. By estimating the degree of sensor error and then providing a gain correction factor as a function of sensor age, a more accurate measure of the diesel emissions is provided.

SILENCER SYSTEMS AND ASSEMBLIES

Silencer device and assemblies for connection to engines are disclosed. Exemplary silencer devices for connection to an air compressor inlet tube may include at least a first quarter wave silencer and a second quarter wave silencer, and a tube assembly comprising a first landing and a second landing, wherein the first quarter wave silencer extends from the first landing and the second quarter wave silencer extends from the second landing.

Motion sensor for high pressure fluid delivery device

A novel and improved motion sensor for high pressure fluid delivery devices is provided which effectively senses movement of a component in a high pressure environment while minimizing the likelihood of fluid leakage through a receiving cavity containing at least a portion of the sensor. The motion sensor includes a sealing surface shaped and positioned relative to a force resisting surface formed on an annular cavity surface of the receiving cavity so as to apply a fluid, e.g. fuel, pressure induced sealing force against the force resisting surface due to the high pressure fluid forces acting on the sensor body. The sealing surface may be conically shaped for contacting a complementary conically shaped force resisting surface and/or the sealing surface may extend perpendicular to the direction of the fluid forces acting on the sensor body for abutment against a complementary positioned annular land containing the force resisting surface.

Engine system for emission reduction without aftertreatment

An engine system comprising an internal combustion engine and a turbocharger, where a diameter of the at least one intake valve is greater than a diameter of the at least one exhaust valve, the salient angle of the piston bowl is at least 10 degrees, the ratio between the piston bowl opening diameter and the piston bowl depth is approximately 0.5 to 2.0, the intake valve opens before top dead center on an exhaust stroke of the internal combustion engine and closes before bottom dead center of an intake stroke of the internal combustion engine, and the turbocharger has a combined efficiency of more than 50%.

MODULAR AND SCALABLE RAIL FUEL SYSTEM ARCHITECTURE

A connector block that directs fuel from an outer fuel line to an inner fuel line. The connector block includes an inlet that couples to the outer fuel line, an outlet that coupled to the inner fuel line, and a fuel accumulator fluidly coupled to the inlet and the outlet. The fuel accumulator directs the fuel from the inlet to the outlet.

MULTIPLE HEATER EXHAUST AFTERTREATMENT SYSTEM ARCHITECTURE AND METHODS OF CONTROL THEREOF

A system includes a first heater positioned in or proximate to an exhaust aftertreatment system in exhaust gas-receiving communication with an engine, a second heater positioned downstream of the first heater, and a controller coupled to the first and second heaters. The controller is structured to: determine, based on information indicative of a temperature regarding the exhaust aftertreatment system, that the temperature regarding the exhaust aftertreatment system is below a predefined temperature threshold; determine that the second heater is in or likely in an error state; and control a temperature regarding the exhaust aftertreatment system using the first heater in response to determining that the second heater is in or likely in the error state, wherein the first heater controls the temperature regarding the exhaust aftertreatment system after a temperature regarding an engine intake air is at or above a predefined air intake temperature threshold.

Antriebsstrangkühlsystem für ein Hybridfahrzeug

Einige exemplarische Ausführungsformen umfassen ein Kühlsystem für ein Hybridfahrzeug, mit: einem geschlossenen Kühlmittelkreislauf mit einem Ventil, das dazu betreibbar ist, einem Verbrennungsmotor oder einem Verbrennungsmotorbypass einen Kühlmittelstrom zuzuführen, einem Thermostat, der dazu betreibbar ist, einen Kühlmittelstrom vom Verbrennungsmotor oder von dem Verbrennungsmotorbypass einem Kühler oder einem Kühlerbypass zuzuführen, mehreren Hybridantriebsstrangkomponenten, die parallel angeordnet sind, um einen Kühlmittelstrom vom Kühler oder von dem Kühlerbypass zu empfangen, einer mechanisch angetriebenen Kühlmittelpumpe, die dazu betreibbar ist, Kühlmittel durch den geschlossenen Kühlmittelkreislauf zu pumpen, und einer elektrisch angetriebenen Kühlmittelpumpe, die dazu betreibbar ist, Kühlmittel durch den geschlossenen Kühlmittelkreislauf zu pumpen. Weitere exemplarische Ausführungsformen umfassen Verfahren zum Betreiben und/oder Steuern von Kühlsystemen für Hybridfahrzeuge.

Zylinderdeaktivierung zur Katalysatortrocknung

Ein Motorsteuersystem und ein Verfahren zum Steuern eines Motorsystems werden bereitgestellt. Das Motorsteuersystem beinhaltet mindestens ein Sensormodul, das so gestaltet ist, dass es auf Basis einer festgestellten Eigenschaft in einer Abgaskomponente ein Abgaseigenschaftssignal erzeugt, und ein Zylinderreihen-Steuermodul, das kommunikationsfähig mit dem mindestens einen Sensormodul verbunden ist. Das Zylinderreihen-Steuermodul ist so gestaltet, dass es zumindest zum Teil als Reaktion auf eine auf dem Abgaseigenschaftssignal basierende Feststellung, dass eine Kohlenwasserstoff-Gewichtsmenge oberhalb eines vorab festgelegten Schwellenwerts für die Kohlenwasserstoff-Gewichtsmenge liegt, bewirkt, dass ein erstes Reihensteuersignal versendet wird, um zu bewirken, dass eine erste Reihe von Zylindern in einem Motor deaktiviert wird.

Motorsteuerungen mit direkter Regelung des Zylinderinnen-[O2]

Es werden einzigartige Motorsteuerungen und sich darauf beziehende Vorrichtungen, Verfahren und Systeme offenbart. Eine Ausführungsform ist ein Verfahren, das ein Zylinderinnen-[O2]-Massenanteilmodell nutzt, um Referenzen für Anteile einer Abgasrückführung (AGR) unter sowohl transienten als auch stationären Betriebsbedingungen zu erzeugen. Weitere Ausführungsformen, Formen, Aufgaben, Merkmale, Vorteile, Aspekte und Nutzen erschließen sich aus der folgenden Beschreibung und den Zeichnungen.

Apparatus for assisiting exhaust gas recirculation in a diesel engine

INJECTOR PERFORMANCE TEST

A method for testing a fuel injector including providing an engine with a common rail fuel injection system having one or more fuel injectors; operating the engine at a selected set of operating conditions; conducting a motoring event; allowing a first settling duration; measuring a first rail pressure; operating a first selected injector including operating the first selected injector singly in response to a selected fuel quantity, a selected number of combustion cycles, and a selected number of injections per combustion cycle; allowing a second settling duration; measuring a second rail pressure; calculating a pressure difference value in response to the first rail pressure and the second rail pressure; inferring an amount of fuel delivered by the first selected injector in response to the pressure difference value; and evaluating a first performance factor of the first selected injector in response to the amount of fuel delivered.

HEIRARCHICAL ENGINE CONTROL SYSTEMS AND METHODS

A system for control of an internal combustion system having subsystems, each with different response times. Subsystems may include a fuel system, an air handling system, and an aftertreatment system, each being operated in response to a set of reference values generated by a respective target determiner. Calibration of each subsystem may be performed independently. The fuel system is controlled at a first time constant. The air handling system is controlled on the order of a second time constant slower than the first time constant. The aftertreatment system is controlled on the order of a third time constant slower than the second time constant. A subsystem manager is optionally in operative communication with each target determiner to coordinate control. Generally, dynamic parameters from slower subsystems are treated as static parameters when determining reference values for controlling a faster subsystem.

Waste heat recovery vehicle cooling optimization

An engine cooling system comprises an engine cooling circuit, comprising a first pump structured to circulate engine coolant fluid therethrough. A remote coolant radiator positioned along the engine cooling circuit downstream of the engine and outside of a vehicle cooling package area is structured to transfer heat from the engine coolant fluid to air. A coolant heat exchanger is positioned along the engine cooling circuit in parallel to the remote coolant radiator. A waste heat recovery system comprises a working fluid circuit comprising a second pump. The coolant heat exchanger is positioned along the working fluid circuit and is structured to transfer heat from the engine coolant fluid to the working fluid. An expander is structured to convert energy from the heat transferred to the working fluid from the engine cooling fluid to mechanical energy. A condenser positioned downstream of the expander is structured to cool the working fluid.

Reductant injection rate shaping method for regeneration of aftertreatment systems

The invention provides methods for regenerating pollutant storage and catalytic components of an internal combustion engine's exhaust gas aftertreatment system. These methods include introducing reductant in to catalytic components requiring regeneration in series of discreet portions during a Scheduled Regeneration Event. Typically the flow of exhaust gas to the catalytic component undergoing regeneration is at least partially reduced.

EXHAUST GAS AFTERTREATMENT MODULE SUPPORT ASSEMBLY

An exhaust gas aftertreatment module support assembly for supporting an exhaust gas aftertreatment module above a cylinder head and a cylinder block of an internal combustion engine includes a first mounting bracket, a second mounting bracket, and a cradle assembly. The first mounting bracket is configured to be coupled to the cylinder block. The second mounting bracket is configured to be coupled to the cylinder block. The cradle assembly is selectively coupled to the first mounting bracket and the second mounting bracket. The cradle assembly includes a first cradle bracket and a second cradle bracket. The first cradle bracket has a first cradle bracket cradle surface that is configured to interface with the exhaust gas aftertreatment module.

Waste heat recovery integrated cooling module

Integrated cooling systems including a frame configured for mounting to a vehicle chassis in a path of ram air entering an engine compartment of a vehicle, a radiator connected to the frame in the ram air path, a waste heat recovery (WHR) condenser, a recouperator connected to the frame above a ram air path and coupled to the WHR condenser, and a coolant boiler connected to the frame below the ram air path and coupled to the radiator and recouperator are disclosed. Cooling systems configured for use in a WHR system, including an inlet header fixedly disposed on a first end of a condenser, the inlet header fluidly coupled to a heat exchanger to receive the working fluid, and a receiver fixedly disposed on a second end of the condenser opposite the first end, the receiver configured to receive the working fluid from the condenser are also disclosed.

Power cylinder apparatus for reducing unburnt hydrocarbon emissions

Internal combustion engine apparatuses, systems and methods. The internal combustion engine system includes a cylinder block including a cylinder bore and a piston movably positioned in the cylinder bore. The piston is configured to slide in an axial direction within the cylinder bore. The piston includes a piston crown and a turbulence induction protuberance extending in an axial direction from the piston crown. The turbulence induction protuberance is positioned radially intermediate an axial center of the piston and a circumferential portion of the piston. The turbulence induction protuberance is configured to cause turbulence in a propagating flame propagating from a central region of the cylinder bore to cause the propagating flame to extend to a circumferential portion of the cylinder bore.

Emissions reductions through multiple fuel injection events

A method is disclosed including operations to interpret an engine load level for a reciprocating piston internal combustion engine. In response to determining the engine load level is less than 40% of a maximum engine load level, the method further includes operations to performing a first fuel injection event including less than 25% of a combustion fuel amount, the first fuel injection event occurring before 10 degrees after top dead center (TDC), to perform a second fuel injection event including between 15% and 65% of the combustion fuel amount, the second fuel injection event occurring after 10 degrees after TDC, and to perform third fuel injection event comprising between 10% and 85% of the combustion fuel amount, the third fuel injection event occurring before 63 degrees after TDC.

PULSE INTERRUPT CONTROL MODE FOR CONFIGURABLE OUTPUT DRIVER ASIC

A method includes receiving a plurality of injection pulses; generating a plurality of drive signals in response to the plurality of injection pulses; generating an interrupt signal in response to the plurality injection pulses, the interrupt signal being one of a high interrupt signal and a low interrupt signal; and transitioning between a plurality of operating states in response to the interrupt signal.

NOx sensor based output disablement in response to exhaust system high frequency pressure pulsations

Systems, methods and apparatus are disclosed for disabling control of one or more outputs of an internal combustion engine system in response to an engine-out NOx sensor during a high frequency pressure pulsation associated with the exhaust gas at the engine-out NOx sensor. A high frequency pressure pulsation event may be determined in response to a pressure sensor measurement, or in response to operating parameters of one or more components of the system indicating high torque output conditions, and/or by a blade position of a turbine adjacent the NOx sensor indicating passage of the exhaust gas pressure pulsations to the NOx sensor.

FUEL PUMP

A fuel pump is disclosed wherein a substantially cylindrical plunger bore is provided with an annular drain groove fluidically coupled to a drain duct. A pump plunger is driven by a drive system located in a separate mechanical compartment that holds a reservoir of lubricating oil. An annular seal is provided adjacent the drain groove substantially at the end of the bore and retained in position by a seal support. Exemplary embodiments provide the drain groove and seal as being positioned immediately adjacent one another so that the seal forms a lower wall of the drain groove.

Interface and monitoring system and method for a vehicle idling control system

An idle control system for a vehicle is provided.

Piezoelectric actuator and valve assembly with thermal expansion compensation

A piezoelectric actuator assembly that is insensitive to wide variations in operating temperatures including a stack of piezoelectric devices and a surrounding housing assembly formed of an outer cylindrical housing portion formed of steel having a coefficient of thermal expansion above that of the piezoelectric material and an inner cylindrical housing portion formed of Si-Ni ceramic. By arranging the inner and outer housing portions in parallel and forming the housing portions with appropriate cross-sectional areas, the housing assembly will have an effective coefficient of thermal expansion alphae that is equivalent to that of the piezoelectric element alphap. In particular, if the material of the first housing portion has a modulus Em1 and an effective cross-sectional area Am1, and the material of the second housing portion has a modulus Em2 and an effective cross-sectional area Am2, the resultant effective coefficient of thermal expansion will be given by the following formula: ...

System and method for controlling fuel injection

The operation of a fuel injector for an internal combustion engine is controlled, wherein the fuel injector has an on time that includes a pull-in time during which injector current increases to a pull-in current followed by a hold time during which the injector current is limited to a hold current that is less than the pull-in current. A control circuit receives a pressure signal from a pressure sensor that corresponds to a pressure of fuel supplied to the fuel injector for injection into the engine, correlates the pressure signal with fuel pressure, and decreases the pull-in time with increasing fuel pressure.

Variable hole size nozzle and spray angle fuel injector and MHBIB

A fuel injector, comprising a nozzle body having a proximal end and a distal end, an upper row of nozzle holes being equally spaced about a first circumference of the nozzle body, and a lower row of nozzle holes located between the distal end and the upper row of nozzle holes, wherein the upper row has a first number of holes that is greater than a second number of holes in the lower row and wherein one of the first number of holes and the second number of holes is odd.

BED LEVEL SENSOR FOR SOLID BEDS WITH LEVELING ACTUATORS

A biochar production system includes a reactor body, a central rod disposed within the reactor body, a leveling arm extending from the central rod and configured to rotate about the central rod, and a bed level sensor system. The bed level sensor system includes a float configured to move from a resting position on a biomass in the reactor to an ending position upon contact with the leveling arm, and a level sensor coupled to the float via a connector. The level sensor is configured to correspondingly move with the float. A controller is configured to detect bed levels of the biomass within the reactor body, and determine a plurality of sample readings based on the detected bed levels.

Vorrichtung, System und Verfahren zur Minimierung von NO x in Abgasen

Vorrichtung, um Stickstoffoxide (NOx) in Verbrennungsabgasen zu minimieren, wobei die Vorrichtung aufweist: ein Ionisationsmodul, das ausgebildet ist, um zumindest teilweise Abgase eines Motors zu ionisieren; ein Charakterisationsmodul bzw. Bestimmungsmodul, das ausgebildet ist, um NOx-Ionen, die in dem ionisierten Abgas vorhanden sind, zu identifizieren bzw. zu bestimmen; und ein Motorsteuermodul, das ausgebildet ist, um mit dem Charakterisationsmodul bzw. Bestimmungsmodul zu kommunizieren und Motorparameter in Reaktion auf die bzw. in Abhängigkeit der identifizierten NOx-Werte bzw. Niveaus zu ändern.

Apparatus and method for regenerating an exhaust gas aftertreatment component of an internal combustion engine

Waste heat recovery power drive

One embodiment relates to a waste heat recovery power drive system. The waste heat recovery power drive system includes a waste heat recovery system, which includes a heat exchanger operatively coupled to an engine so as to receive heat energy from the engine and transfer the heat energy to a working fluid. An expander is fluidly coupled to the heat exchanger to receive the working fluid from the heat exchanger. The expander is structured to convert heat energy from the working fluid to mechanical energy. A gearbox is operatively coupled to the expander. A front engine accessory drive includes a belt drive operatively coupling the gearbox to a crankshaft of the engine so as to transfer the mechanical energy from the gearbox to the crankshaft. A unitary assembly includes the front engine accessory drive, the gearbox, and the expander, and the unitary assembly is removable from the engine as a unitary component.

Restrictive flow passage in common rail injectors

An injector has an injector body including an injector cavity defining an inner wall and a longitudinal axis, an injector orifice and a plunger slidably disposed within the injector cavity. The plunger has an outer portion and an inner portion at different locations longitudinally along the plunger. The inner portion has a plurality of surface portions including a guiding portion configured to substantially mate with the inner wall of the injector cavity, guide the plunger to slidably move in a direction along the longitudinal axis and substantially prevent the plunger from laterally translating within the injector cavity. The plurality of surface portions also includes a restriction portion configured to form a restrictive cavity between an exterior surface of the inner portion and the inner wall of the injector cavity axially along a length of the inner portion.

SYSTEMS AND METHODS FOR AFTERTREATMENT REGENERATION WITH DEDICATED EGR

Systems and methods for implementing regeneration of an aftertreatment component using exhaust gas recirculation is described. According to various embodiments, an engine system comprises an engine, a turbocharger, a fluid control valve, and a lean NOx catalyst. The engine has a first set cylinders fluidly coupled to an intake manifold and a second set of cylinders having fluidly isolated from the intake manifold of the engine. The fluid control valve is disposed between the first exhaust outlet and the exhaust conduit and is structured to selectively fluidly couple the first exhaust outlet to the exhaust conduit. Also, the lean NOx catalyst has an inlet structured to receive exhaust gases from the exhaust conduit at a position downstream of the turbine outlet and the fluid control valve.

FUEL INJECTOR WITH INJECTION CONTROL VALVE SPRING PRELOAD ADJUSTMENT DEVICE

A fuel injector including an injection control device valve spring preload adjustment device is disclosed. The fuel injector includes a transverse access passage extending at an acute angle to a longitudinal axis of the fuel injector. The preload adjustment device includes at least one transverse slot that creates a cantilevered thread portion. The cantilevered thread portion is deformed at a deformation angle to a plane perpendicular to the longitudinal axis to form a locking feature. 1. A fuel injector for injecting fuel at high pressure into a combustion chamber of an internal combustion engine , comprising:an injector body including a longitudinal axis, a barrel portion, a nozzle housing, a side surface, a fuel delivery circuit, and an injector orifice formed in the nozzle housing to discharge fuel from the fuel delivery circuit into the combustion chamber;an injection control valve assembly positioned along the longitudinal axis between the barrel portion and the nozzle housing, the injection control valve assembly including a control valve member adapted to move between a first position and a second position and an actuator adapted to cause movement of the control valve member between the first and the second positions, the actuator including a bias spring positioned to apply a bias force to the control valve member, and a spring preload adjustment device positioned adjacent one end of the bias spring to apply a preload force to the bias spring, the spring preload adjustment device including a proximal end face extending transversely to the longitudinal axis and a tool engagement feature formed in the proximal end face; andan access passage formed in the barrel portion and extending transversely to the longitudinal axis, the access passage including a proximal end opening at the side surface of the injector body and a distal end opening positioned adjacent the tool engagement feature at the proximal end face of the spring preload adjustment device, the access ...

SYSTEM, METHOD, AND APPARATUS FOR THERMAL MANAGEMENT WITH CHARGE AIR COOLER BYPASS

A system includes an internal combustion engine, an EGR flow path having an EGR cooler path and an EGR cooler bypass path, a turbocharger, a compressed intake flow path, an EGR bypass valve that selectively divides the EGR flow between the EGR cooler path and the EGR cooler bypass path, a charge air cooler bypass valve that reduces an amount of cooling of compressed intake air out of the compression side of the turbocharger, and an aftertreatment component that receives the exhaust stream from the turbine side of the turbocharger. The aftertreatment component requires at least intermittent exhaust stream temperature elevation. The system includes a controller that determines that an exhaust stream temperature elevation request is present, and provides a charge air cooler bypass valve command and an EGR bypass valve command in response to the exhaust stream temperature elevation request. 1. A system , comprising:an internal combustion engine receiving an intake stream from an intake manifold and delivering an exhaust stream to an exhaust manifold;an EGR flow path fluidly coupling the exhaust manifold to the intake manifold, the EGR flow path including an EGR cooler path and an EGR cooler bypass path;a turbocharger compressing intake air on a compression side and receiving work from the exhaust stream on a turbine side;a compressed intake flow path fluidly coupling the compression side of the turbocharger to the intake manifold;an EGR bypass valve structured to selectively divide the EGR flow between the EGR cooler path and the EGR cooler bypass path;a charge air cooler bypass valve structured to reduce an amount of cooling of compressed intake air out of the compression side of the turbocharger;an aftertreatment component receiving the exhaust stream from the turbine side of the turbocharger, the aftertreatment component requiring at least intermittent exhaust stream temperature elevation; anda controller structured to determine that an exhaust stream temperature ...

SKIP-FIRE ENGINE SYSTEM FEATURING DIFFERENT TYPES OF OIL CONTROL SOLENOIDS

A system for selectively activating and deactivating cylinders includes a first cylinder positioned in a cylinder block. A first intake or exhaust valve is coupled to the first cylinder and is actuated by a first coupling mechanism. A first oil control solenoid is coupled to the first coupling mechanism, the first oil control solenoid deactivates the first coupling mechanism to maintain the first intake or exhaust valve in a closed position. A second cylinder is positioned in the cylinder block, and a second intake or exhaust valve is coupled to the second cylinder. The second intake or exhaust valve is actuated by a second coupling mechanism. A second oil control solenoid is coupled to the second coupling mechanism, the second oil control solenoid deactivates the second coupling mechanism to maintain the second intake or exhaust valve in a closed position. The first oil control solenoid and the second oil control solenoid have different operating parameters.

Mehrzylinderkraftstoffpumpe mit gemeinsamem Verteilerrohr und unabhängiger Pumpenkolbenausfahrung

Eine Kraftstoffpumpe für eine Verbrennungskraftmaschine wird bereitgestellt, umfassend: einen Zylinder, der eine mittige Bohrung umfasst, die eine longitudinale Achse aufweist, einen Kolben, der teilweise in der mittigen Bohrung angeordnet und entlang der longitudinalen Achse bewegbar ist, einen Federhalter, eine erste Spulenfeder, die ein proximales Ende in Kontakt mit einem ersten Abschnitt des Zylinders und ein distales Ende in Kontakt mit dem Federhalter aufweist, um den Federhalter in Kontakt mit einer Stößelanordnung zu drängen, ein Ausfahrelement, das mit dem Kolben gekoppelt ist, und eine zweite Spulenfeder, die ein proximales Ende in Kontakt mit einem zweiten Abschnitt des Zylinders und ein distales Ende in Kontakt mit dem Ausfahrelement aufweist, um den Kolben in Richtung des Federhalters zu drängen, wobei das Ausfahrelement eine Gegenbohrung umfasst, um das Ausfahrelement mit dem Kolben zu koppeln.

KRAFTSTOFFEINSPRITZVENTIL MIT PIEZOELEKTRISCHER STELLGLIEDVORBELASTUNG

System zum Schutz von Antriebsstrangkomponenten vor übermäßigen Motorträgheitskräften

System zum Schutz einer oder mehrerer Antriebsstrangkomponenten vor übermäßigen Motorträgheitskräften mit: einem Antriebsstrang, der einen Verbrennungsmotor umfasst, welcher durch eine Kupplung mit einer Reihe weiterer Antriebsstrangkomponenten gekoppelt ist, wobei die Kupplung auf ein Auskupplungssignal anspricht, um den Motor automatisch von der Reihe weiterer Antriebsstrangkomponenten zu entkoppeln, Mitteln zum Bestimmen einer Beschleunigung des Antriebsstranges und zum Erzeugen eines entsprechenden Beschleunigungswertes, und einem Steuercomputer, der den Beschleunigungswert mit zumindest einem Beschleunigungsgrenzwert vergleicht, der einer maximalen Beschleunigungsfähigkeit einer der Reihe weiterer Antriebsstrangkomponenten entspricht, wobei der Steuercomputer das Auskupplungssignal erzeugt, wenn der Beschleunigungswert den zumindest einen Beschleunigungsgrenzwert übersteigt.

System, method, and apparatus for controlling power output distribution in a hybrid power train

A method includes operating a hybrid power train having an internal combustion engine and an electrical torque provider. The method further includes determining a machine power demand and, in response to the machine power demand, determining a power division description. The method includes operating the internal combustion engine and the electrical torque provider in response to the power division description. The method further includes operating the internal combustion engine by starting the internal combustion engine in response to determining that a battery state-of-charge is below a predetermined threshold value.

WASTE HEAT RECOVERY VEHICLE COOLING OPTIMIZATION

An engine cooling system comprises an engine cooling circuit, comprising a first pump structured to circulate engine coolant fluid therethrough. A remote coolant radiator positioned along the engine cooling circuit downstream of the engine and outside of a vehicle cooling package area is structured to transfer heat from the engine coolant fluid to air. A coolant heat exchanger is positioned along the engine cooling circuit in parallel to the remote coolant radiator. A waste heat recovery system comprises a working fluid circuit comprising a second pump. The coolant heat exchanger is positioned along the working fluid circuit and is structured to transfer heat from the engine coolant fluid to the working fluid. An expander is structured to convert energy from the heat transferred to the working fluid from the engine cooling fluid to mechanical energy. A condenser positioned downstream of the expander is structured cool the working fluid.

System, Verfahren und Vorrichtung zum Ermitteln der Qualität einer Nachbehandlungsflüssigkeit

Verfahren, umfassend:Ermitteln eines ersten NOx-Umwandlungswirkungsgrad-(η)-Wertes (216), Feststellen, dass ein Dieselabgasfluid (DEF)-Niveau um eine Schwellenwertmenge angestiegen ist,Ermitteln eines zweiten NOx-Umwandlungs-η-Wertes (218), Ermitteln, ob der zweite NOx-Umwandlungs-η-Wert zumindest einem emissionskonformen NOx-Umwandlungs-η-Wert (228) entspricht, undVergleichen des ersten NOx-Umwandlungs-η-Wertes (216) mit dem zweiten NOx-Umwandlungs-η-Wert (218), Ermitteln einer NOx-Umwandlungs-η-Änderung . (220) als Reaktion auf das Vergleichen, und Festlegen eines DEF-Qualitätsindikators als Reaktion auf die NOx-Umwandlungs-η-Änderung (220), wobei als Reaktion auf ein Ermitteln, dass der zweite NOx-Umwandlungs-η-Wert (218) zumindest dem emissionskonformen NOx-Umwandlungs-η-Wert (228) entspricht, und ein Feststellen, dass die NOx-Umwandlungs-η-Änderung (220) größer als ein NOx-Umwandlungs-η-Änderungsschwellenwert (224) ist, der DEF-Qualitätsindikator als konform degeneriert festgelegt ...

Vorrichtung und Verfahren zum Öffnen eines abgedichteten Moduls, das eine Leiterplatte enthält

Vorrichtung zum Öffnen eines abgedichteten Moduls (10) mit einem abgedichteten Gehäuse (12), gebildet aus einer ersten Sektion (14) und einer abdichtend mit der ersten Sektion (14) verbundenen zweiten Sektion (16), und mit einer an der zweiten Sektion (16) innerhalb des Gehäuses (10) montierten Leiterplatte (30), wobei die Leiterplatte (32) mindestens einen Verbinder (34) mit einer freiliegenden Oberfläche enthält, die von außerhalb des Gehäuses (10) zugänglich ist, wobei die Vorrichtung aufweist: eine Basis (102), die dafür ausgelegt ist, die erste Sektion (14) des Gehäuses (12) zu unterstützen oder zu halten; einen Kraftübertrager (104), der dafür ausgelegt ist, eine Trennkraft auf die freiliegende Oberfläche des mindestens einen Verbinders (34) zu übertragen, um die zweite Sektion (16) von der ersten Sektion (14) zu trennen, wobei der Kraftübertrager (104) mindestens eine übertragende Oberfläche (118) aufweist, die dafür dimensioniert und geformt ist, die Trennkraft über die freiliegende ...

Vorrichtung zum Diagnostizieren von Störungen und Fehlerbedingungen in einer Kraftstoffanlage einer Verbrennungskraftmaschine

Eine Kraftstoffanlage weist ein Paar elektronisch steuerbare Hochdruck-Kraftstoffpumpen auf, die unter hohem Druck stehenden Kraftstoff von einer Niederdruck-Kraftstoffquelle zu einer Hochdruck-Kraftstoffsammelkammer fördern, mit der ein Drucksensor verbunden ist. Die Kraftstoffsammelkammer versorgt ein elektronisch steuerbares Ventil, das den unter hohem Druck stehenden Kraftstoff an eine Kraftstoffverteilereinheit abgibt, die den Kraftstoff zu einer Vielzahl Kraftstoffinjektoren weiterfördert. Zum Steuern der Hochdruck-Kraftstoffpumpe und des Ventils in Abhängigkeit von angeforderter Kraftstoffzufuhr, Motordrehzahl und Kraftstoffdruck, den der Drucksensor bereitstellt, ist ein Steuerrechner vorgesehen. Das Druckspeicherdruckprofil wird entsprechend verschiedener Verfahren, die Teil der vorliegenden Erfindung bilden, verarbeitet, die sich auf das Diagnostizieren von Störungen des Drucksensors im Bereich, Störungen durch abruptes Schließen des Kraftstoffpumpen-Einspritzventils und von Störungen ...

NOZZLE COMBUSTION SHIELD

An apparatus and method are disclosed for an injector assembly including an injector tip having a prechamber, such as a permanent, passive prechamber (PPPC), and a nozzle combustion shield (NCS) to mitigate pre-ignition events, such as knocking, caused by overheating of the prechamber. The NCS has a thermal conductivity greater than the injector tip. The NCS optionally includes a barrel forming a slip fit with the cylinder head bore and forming a press fit with the injector tip. The NCS also optionally includes a brim to form a combustion seal with a cylinder head. As the spark plug ignites a fuel charge in the prechamber, heat is absorbed into the injector tip, flows into the NCS barrel, out of the NCS brim, and into the cylinder head for cooling via a cooling jacket.

System and method for operating a high pressure compressor bypass valve in a two stage turbocharger system

A system and method for controlling air flow in an engine system. In one embodiment, the system includes an engine, a turbocharger coupled to the engine, and a compressor bypass valve coupled to the turbocharger and to the engine. The compressor bypass valve includes a mechanism that allows the compressor bypass valve to be closed by default and allows the compressor bypass valve to be actuated passively when acted upon by a boost pressure when the boost pressure increases above a predefined pressure threshold. According to the system and method disclosed herein, the compressor bypass valve is passive, and thus controls air flow to the engine without requiring active control circuitry or logic.

COMMON RAIL SYSTEM WITH LEAK CONTAINMENT AND DETECTION

This disclosure provides a fuel system for supplying fuel to an internal combustion engine, an internal combustion engine that includes such a fuel system, a connector for connecting a single-walled high pressure common rail to a double-walled fuel line segment, and a fluid containment system. Each embodiment includes drain plumbing having a leakage drain connector that can be used to provide an interface between a single-walled high pressure common rail and a double-walled high pressure fuel line segment, and also provide part of a low pressure passage fluidly connected with a low pressure passage of the double-walled high pressure fuel line segment. The drain plumbing also can provide an interface with a low pressure fuel drain line fluidly coupled to a leakage detector. 1. A fuel system for supplying fuel to an internal combustion engine , comprising:a single-walled high pressure common rail including a main body and plural members extending from the main body, each member having a high pressure passage leading to the main body;plural double-walled fuel line segments adapted to fluidly connect the high pressure passages of the single-walled high pressure common rail to respective plural fuel injectors, each said segment including a high pressure fuel line, a jacket surrounding the high pressure fuel line, a low pressure passage between the high pressure fuel line and the jacket, and a fuel line connector including a main body housing a portion of the high pressure fuel line such that an end portion of the high pressure fuel line protrudes from a first end of the main body and a second end of the main body is sealingly connected to the jacket to thereby extend the low pressure passage into the fuel line connector;plural leakage drain connectors, each said leakage drain connector sealingly connected at a first end portion thereof to one of the members and sealingly connected at a second end portion thereof to one of the plural fuel line connectors, such that the ...

Assembly for connecting double high pressure wall line to a single-walled high pressure connector

This disclosure provides a fuel line assembly for use with an internal combustion engine, an internal combustion engine including such as fuel line assembly, and a method for providing leak containment and detection in a fuel system, each of which include a double-walled fuel line including a high pressure fuel line component. The double-walled fuel line includes a high pressure fuel line, a jacket surrounding the high pressure fuel line, and a low pressure passage between the high pressure fuel line and the jacket. A fuel line nut includes a main body that houses a portion of the high pressure fuel line, and a first end portion supporting an enlarged end portion of the high pressure fuel line protruding from the first end portion. A second end portion of the fuel line nut sealingly connects to the jacket to extend the low pressure passage into an area between the main body and the housed high pressure fuel line. A fuel line connector mechanically and sealingly engages with the fuel line nut to house the supported enlarged end portion of the high pressure fuel line. The fuel line connector can connect to a single-walled high pressure tube provided in a bore of the cylinder head between an inlet of a fuel injector and the environment exterior of the cylinder head.

FUEL INJECTOR HAVING BALANCED AND GUIDED PLUNGER

A closed nozzle injector for injecting fuel at high pressure into the combustion chamber of an engine, is provided including a lower supply chamber positioned in the nozzle housing, an injector plunger including a lower guide sized to form a close sliding fit with a nozzle housing to guide the plunger during reciprocal movement, and a plurality of restriction orifices formed in the injector plunger and positioned about the injector plunger to restrict fuel flow from an upper supply chamber to the lower supply chamber. The lower guide is positioned axially between the lower supply chamber and the injection orifices. 1. A closed nozzle injector for injecting fuel at high pressure into the combustion chamber of an engine , comprising:an injector body including an upper supply chamber and a nozzle housing, said nozzle housing including a lower supply chamber, a plunger seat, and injector orifices;an injector plunger positioned in said nozzle housing for movement between a closed position in abutment against said plunger seat to block fuel flow through said injector orifices and an open position positioned a spaced distance from said plunger seat to permit fuel flow through said injector orifices, said injector plunger further including a plurality of restriction orifices formed in said injector plunger and positioned symmetrically about said injector plunger to restrict fuel flow from said upper supply chamber to said lower supply chamber.2. The injector of claim 1 , wherein said plurality of restriction orifices is limited to two orifices having central axes positioned in a common plane extending through a longitudinal axis of said injector plunger.3. The injector of claim 1 , wherein said injector plunger includes an upper guide sized to form a close sliding fit with said nozzle housing to create a substantial fluid seal between said upper guide and said nozzle housing claim 1 , said plurality of restriction orifices formed in said upper guide.4. The injector of claim ...

Fault detection and response techniques

Systems and methods for detecting, predicting and/or responding to faults are disclosed. In one form, a sensor can be operatively coupled to an engine system having a component and a control system is coupled to the sensor. The sensor can be structured to monitor the engine system and generate corresponding sensor information. The control system can be structured to: generate an operational signature based on the sensor information, estimate whether a fault (e.g., a mechanical fault of the component and/or a performance fault of the engine system) exists based on the operational signature, determine an engine operating mode adjustment if the fault exists and output the engine operating mode adjustment to an output device. Systems and methods for increasing the accuracy by which faults are detected and/or predicted are also disclosed. The engine operating mode adjustment can be applied to protect engine system components from being undesirably damaged to faults.

EMISSIONS-CRITICAL CHARGE COOLING USING AN ORGANIC RANKINE CYCLE

The disclosure provides a system including a Rankine power cycle cooling subsystem providing emissions-critical charge cooling of an input charge flow, which includes at least one of an exhaust gas recirculation (EGR) source and a charge air source, upstream of an intake internal combustion engine. The system includes a boiler fluidly coupled to the input charge flow and adapted to transfer heat from the input charge to a working fluid of the Rankine power cycle subsystem and vaporize the working fluid, an energy conversion device fluidly coupled to the boiler and adapted to receive vaporized working fluid and convert the energy of the transferred heat, a condenser fluidly coupled to the energy conversion device and adapted to receive the working fluid from which the energy was converted, a pump having an inlet fluidly coupled to an outlet of the condenser and an outlet fluidly coupled to an inlet of the boiler, said pump adapted to move fluid from the condenser to the boiler, an adjuster that adjusts at least one parameter of the Rankine power cycle subsystem to change a temperature of the input charge exiting the boiler, and a sensor adapted to sense a temperature characteristic of the vaporized input charge. The system includes a controller that can determine a target temperature of the input charge sufficient to meet or exceed predetermined target emissions and cause the adjuster to adjust at least one parameter of the Rankine power cycle to achieve the predetermined target emissions. 1. A system including a Rankine power cycle subsystem providing emissions-critical charge cooling of an input charge flow , which includes at least one of an exhaust gas recirculation (EGR) source and a charge air source , upstream of an intake internal combustion engine , comprising:a boiler fluidly coupled to the input charge flow and adapted to transfer heat from the input charge flow to a working fluid of the Rankine power cycle subsystem and vaporize the working fluid;an ...

NO FILTER NO RUN FILTER ASSEMBLY WITH AIR VENT

A filter cartridge includes a filter media defining an interior space, and having a first end and a second end, a first end plate connected to the first end, and a second end plate connected to the second end. A pin is connected to the second end plate and extends downwardly into the interior space. The pin defines a flow passage threrethrough that communicates the interior space with an outside of the filter cartridge. 1. A filter cartridge , comprising:a filter media defining an interior space, and having a first end and a second end;a first end plate connected to the first end;a second end plate connected to the second end,a center tube connected to the second end plate, a pin being connected to the center tube or the second endplate and extending away from second end plate into the interior space, the pin defining a flow passage threrethrough that communicates the interior space with an outside of the filter cartridge.2. The filter cartridge of claim 1 , wherein an annular press fit interface is formed between the second end plate and the center tube or formed between components of the second end plate claim 1 , a restrictive passage extending through the press fit interface to communicate a filter cartridge space with the flow passage defined in the pin.3. The filter cartridge of claim 1 , wherein the filter cartridge is adapted to allow clean fuel to enter into a passage formed in the interior space.4. The filter cartridge of claim 1 , wherein the second end plate includes a generally circular shaped body that has a plurality of annularly arranged claim 1 , equally spaced holes to communicate a filter cartridge space with the flow passage defined in the pin.5. The filter cartridge of claim 1 , wherein the first end plate is in an annular shape.6. A valve assembly for attachment to a fuel filter housing for controlling fuel flow through the fuel filter housing claim 1 , comprising:a valve body adapted for attachment to the fuel filter housing, the valve body ...

WASTE HEAT RECOVERY SYSTEM FOR RECAPTURING ENERGY AFTER ENGINE AFTERTREATMENT SYSTEMS

The disclosure provides a waste heat recovery (WHR) system including a Rankine cycle (RC) subsystem for converting heat of exhaust gas from an internal combustion engine, and an internal combustion engine including the same. The WHR system includes an exhaust gas heat exchanger that is fluidly coupled downstream of an exhaust aftertreatment system and is adapted to transfer heat from the exhaust gas to a working fluid of the RC subsystem. An energy conversion device is fluidly coupled to the exhaust gas heat exchanger and is adapted to receive the vaporized working fluid and convert the energy of the transferred heat. The WHR system includes a control module adapted to control at least one parameter of the RC subsystem based on a detected aftertreatment event of a predetermined thermal management strategy of the aftertreatment system. 1. A waste heat recovery system including a Rankine cycle (RC) subsystem for converting heat energy of exhaust gas from an internal combustion engine , comprising:an exhaust gas heat exchanger fluidly coupled downstream of an exhaust aftertreatment system, said exhaust gas heat exchanger adapted to transfer heat from the exhaust gas to a working fluid of the RC subsystem;an energy conversion device fluidly coupled to the exhaust gas heat exchanger and adapted to receive the working fluid having the transferred heat and convert the energy of the transferred heat;a condenser fluidly coupled to the energy conversion device and adapted to receive the working fluid from which the energy was converted;a pump having an inlet downstream of, and fluidly coupled to an outlet of the condenser and an outlet upstream of, and fluidly coupled to an inlet of the heat exchanger, said pump adapted to move fluid from the condenser to the heat exchanger; anda control module adapted to control at least one parameter of the RC subsystem based on a detected aftertreatment event of a predetermined thermal management strategy of the aftertreatment system.2. ...

ENGINE WITH INJECTOR MOUNTING AND COOLING ARRANGEMENT

An internal combustion engine is provided including an injector having an injector body including a nozzle assembly having an annular outer surface. A cylinder head includes an injector mounting bore to receive the injector, and a lower sealing portion. The engine also includes an engine coolant passage formed in the cylinder head to receive engine coolant to remove heat from the cylinder head. The engine coolant passage opens into, and is fluidly connected to, the mounting bore to cause coolant in the coolant passage to contact the annular outer surface of the nozzle assembly. A lower seal is positioned between the lower sealing portion and the nozzle assembly to form a fluid seal. 1. An internal combustion engine , comprising:an injector including a nozzle assembly having an outer surface;a cylinder head including an injector mounting bore to receive the injector, an upper sealing portion, and a lower sealing portion;an upper seal positioned between said upper sealing portion and said nozzle assembly to form a fluid seal;an engine coolant passage formed in said cylinder head to receive engine coolant to remove heat from said cylinder head, said engine coolant passage opening into, and fluidly connected to, said mounting bore to cause coolant in said coolant passage to contact said outer surface of said nozzle assembly; anda lower seal positioned between said lower sealing portion and said assembly assembly to form a fluid seal.2. The engine of claim 1 , wherein said lower seal includes a surface in contact with said coolant.3. The engine of claim 1 , wherein said lower seal includes a flange positioned between the nozzle assembly and the cylinder head to create a seal claim 1 , and an annular sleeve extending from the flange to surround a portion of the nozzle assembly.4. The engine of claim 1 , wherein said nozzle assembly includes an outer annular surface having an axial extent between said upper seal and said lower seal claim 1 , wherein at least 80% of said ...

RANKINE CYCLE CONDENSER PRESSURE CONTROL USING AN ENERGY CONVERSION DEVICE BYPASS VALVE

The disclosure provides a waste heat recovery system and method in which pressure in a Rankine cycle (RC) system of the WHR system is regulated by diverting working fluid from entering an inlet of an energy conversion device of the RC system. In the system, an inlet of a controllable bypass valve is fluidly coupled to a working fluid path upstream of an energy conversion device of the RC system, and an outlet of the bypass valve is fluidly coupled to the working fluid path upstream of the condenser of the RC system such that working fluid passing through the bypass valve bypasses the energy conversion device and increases the pressure in a condenser. A controller determines the temperature and pressure of the working fluid and controls the bypass valve to regulate pressure in the condenser. 1. A system for recovering waste heat from an internal combustion engine using a Rankine cycle (RC) system , comprising:a heat exchanger thermally coupled to a heat source associated with the internal combustion engine and adapted to transfer heat from the heat source to working fluid of the RC system;an energy conversion device fluidly coupled to the heat exchanger and adapted to receive the working fluid having the transferred heat and convert the energy of the transferred heat;a condenser fluidly coupled to the energy conversion device and adapted to receive the working fluid from which the energy was converted;a pump positioned in a flow path of the working fluid between the condenser and the heat exchanger, said pump adapted to move the working fluid through the RC system;a bypass valve having an inlet fluidly connected between an outlet of the heat exchanger and an inlet of the energy conversion device, and an outlet fluidly connected to an inlet of the condenser;at least one sensor in the flow path of the working fluid between the condenser and the pump and adapted to sense pressure and temperature characteristics of the working fluid and to generate a signal indicative of ...

PIEZOELECTRIC FUEL INJECTOR SYSTEM, METHOD FOR ESTIMATING TIMING CHARACTERISTICS OF A FUEL INJECTION EVENT

This disclosure provides a fuel injector system and method in which the timing of events in during period of fuel injection of a piezoelectric-actuated fuel injector are estimated based on sensed forces within the injector. The force sensor is positioned between a piezoelectric actuator and a hydraulic link assembly mechanically coupled with the piezoelectric actuator, and the force sensor operable to output a signal corresponding to forces between the piezoelectric actuator and the hydraulic link assembly. From information contained in the sensor output signal, timing in the injection period of at least one fueling characteristic based can be estimated to allow for adjusting fuel injector characteristics to compensate for variations affecting fuel injection, such as manufacturing tolerances, environmental conditions, and deterioration/wear. 1. A piezoelectric-actuated fuel injector system for injecting fuel into a combustion chamber of an internal combustion engine , comprising:an injector body including a plunger, a nozzle housing having a nozzle cavity, injector body and said nozzle housing, and an injector orifice communicating with one end of said nozzle cavity to inject fuel into the combustion chamber;a nozzle valve element positioned in said nozzle cavity adjacent said injector orifice, said nozzle valve movable between an open position in which fuel flows through said injector orifice into the combustion chamber and a closed position in which fuel flow through said injector orifice is blocked;a piezoelectric actuator movable to expand in a first direction and to contract in a second direction;a hydraulic link assembly positioned within said nozzle cavity, said hydraulic link assembly operably connected with the piezoelectric actuator such that movement of the piezoelectric actuator in the first direction causes the nozzle valve element to move to said open position and movement of said piezoelectric actuator in said second direction causes the valve element ...

Filter and Filter Media Having Reduced Restriction

A pleated filter media comprises a plurality of pleats comprised of pleat segments extending in an axial direction between first and second axial ends and extending in a transverse direction that is perpendicular to the axial direction between first and second sets of pleat tips at least partially defined by first and second sets of bend lines. Axial flow channels are defined between the pleat segments in the lateral direction and the plurality of pleats has a width in the transverse direction that varies along the axial direction. 1. A pleated filter media extending in an axial direction , a transverse direction that is perpendicular to the axial direction , and a lateral direction that is perpendicular to the axial direction and perpendicular to the transverse direction , the pleated filter media comprising:a plurality of pleats comprised of pleat segments extending in the axial direction between first and second axial ends and extending in the transverse direction between first and second sets of pleat tips at least partially defined by first and second sets of bend lines;wherein axial flow channels are defined between the pleat segments in the lateral direction and wherein the plurality of pleats has a width in the transverse direction that varies along the axial direction.2. A pleated filter media according to claim 1 , wherein the width of the plurality of pleats in the transverse direction varies at least along a portion of the plurality of pleats.3. A pleated filter media according to claim 2 , wherein the portion of the plurality of pleats comprises a curvilinear portion joining one of the first and second axial ends to one of the first and second sets of pleat tips.4. A pleated filter media according to claim 3 , wherein the curvilinear portion is a smooth curvilinear portion.5. A pleated filter media according to claim 3 , comprising a seal on the curvilinear portion.6. A pleated filter media according to claim 3 , wherein the curvilinear portion is one ...

Air Cleaner with Endcap Cover

An air cleaner includes a housing and an air filter element. An endcap of the air filter element provides a removable cover for the housing. The endcap includes removal, insertion, orientation, and retention structure and methods for same. A clamping arrangement is provided with minimal space requirements.

Exhaust Cooler

An internal combustion engine is coupled to an electric power generator. An exhaust manifold for the engine includes an exhaust gas conduit. A housing includes a catalyst in fluid communication with the conduit to receive exhaust produced by the engine. The catalyst is operable to reduce one or more constituents of the exhaust.

Filtration Sealing System

A filtration sealing system is provided for sealing a filter element in a housing at a mating interface therebetween. The sealing system includes a keyed interface. A replacement filter element is provided for such filtration sealing system, with the replacement filter element including a keyed interface. 1. A filtration sealing system for sealing a filter element in a housing at a mating interface therebetween , said sealing system comprising a keyed said interface.2. The filtration sealing system according to wherein said keyed interface permits installation or replacement of only an authorized said filter element mating to said mating interface.3. The filtration sealing system according to wherein said keyed interface permits installation or replacement of said filter element only in a given orientation.4. The filtration sealing system according to wherein:said filter element and said housing have borders mating with each other at a gasket therebetween and providing said mating interface;said gasket and at least one of said housing and said filter element engage each other in detent relation providing said keyed interface.5. The filtration sealing system according to wherein:said gasket extends along an extension direction along a perimeter;said gasket has one or more humped arches spaced along said perimeter and extending transversely of said extension direction;said one of said housing and said filter element has one or more concave recessed slits spaced along said border along said perimeter and extending transversely of said extension direction and complementally receiving respective said humped arches therein;said perimeter defines a perimeteral plane;fluid to be filtered flows through said filter element in an axial direction normal to said perimeteral plane;said one or more humped arches are humped in said axial direction;said one or more concave recessed slits are recessed in said axial direction.6. The filtration sealing system according to wherein:said ...

V-Shaped Filter and Fixture

A V-shaped filter includes a pair of filter media panel elements having respective root ends and diverging therefrom to distal ends in a V-shape. A single unitarily molded fixture is provided, securing the pair of filter media panel elements in the V-shape. 1. A V-shaped filter for filtering fluid , comprising a pair of filter media panel elements having respective facing root ends and diverging therefrom to distal ends in a V-shape , a single unitarily molded fixture securing said pair of filter media panel elements in said V-shape.2. The V-shaped filter according to wherein said fixture is a one-piece integral member.3. The V-shaped filter according to wherein said fixture lies in a coordinate system having X claim 2 , Y and Z axes orthogonal to each other claim 2 , said fixture has a base portion at said distal ends of said filter media panel elements claim 2 , said base portion lying in an X-Y plane and having a central opening passing fluid therethrough in the Z-direction claim 2 , said fixture has a pair of endwall portions spaced from each other along the Y-direction claim 2 , each said endwall portion extending in the Z-direction from said base portion claim 2 , each said endwall portion lying in an X-Z plane claim 2 , a first of said filter media panel elements lying in a first oblique plane oblique to each of the X-Y and Y-Z planes claim 2 , a second of said filter media panel elements lying in a second oblique plane oblique to each of the X-Y and Y-Z planes claim 2 , said first and second oblique planes intersecting at an intersection line extending in the Y-direction claim 2 , said fixture has a first lattice-work portion through which fluid flows claim 2 , said first lattice-work portion lying in said first oblique plane and extending from said base portion towards said intersection line claim 2 , said fixture has a second lattice-work portion through which fluid flows claim 2 , said second lattice-work portion lying in said second oblique plane and ...

Filter element with features to improve pre-cleaning performance, sealing, and structural support

Disclosed are filter assembly systems that utilize replaceable filter elements. The filter elements may include a ramp or sleeve for redirecting air intake when the filter elements are installed in the filter assembly systems and air is drawn into the systems. The filter elements and assembly systems may utilize co-acting components that mate with each other to at least one of: a) orient and permit mounting of the filter element in the systems; and b) permit mounting of only an authorized filter element in the systems.

Exhaust Injection Muffler

An internal combustion engine is coupled to an electric power generator. An exhaust manifold for the engine includes an exhaust gas conduit. A housing includes a catalyst in fluid communication with the conduit to receive exhaust produced by the engine. The catalyst is operable to reduce one or more constituents of the exhaust.

Filter Assembly with Mounting

A filter assembly, including an air cleaner assembly for an internal combustion engine in an underhood engine compartment, includes a mounting bracket with a flow passage therethrough. In one form, a combination air filter element and base is provided for an air cleaner assembly. In a further form, a filter assembly includes a filter element integrally and permanently mounted to the base for removal and replacement as a single unit. 1. An air cleaner assembly for an internal combustion engine in an underhood engine compartment , said air cleaner assembly comprising a bracket forming a combustion air flow passage therethrough , an air filter comprising a housing mounted to said bracket and having a dirty air inlet and a clean air outlet , a combustion air duct having an inlet receiving clean combustion air through said bracket and supplying said clean combustion air to said engine , said clean air outlet of said housing and said inlet of said combustion air duct each being sealed at said bracket , such that clean filtered air exits said air filter at said clean air outlet of said housing and flows through said combustion air flow passage of said bracket and through said inlet of said combustion air duct as said clean combustion air supplied to said engine.2. The air cleaner assembly according to wherein said clean air outlet of said housing and said inlet of said combustion air duct are each sealed to said bracket at said combustion air flow passage.3. The air cleaner assembly according to comprising a clamp providing clamping sealing pressure to at least one interface between said combustion air flow passage of said bracket claim 2 , said clean air outlet of said housing claim 2 , and said inlet of said combustion air duct.4. The air cleaner assembly according to wherein said bracket has a sidewall defining said combustion air flow passage claim 1 , said sidewall has first and second distally oppositely facing surfaces claim 1 , said clean air outlet of said housing ...

Variable flow fuel transfer pump system and method

A fuel supply system and method of controlling fuel flow through a supply system is provided including a variable flow, i.e. speed, electric fuel transfer pump and a control system adapted to variably control the transfer pump based on fuel demand of the engine. The system provides improved transient response by providing the transfer pump with a feed forward speed/flow command based on engine fueling demand determined based on engine operating conditions. The transfer pump is controlled based on fuel demand not necessarily achieved yet by the high pressure pump and injectors. Therefore, this system controls the EFTP substantially simultaneously with controlling the high pressure pump and injectors to optimize fuel flow through the entire system ensuring the minimum required fuel flow is passing through the second the fuel filtration system, hence maximizing steady state fuel filtration efficiency, and minimizing surge effects on filtration efficiency.

ENGINE CONTROL SYSTEM AND METHOD BASED ON FUEL QUALITY

An engine control system and method includes sensing the quality of fuel in the engine relative to emissions, by for example sensing the level of an emission related constituent, such as sulfur. A fuel quality sensor detects a fuel quality of a fuel, such as the sulfur level in the fuel, and provides a signal in response to the fuel quality. The engine control system also includes a navigation device to determine whether an engine is located in a regulated or non-regulated region. The engine control system receives the signal and controls engine operation by, for example, enabling or disabling one or more engine algorithms to improve performance of the engine based on the fuel quality signal or, in other embodiments, the combination of the fuel quality and the location of the engine. 1. An engine control system , comprising:a fuel constituent sensor to detect a level of an emissions related constituent of fuel present in an engine and to provide a fuel constituent level signal based on the detected level of the constituent in the fuel present in the engine; andan electronic control device to control operation of the engine based on said fuel constituent level signal.2. The engine control system of claim 1 , wherein said emissions related constituent is sulfur and said fuel constituent sensor detects a level of sulfur in the fuel present in the engine.3. The engine control system of claim 1 , wherein said electronic control device is adapted to receive said fuel constituent level signal and to deactivate an engine exhaust gas recirculation system when said fuel constituent level signal is above a predetermined level.4. The engine control system of claim 1 , wherein said electronic control device is adapted to receive said fuel constituent level signal and to modify operation of an engine exhaust aftertreatment system when said fuel constituent level signal is above a predetermined level.5. The engine control system of claim 4 , wherein said aftertreatment system is a ...

Inertia assisted engine cranking

An inertia assisted engine starting apparatus and method are disclosed. The apparatus includes an internal combustion engine and an accessory drive system including an accessory. The accessory includes a rotatable member. An electric motor is selectively rotationally coupled to the accessory drive system. A mechanical coupling device selectively transfers rotational kinetic energy from the accessory drive system to start the internal combustion engine.

Control of aftertreatment regeneration in a hybrid powered vehicle

A method for controlling aftertreatment regeneration for a system having a hybrid powertrain is described. The method includes determining that an engine aftertreatment regeneration is indicated when a regeneration request index exceeds a first threshold. The method includes determining an acceptable battery usage amount based on a current battery state of charge (SOC) and a minimum battery SOC. The method further includes determining a battery usage amount for an engine aftertreatment regeneration operation. The method includes initiating an engine aftertreatment regeneration when the battery usage amount is less than or equal to the acceptable battery usage amount.

Pleated Filter Element with Tapering Bend Lines

A pleated filter element extends axially between an upstream inlet and a downstream outlet along a plurality of axially extending bend lines forming axial flow channels. The bend lines taper in a transverse direction and define a plurality of axially elongated tetrahedron channels facing oppositely to each other. 1. A filter element having an upstream inlet and a downstream outlet and pleated along a plurality of bend lines , said bend lines extending axially along an axial direction and comprising a first set of bend lines extending from said upstream inlet axially towards said downstream outlet , and a second set of bend lines extending from said downstream outlet axially towards said upstream inlet , said filter element having a plurality of wall segments extending in serpentine manner between said bend lines , said wall segments extending axially and defining axial channels therebetween , said channels having a height along a transverse direction , said transverse direction being perpendicular to said axial direction , said channels having a lateral width along a lateral direction , said lateral direction being perpendicular to said axial direction and perpendicular to said transverse direction , at least some of said bend lines tapering in said transverse direction as they extend axially in said axial direction.2. The filter element according to wherein said wall segments comprise a first set of wall segments alternately sealed to each other at said upstream inlet to define a first set of channels having open upstream ends claim 1 , and a second set of channels interdigitated with said first set of channels and having closed upstream ends claim 1 , said wall segments comprise a second set of wall segments alternately sealed to each other at said downstream outlet to define a third set of channels having closed downstream ends claim 1 , and a fourth set of channels interdigitated with said third set of channels and having open downstream ends claim 1 , said ...

Particulate filter diagnostics

A system includes an internal combustion engine producing an exhaust stream, a particulate filtering device that treats the exhaust stream, a particulate sensor operatively coupled to the exhaust stream at a position downstream of the particulate filtering device, and a temperature sensor operatively coupled to the exhaust stream. The system includes a controller that interprets a particulate sensor particulate stability condition, interprets a particulate sensor input value and a particulate sensor temperature, compensates the particulate sensor input value in response to the particulate sensor temperature, and filters the compensated particulate sensor input value. The controller determines a soot accumulation value in response to the filtered compensated particulate sensor input value, interprets a diagnostic enable condition, and determines a particulate filter diagnostic value in response to the active diagnostic enable condition and the soot accumulation value. The controller provides the particulate filter diagnostic value to an output device.

CYLINDER HEAD HAVING PLURAL WATER JACKETS AND CAST-IN WATER RAIL

This disclosure provides a cylinder head having a structure allowing for more uniform lateral coolant flow, and an internal combustion engine including such a cylinder head. The cylinder head includes a lower water jacket cavity, an upper water jacket cavity in fluid communication with the lower water jacket cavity through plural orifices formed in cylinder head material between the lower and upper jacket cavities, and a coolant outlet passage extending from the upper water jacket cavity to a lateral side of the cylinder head. A rail cavity is provided in the cylinder head, extends in a longitudinal direction of the cylinder head, and is in fluid communication with the coolant outlet passage. A lateral passage is provided in the cylinder head upstream from the coolant outlet passage with a portion of the rail cavity therebetween. The lateral passage fluidly connects the upper water jacket cavity to the rail cavity to allow lateral flow of coolant in areas of the cylinder head upstream from the coolant outlet passage. 1. A cylinder head for an internal combustion engine , comprising:a lower water jacket cavity formed in material of the cylinder head;an upper water jacket cavity formed in the cylinder head material and in fluid communication with the lower water jacket cavity through plural orifices formed in cylinder head material between the lower and upper jacket cavities;a coolant outlet passage extending from the upper water jacket cavity to a lateral side of the cylinder head;a rail cavity in the cylinder head material spaced from the upper water jacket cavity, said rail cavity extending in a longitudinal direction of the cylinder head and in fluid communication with the coolant outlet passage; anda lateral passage in the cylinder head material upstream from the coolant outlet passage with a portion of the rail cavity therebetween, said lateral passage fluidly connecting the upper water jacket cavity to the rail cavity.2. The cylinder head according to claim 1 , ...

CYLINDER HEAD WITH PLURAL COOLING JACKETS HAVING CAST-IN CONNECTING ORIFICES, METHOD OF FABRICATING THE CYLINDER HEAD, AND CASTING CORE ASSEMBLY FOR FABRICATING A CYLINDER HEAD

This disclosure provides a cast cylinder head includes two cooling jackets for use with an internal combustion engine, a method of fabricating a cylinder head, and a casting core assembly for fabricating a cylinder head. The cast cylinder head includes at least one cast-in orifice, which fluidly connects the two cooling jackets and is formed during a casting process of the cylinder head. The method of fabricating a cylinder head includes utilizing an assembly including an upper cooling jacket core and a lower cooling jacket core for forming respective upper and lower cooling jackets and at least one cast-in orifice fluidly connecting the cooling jackets. 1. A method of fabricating a cylinder head for an internal combustion engine , comprising:providing a mold cavity including pattern features for defining outer surfaces of a cylinder head;inserting into the molding cavity an upper cooling jacket core for forming an upper cooling jacket in the cylinder head;inserting into the molding cavity a lower cooling jacket core for forming a lower cooling jacket in the cylinder head; andpouring molten metal into the mold cavity including the upper and lower cores to substantially surround the upper and lower cooling jacket cores to form respective upper and lower cooling jackets, whereinat least one of the upper and lower cooling jacket cores includes at least one projecting member including a distal surface, and with the upper and lower cooling jacket cores inserted into the mold cavity just prior to providing the molten metal, the distal surface of each projecting member is adjacent a corresponding complementary surface of the other of the upper and lower cores to form a cast-in passage from the molten metal between upper and lower cooling jackets in the cylinder head.2. The method according to claim 1 , further comprising assembling the upper cooling jacket core and the lower cooling jacket core prior to inserting the assembled upper and lower cooling jackets into the mold ...

Multistage Variable Impactor

An inertial gas-liquid separator and method is provided, including variable orifice jet nozzle structure having a variable orifice area dependent upon axial movement of a plunger relative to a housing sleeve, and in another embodiment having first and second flow branches, with the first flow branch being continuously open, and the second flow branch having a variable flow controller controlling flow therethrough. 116-. (canceled)17. An inertial gas-liquid separator for removing liquid particles from a gas-liquid stream comprising a housing having an inlet for receiving a gas-liquid stream , and an outlet for discharging a gas stream , said housing having an inner cavity extending axially between first and second distally opposite axial ends , said first axial end receiving said gas-liquid stream from said housing inlet , said second axial end having a set of one or more nozzles accelerating said gas-liquid stream against an inertial impactor collector in said housing for liquid particle separation , a variable flow controller in said housing controlling flow between said first and second axial ends of said inner cavity , said variable flow controller comprising an axially movable valve member.1849-. (canceled)50. An inertial impactor responsive to changing flow conditions for causing oil separation from an oil-mist stream vented from a crankcase of an engine , comprising:a cylindrical wall having an interior surface defining an axial flow path, the wall further defining a plurality of radially extending orifices, the orifices extending through the interior surface to an exterior surface of the wall, the radially extending orifices defining a second flow path toward an impingement surface having a porous covering, wherein the impingement surface is spaced apart from the wall by an annular gap, the annular gap defining a third flow path that is also fluidly connected to an outlet; anda variable flow controller that translates axially within the axial flow path to ...

Filter Element with Percussion Band

A filter element has a reinforcement band or ring along at least a portion of the perimeter thereof and performing a support function thereat preventing or minimizing damage upon attempted percussive cleaning of the filter element by service personnel striking the perimeter against an impact surface. Alternatively, a failure band or ring is provided along at least a portion of the perimeter and performs a designated failure function to a failure condition thereat upon attempted percussive cleaning, with the failure condition providing at least one of: a) an indication to service personnel that the filter element has been damaged and should not be re-installed; and b) a deformed condition preventing re-installation. 157.-. (canceled)58. A filter element for filtering fluid , comprising annular filter media having an outer circumference , and an inner circumference defining a hollow interior , and extending axially between first and second axial ends , said first axial end having an axially facing end face extending radially between said inner and outer circumferences , an end cap at said first axial end and extending axially away from said end face in a first axial direction , said second axial end being axially spaced from said first axial end along a second axial direction , said first axial direction being opposite to said second axial direction , an annular outer liner extending axially along said outer circumference and extending in said first axial direction beyond said end face and into said end cap and providing a percussion band performing a support function upon attempted percussive cleaning of said filter element by service personnel striking said first axial end at said outer circumference against an impact surface.5963-. (canceled)64. The filter element according to wherein said outer liner extends rectilinearly into said end cap.65. The filter element according to wherein said outer liner extends to a termination end axially aligned with said outer ...

APPARATUS, SYSTEM, AND METHOD FOR ADAPTIVE ENGINE SYSTEM CONTROL WITH INTEGRATED GLOBAL POSITION SENSING

According to one embodiment, an apparatus includes an electronic controller () for an internal combustion engine () of a motor vehicle. The electronic controller includes a location detection module () configured to identify a location of the motor vehicle by a global positioning system (GPS) device (). Also, the electronic controller includes a driving condition prediction module () configured to determine a direction of travel and access geographic information data for a path to be traveled by the motor vehicle. The electronic controller also has a simulation module () configured to simulate engine performance including effects from parasitic loads. Still further, the electronic controller includes a parasitic load control module () configured to adjust the timing for one or more of a regeneration process for an exhaust filter and at least one other parasitic load in order to maintain engine performance at or above a predetermined threshold. 1. A system for timing an after-treatment process in an exhaust gas after-treatment system of a motor vehicle coupled to an internal combustion engine , the system comprising:a controller operatively connected to the internal combustion engine, the controller configured to control the internal combustion engine and exhaust after-treatment system processes;a geographical locator operably connected to the controller and configured to provide data to the controller for detecting a location of the motor vehicle in which the locator is housed; anda database accessibly connected to the controller, the database storing geographic information; determine a current load of the engine and predict a future load of the engine at a future driving location, the future driving location being based on the detected location and geographic information;', 'initiate an exhaust after-treatment process if a difference between the predicted future engine load and a desired engine load for an exhaust after-treatment process is greater than a ...

SYSTEM AND METHOD FOR MONITORING AND DETECTING FAULTS IN A CLOSED-LOOP SYSTEM

The disclosure provides a method, system and internal combustion engine system in which a closed-loop system having a controllable variable is monitored to detect the off-nominal behavior of the closed-loop system and raise an alarm or other alerting mechanism when fault is detected. The faults in a closed-loop system show up in such a way that the tracking error signal is impacted and this impact manifests itself as a change in the frequency components. A filter is used to isolate a band of frequency components of the tracking error signal that are more impacted than other by deviation caused by a fault to be detected. The filter can be designed to effectively amplify the section of the error tracking signal that contains the frequency components that have the major impact. In addition, the filter will also have the characteristics to attenuate the impact of other frequency components. An accumulated error signal is generated from the filtered tracking error signal, compared with a predetermined fault threshold characteristic, and a fault indication/warning/alert is provided for the closed-loop system if the accumulated error signal meets the predetermined threshold. 1. A method of detecting fault in a closed-loop system , comprising:monitoring an tracking error signal indicative of a difference between a reference value of a variable of the closed-loop system to be controlled and a measured value of the variable being controlled;filtering the tracking error signal to isolate a band of frequency components impacted by deviation in the tracking error signal caused by a fault to be detected;generating an accumulated error signal from the filtered tracking error signal;comparing the accumulated error signal with a predetermined fault threshold characteristic; andproviding an indicator of fault in the closed-loop system if the accumulated error signal meets the predetermined threshold.2. The method according to claim 1 , further comprising determining whether an enable ...

FLOW-THROUGH FITTING AND FILTER ASSEMBLY

A flow-through fitting and filter assembly is provided including a fitting body with a cavity, and a filter coupled to fitting body and positioned within the cavity. The filter includes a filter support and a filter element mounted on the filter support. A first end portion of the filter support is of a generally cylindrical cup shape including an outer annular wall in close sliding relationship the inner wall forming a fitting cavity to provide a guiding function while passages in the first end portion provide relief of fluid from the end of the cavity. A second end portion of the filter support includes an outer annular surface having an outer annular diameter greater than the inner annular diameter of the inner annular surface of the fitting body to create an interference fit and a fluid seal. 1. A flow-through fitting and filter assembly for connection to an engine , comprising:a fitting body including a cavity, at least one first opening, a second opening in fluid communication with said at least one first opening, and a securing mechanism adapted to secure the fitting to the engine, said cavity including an inner end and an outer end, said fitting body including an outer end portion including an inner annular surface having an inner annular diameter;a filter coupled to the fitting body and positioned within said cavity, said filter including a filter support and a filter element mounted on said filter support, said filter support including a first end portion positioned adjacent said inner end and a second end portion positioned adjacent said outer end, said second end portion including an outer annular surface having an outer annular diameter greater than said inner annular diameter to create an interference fit and a fluid seal between said outer annular surface and said inner annular surface.2. The flow-through fitting and filter assembly of claim 1 , wherein said second end portion includes an annular protrusion including said outer annular surface.3. The ...

Control of an engine-driven generator to address transients of an electrical power grid connected thereto

A technique for providing electric power to an electric power utility grid includes driving an electric power alternator coupled to the grid with a spark-ignited or direct injection internal combustion engine; detecting a change in electrical loading of the alternator; in response to the change, adjusting parameters of the engine and/or generator to adjust power provided by the engine. In one further forms of this technique, the adjusting of parameters for the engine includes retarding spark timing and/or interrupting the spark ignition; reducing or retarding direct injection timing or fuel amount and/or interrupting the direct injection; and/or the adjusting of parameters for the generator including increasing the field of the alternator or adding an electrical load.

EXHAUST GAS SENSOR MODULE

According to one embodiment, a sensor module includes a sensor probe that has at least two arms coupled together at a central location with each of the at least two arms extending radially outwardly away from the central location. Each of the at least two arms includes one of a plurality of openings and an elongate opening extending radially along the arm. The at least two arms define fluid flow channels therein. The sensor module also includes at least one extractor coupled to the probe. The at least one extractor includes a fluid flow channel that is communicable in fluid receiving communication with fluid flowing through the fluid flow channel of at least one of the at least two arms. Further, the sensor module includes at least one sensor that is communicable in fluid sensing communication with fluid flowing through the at least one extractor. 1. A sensor module for sensing characteristics of a fluid flowing through a fluid conduit , comprising:a sensor probe comprising at least two arms coupled together at a central location with each of the at least two arms extending radially outwardly away from the central location, wherein each of the at least two arms comprises one of a plurality of openings and an elongate opening extending radially along the arm, the at least two arms further defining fluid flow channels therein;at least one extractor coupled to the probe, the at least one extractor comprising a fluid flow channel communicable in fluid receiving communication with fluid flowing through the fluid flow channel of at least one of the at least two arms; andat least one sensor communicable in fluid sensing communication with fluid flowing through the at least one extractor.2. The sensor module of claim 1 , further comprising a suction generating element coupled to an outlet of the at least one extractor.3. The sensor module of claim 2 , wherein the suction generating element comprises a conical feature.4. The sensor module of claim 1 , further comprising a ...

Engine Air Management System

An engine air management system is provided for an internal combustion engine generating blowby gas in a crankcase containing engine oil and oil aerosol. The system includes combinations of two or more of an air-oil separator, an air filter, and an acoustic silencer.

Inertial Gas-Liquid Impactor Separator with Flow Director

An inertial gas-liquid impactor separator includes flow director guidance structure directing and guiding flow through the housing from the inlet to the outlet along a flow path from upstream to downstream. The flow director guidance structure may include a flow controller controlling and directing flow. 153-. (canceled)54. An inertial gas-liquid impactor separator for removing liquid particles from a gas-liquid stream comprising a housing having an inlet for receiving a gas-liquid stream , and an outlet for discharging a gas stream , at least one nozzle in said housing receiving said gas-liquid stream from said inlet and accelerating said gas-liquid stream through said nozzle , an inertial impactor collector in said housing in the path of said accelerated gas-liquid stream and causing liquid particle separation , wherein flow through said housing flows from said inlet to said outlet along a flow path from upstream to downstream , wherein said gas-liquid stream is accelerated by said nozzle along an axial direction against said inertial impactor collector , a biasing member biasing said inertial impactor collector axially towards said nozzle , wherein one of said housing and said inertial impactor collector in sectional view has a pair of axial extension portions extending axially toward the other of said housing and said inertial impactor collector and partially along said biasing member and having axially facing stop surfaces limiting the amount of axial travel of said inertial impactor collector away from said nozzle.55. The inertial gas-liquid impactor separator according to wherein said axial extension portions are on said housing on laterally distally opposite sides of said biasing member therebetween.56. The inertial gas-liquid impactor separator according to wherein said axial extensions portions are on said inertial impactor collector on laterally distally opposite sides of said biasing member therebetween.57. An inertial gas-liquid impactor separator for ...

SYSTEM AND METHOD FOR REGULATING EGR COOLING USING A RANKINE CYCLE

This disclosure relates to a waste heat recovery (WHR) system and method for regulating exhaust gas recirculation (EGR) cooling, and more particularly, to a Rankine cycle WHR system and method, including a recuperator bypass arrangement to regulate EGR exhaust gas cooling for engine efficiency improvement and thermal management. This disclosure describes other unique bypass arrangements for increased flexibility in the ability to regulate EGR exhaust gas cooling. 1. A waste heat recovery system for an internal combustion engine , the waste heat recovery system comprising: a sub-cooler containing a liquid working fluid;', 'a pump fluidly connected to the sub-cooler and operable to draw the liquid working fluid from the sub-cooler, wherein the liquid working fluid has a first temperature;, 'a fluid management circuit, includinga waste heat recovery circuit, including:a recuperator receiving the liquid working fluid from the pump and receiving a vaporized working fluid, wherein heat is transferred from the vaporized working fluid to the liquid working fluid to increase the temperature of the liquid working fluid;an EGR boiler flow control valve fluidly connected in parallel to the recuperator and receiving the liquid working fluid from the pump; anda boiler receiving an EGR exhaust gas at a first inlet, the liquid working fluid at the first temperature from the EGR boiler flow control valve at a second inlet, and the liquid working fluid flowing from the recuperator at a third inlet;wherein the liquid working fluid at the third inlet is at a second temperature higher than the first temperature;wherein heat is transferred from the EGR exhaust gas to the liquid working fluid to cause the liquid working fluid to vaporize; andwherein the liquid working fluid at the first temperature is used to control the amount of cooling provided to the EGR exhaust gas.2. The waste heat recovery system of claim 1 , further including a pre-charge air cooler fluidly connected to the ...

SYSTEM AND METHOD OF SPEED-BASED DOWNSPEED COASTING MANAGEMENT

A velocity profile can be used in conjunction with vehicle operating condition data to determine a gear shift schedule that mitigates the amount of service brake effort required to slow a vehicle by making optimal use of engine speed, friction and engine brakes. The gear shift point drives the engine to a higher operating speed and greater frictional torque, slowing the vehicle, which can then coast to a desired speed. The gear shift point can be timed to minimize fuel consumption during the maneuver. Thus, a vehicle downshift event is created based on the transmission gear recommendation. The benefit is increased freight efficiency in transporting cargo from source to destination by minimizing fuel consumption and maintaining drivability. 1. A method for downspeed coasting management for a vehicle , comprising:accessing predetermined vehicle parameter data indicative of at least one predetermined vehicle parameter, said at least one predetermined vehicle parameter including at least one of vehicle mass, vehicle drag, vehicle rolling resistance, tire circumference, front area of vehicle, powertrain torque loss, and engine friction;accessing current vehicle operating data indicative of at least one current vehicle operating condition, said at least one current vehicle operating condition including current vehicle speed, a lower vehicle speed target to be reached, and a distance to travel before reaching the lower vehicle speed target;accessing road terrain data indicative of at least one road terrain element, said at least one road terrain element including at least one of speed limit changes, off ramp locations, fueling locations, road grade, air density and traffic congestion;determining a desired rate of deceleration based on said current vehicle speed, lower vehicle speed target to be reached, and the distance to travel before reaching the lower vehicle speed target; anddetermining a transmission gear recommendation based on said predetermined vehicle parameter ...

SYSTEM AND METHOD OF VEHICLE OPERATING CONDITION MANAGEMENT

A vehicle operating condition profile can be determined over a given route while also considering imposed constraints such as deviation from time targets, deviation from maximum governed speed limits, etc. Given current vehicle speed, engine state and transmission state, the present disclosure optimally manages the engine map and transmission to provide a recommended vehicle operating condition that optimizes fuel consumption in transitioning from one vehicle state to a target state. Exemplary embodiments provide for offline and online optimizations relative to fuel consumption. The benefit is increased freight efficiency in transporting cargo from source to destination by minimizing fuel consumption and maintaining drivability. 1. A method for vehicle operating condition management for a vehicle , comprising:accessing predetermined vehicle parameter data indicative of at least one predetermined vehicle parameter, said at least one predetermined vehicle parameter including at least one of vehicle mass, vehicle drag, vehicle rolling resistance, tire circumference, front area of vehicle, powertrain torque loss, and engine friction;accessing road terrain data indicative of at least one road terrain element, said at least one road terrain element including at least one of speed limit changes, off ramp locations, fueling locations, road grade, air density and traffic congestion;performing a first optimization, wherein one or more vehicle optimization vectors are determined;accessing current vehicle operating data indicative of at least one current vehicle operating condition, said at least one current vehicle operating condition including current vehicle speed, a lower vehicle speed target to be reached, travel time, and a distance to travel before reaching the lower vehicle speed target;accessing the offline vehicle optimization vectors;determining vehicle power based on the current vehicle operating condition data and the terrain element data; andperforming a second ...

SYSTEM AND METHOD OF VEHICLE SPEED-BASED OPERATIONAL COST OPTIMIZATION

A vehicle speed-based operational cost optimization module provides an optimized velocity profile over a given route while also considering imposed constraints such as deviation from time targets, deviation from maximum governed speed limits, etc. Given current vehicle speed, engine state and transmission state, the present disclosure optimally manages the engine map to provide a recommended vehicle speed that optimizes fuel consumption. Exemplary embodiments provide for offline and online optimizations relative to fuel consumption. The benefit is increased freight efficiency in transporting cargo from source to destination by minimizing fuel consumption and maintaining drivability. 1. A method for vehicle speed-based operational cost optimization for a vehicle , comprising:accessing predetermined vehicle parameter data indicative of at least one predetermined vehicle parameter, said at least one predetermined vehicle parameter including at least one of vehicle mass, vehicle drag, vehicle rolling resistance, tire circumference, front area of vehicle, and engine friction;accessing road terrain data indicative of at least one road terrain element, said at least one road terrain element including at least one of speed limit changes, off ramp locations, fueling locations, road grade, air density and traffic congestion;accessing operator input data indicative of at least one operator input, said at least one operator input including at least one of fuel cost, operator cost, trip time, route beginning and ending points to define a route, and maximum vehicle speed;performing a first optimization, wherein a vehicle speed optimization vector is determined based on said accessed predetermined vehicle parameter data, road terrain data, and said operator input data;accessing current vehicle operating data indicative of at least two current vehicle operating conditions, said at least two current vehicle operating conditions including current vehicle speed and road grade; ...

RANKINE CYCLE WASTE HEAT RECOVERY SYSTEM

A Rankine cycle waste heat recovery system associated with an internal combustion engine is in a configuration that enables handling of exhaust gas recirculation (EGR) gas by using the energy recovered from a Rankine cycle waste heat recovery system. The system includes a control module for regulating various function of the internal combustion engine and its associated systems along with the Rankine cycle waste heat recovery system. 1. An internal combustion engine , comprising:an exhaust system operable to transport an exhaust gas and including an exhaust outlet;a turbocharger turbine positioned along the exhaust system;an aftertreatment system positioned along the exhaust system downstream from the turbocharger turbine;an EGR system connected to the exhaust system downstream of the aftertreatment system and operable to divert a portion of the exhaust gas from the exhaust system, said EGR system connected to an intake system of the internal combustion engine, said EGR system including an EGR pump adapted to selectively control a flow rate of EGR gas into the intake system; anda Rankine cycle waste heat recovery system including a waste heat recovery circuit, a working fluid pump positioned along the waste heat recovery circuit, an EGR heat exchanger positioned along the waste heat recovery circuit downstream from the working fluid pump and adapted to receive EGR gas, an exhaust gas boiler positioned along the waste heat recovery circuit downstream from the EGR heat exchanger and adapted to receive exhaust gas, an energy conversion portion positioned along the waste heat recovery circuit downstream from the exhaust gas boiler and operable to drive the EGR pump, and a condenser positioned along the waste heat recovery circuit downstream from the energy conversion portion and upstream from the working fluid pump.2. The internal combustion engine of claim 1 , wherein the energy conversion portion includes a gear reduction.3. The internal combustion engine of claim 1 , ...

SUPERVISORY THERMAL MANAGEMENT SYSTEM AND METHOD FOR ENGINE SYSTEM WARM UP AND REGENERATON

This disclosure provides a thermal management system and method that can recommend operational behavior to an operator of an engine system to optimize fuel economy over a period of time in which a components of the engine system is in a warm up and/or regeneration state. In one representative embodiment, the expected temperature change of the engine component at a later time is determined based on inefficient operation of the engine, such as a transmission down shift resulting in higher engine speed and lower engine torque, and the expected temperature change of the engine component resulting from operating the engine under current conditions or expected conditions at that later time is determined. A determination is made as to whether the inefficient engine operation is the optimal operation in view of fuel economy and a recommendation is generated for the operator based if optimal operation is determined. 1. A method to determine a transmission gear shift recommendation based on optimization of overall fuel economy , the method comprising:receiving data indicative of at least one current vehicle operating condition, said operating condition data including data representing or signifying at least one of transmission out power and speed, current gear number, transmission gearing set, current engine temperature, current engine speed, current engine torque, and fueling;receiving data from engine fueling maps based on cold and warm-up conditions;determining an expected temperature change based on a transmission down shift and higher engine speed in view of said operating condition data and said fueling maps;determining an expected temperature change based on a transmission up shift and lower engine speed in view of said operating condition data and said fueling maps; anddetermining a transmission gear shift recommendation in view of said determined expected temperature changes based on optimization of overall fuel economy.2. The method of claim 1 , wherein the gear ...

MULTI-LEG EXHAUST AFTERTREATMENT SYSTEM AND METHOD

An exhaust aftertreatment system for treating exhaust flow from an internal combustion engine, and associated method, allows for independent control of exhaust flow through plural exhaust legs of the exhaust aftertreatment system. The independent control of exhaust flow is carried out by adjusting a valve positioned in each the exhaust legs based on a value of a signal generated by a flow measurement device positioned along at least one of the exhaust legs. The valves can be adjusted to force a target flow in a exhaust leg, relative flow among exhaust legs, exhaust temperature in an exhaust leg, exhaust backpressure and/or imbalance within the exhaust legs. 1. An exhaust aftertreatment system for treating exhaust flow from an internal combustion engine , comprising: a first selective catalytic reducer (SCR);', 'a first reductant dosing system including a doser upstream of the first SCR and configured to inject reductant into an exhaust stream in the first exhaust leg; and', 'a first exhaust flow control valve positioned along said first exhaust leg;, 'a first exhaust leg positioned to receive the exhaust flow from the engine, said first exhaust leg including a second SCR positioned along the second exhaust leg;', 'a second reductant dosing system including a doser upstream of the second SCR and configured to inject reductant into an exhaust stream in the second exhaust leg; and', 'a second exhaust flow control valve positioned along the second exhaust leg;, 'a second exhaust leg positioned to receive the exhaust flow from the engine in parallel to the exhaust flow in the first exhaust leg, said second exhaust leg includinga flow measurement sensor device positioned along at least one of the first and second exhaust legs and configured to generate a signal indicative of a characteristic of exhaust mass flow or exhaust volume flow of the exhaust steam in that leg; anda control module configured to independently control the first and second exhaust valves based on said ...

Multi-leg exhaust after-treatment system and method

This disclosure provides an exhaust flow detection and variable dosing system and method for treating exhaust flow from an engine. The system includes first and second exhaust flow legs, a cross passage connecting these legs upstream of SCRs and a sensor positioned along the cross passage to detect at least one of differential pressure between the exhaust flow legs, and exhaust flow in the cross passage. A dosing circuit connects a dosing treatment supply to each of the exhaust flow legs at or upstream of the SCRs, and at least one dosing device positioned along the dosing circuit to control the amount of the dosing agent delivered to each exhaust leg. An electronic control unit controls the amount of a dosing agent delivered to the exhaust flow legs independently based on exhaust flows determined for each leg using at least one of the differential pressure and cross passage exhaust flow.

RANKINE CYCLE WASTE HEAT RECOVERY SYSTEM

This disclosure relates to a waste heat recovery (WHR) system and to a system and method for regulation of a fluid inventory in a condenser and a receiver of a Rankine cycle WHR system. Such regulation includes the ability to regulate the pressure in a WHR system to control cavitation and energy conversion. 1. A waste heat recovery system for an internal combustion engine , comprising:a working fluid circuit containing a working fluid;a condenser/a sub-cooler positioned along the working fluid circuit and containing a liquid working fluid having a first fluid level;a heat exchanger positioned along the working fluid circuit downstream of the condenser/sub-cooler;an energy conversion device positioned along the working fluid circuit between the heat exchanger and the condenser/sub-cooler;a fluid management system including a receiver containing the liquid working fluid and a transfer circuit fluidly connecting the receiver and the condenser/sub-cooler, wherein the liquid working fluid in the receiver has a second fluid level and wherein a minimum second fluid level is higher than a maximum first fluid level;a pump positioned along the transfer circuit between the condenser/sub-cooler and the receiver;at least one sensor adapted to measure a condition of the working fluid circuit; anda control module adapted to receive the condition signal from the at least one sensor and to generate a pump control signal based on the condition signal to control operation of the pump to transfer liquid working fluid between the receiver and the condenser/sub-cooler to change the first fluid level.2. The waste heat recovery system of claim 1 , wherein the first fluid level in the condenser/sub-cooler needs lowered and the control module controls the pump to transfer liquid working fluid from the condenser and the sub-cooler to the receiver to lower the first fluid level.3. The waste heat recovery system of claim 1 , wherein the first fluid level needs raised and the control module ...

VARIABLE VALVE ACTUATION SYSTEM AND METHOD USING VARIABLE OSCILLATING CAM

A high-efficiency mechanism for variable valve actuation with increased engine architecture applicability is described. The high efficiency mechanism introduces an intermediate lever having a secondary cam profile forming a variable oscillating cam between a rotating camshaft and a rocker arm. 1. An internal combustion engine , comprising:a camshaft including a first cam;a control shaft including a second cam;a valve; anda valve actuation system adapted to be driven by the first cam and the second cam, the valve actuation system including: an intermediate arm adapted to oscillate by the action of the first cam about a first pin, the intermediate arm including a third cam formed on an end thereof and a first roller located on a second pin; a first rocker arm rotatably positioned on the control shaft and including a foot at a first end that causes movement of the valve by the action of the first cam, and a second roller at a second end opposite the first end, wherein the second roller is adapted to rotate about a third pin and the second roller is adapted to engage the third cam; and a control arm adapted to rotate about the first pin and including a third roller in contact with the second cam such that profile of the second cam causes the control arm to pivot about the third pin, forcing the intermediate arm to move, moving the third cam with respect to the second roller, thereby causing the first rocker arm to rotate about the control shaft and to change the amount the valve moves.2. The internal combustion engine of claim 1 , further including a tappet assembly positioned between the foot and the valve claim 1 , the tappet assembly including a deactivation element.3. The internal combustion engine of claim 2 , wherein the deactivation element is operable to prevent movement of the first rocker arm from causing movement of the valve.4. The internal combustion engine of claim 1 , wherein rotation of the control shaft in a first direction causes the valve to be open ...

ENCLOSURE FOR HIGH PRESSURE FUEL RAIL

The present disclosure provides an enclosure or containment assembly adapted to seal a high pressure fuel rail, and an engine system including such an enclosure or containment assembly. The assembly includes two portions that can sealingly engage to form an enclosure or compartment that contains the high pressure fuel rail. Fuel line connectors leading into the enclosure to ports of the high pressure fuel rail are in a sealing engagement with the enclosure to seal the high pressure fuel rail from the atmosphere and provide an enclosed low pressure region between the high pressure fuel rail and an inner surface of the enclosure. In this way, leaked fuel can be collected from the high pressure fuel lines and contained. The collected and contained leaked fuel can be channeled to a leak detector, which can trigger an alarm with detection of a leak. 1. A containment assembly for a high pressure fuel system , comprising:a first elongated portion having a first opening and adapted to receive a high pressure fuel rail having an elongated body, an inlet port, plural outlet ports, and a connecting member extending from the elongated body, said first elongated portion including a fastener portion configured to secure the connecting member of the high pressure fuel rail within the opening of the first elongated portion, a fuel inlet port adapted to sealingly engage a high pressure fuel line connector that connects to the inlet the high pressure fuel rail, and a leaked fuel drain port adapted connect to a low pressure fuel leakage drain line upstream of a leak detector; anda second portion adapted to cover and seal the first opening to form an enclosed compartment including a low pressure region between the high pressure fuel rail and inner surfaces of said compartment, said second portion including plural ports, each of said plural ports adapted to sealingly engage a respective high pressure fuel line connector including a high pressure fuel line and a low pressure passage, and ...

SYSTEM AND METHOD OF DPF PASSIVE ENHANCEMENT THROUGH POWERTRAIN TORQUE-SPEED MANAGEMENT

This disclosure provides a method and system for determining recommendations for vehicle operation that reduce soot production in view of a diesel particulate filter (DPF) of an exhaust aftertreatment system. Recommendations generated can reduce excessive particulate matter (PM) production during transient engine events and provide for operating conditions favorable for passive regeneration. In this way, less frequent active regeneration of the DPF is needed and/or more opportunities are provided for passive regeneration. The system and method can utilize location and terrain information to anticipate and project a window of operation in view of reducing soot production and soot loading of the DPF, or provide the operator with instruction when such opportunities are present or will soon be encountered. 1. A method to enhance the passive regeneration of a diesel particulate filter (DPF) , the method comprising:receiving current operating data indicative of a vehicle current operating state based on at least two of power demand, engine speed, engine torque, gear number, and vehicle speed;receiving terrain data indicative of terrain variation;determining a vehicle target operating state based on engine exhaust particulate matter (PM) and engine transients; andproviding an engine speed and transmission gear shift recommendation based on said vehicle target operating state to reduce at least one of said engine exhaust PM and said engine transients.2. The method of claim 1 , wherein the terrain variation is based on current vehicle location.3. The method of claim 1 , wherein the terrain variation is based on upcoming vehicle location.4. The method of claim 1 , wherein reducing said engine transients is determined on a per cylinder basis.5. The method of claim 1 , wherein said operating state is determined based on an estimated exhaust PM level present in the DPF.6. The method of claim 1 , wherein said engine speed and transmission gear shift recommendation is provided to ...

ENGINE EXHAUST AFTERTREATMENT SYSTEM

An internal combustion engine including a two-stage turbocharger configuration is described. Located between the turbines of the two-stage turbocharger may be an oxidation catalyst and a passive NOx adsorber or an oxidation catalyst and an SCR device. An exhaust path extending from an engine body of the internal combustion engine to the second turbine of the two-stage turbocharger configuration may also include one or more hydrocarbon sources or one or more ammonia sources. A bypass valve arrangement may permit decreased flow through the first stage of the two-stage turbocharger arrangement as well as one or more of the elements positioned between the turbines of the two-stage turbocharger. 1. An internal combustion engine , comprising:an engine body;an aftertreatment system;an exhaust flow path extending from the engine body to the aftertreatment system;a high-pressure turbine positioned along the exhaust flow path between the engine body and the aftertreatment system;a low-pressure turbine positioned along the exhaust flow path between the high-pressure turbine and the aftertreatment system;an oxidation catalyst positioned along the exhaust flow path between the high-pressure turbine and the low-pressure turbine; anda selective catalytic reduction device positioned along the exhaust flow path between the oxidation catalyst and the low-pressure turbine.2. The internal combustion engine of claim 1 , further including an ammonia source connected to the exhaust flow path between the engine body and the high-pressure turbine.3. The internal combustion engine of claim 2 , further including a temperature sensor positioned along the exhaust flow path and adapted to transmit a signal claim 2 , and a control module adapted to receive the signal and operable to generate a control signal for the ammonia source based at least partially on the signal received from the temperature sensor.4. The internal combustion engine of claim 1 , further including an ammonia source connected ...

EJECTOR COOLANT PUMP FOR INTERNAL COMBUSTION ENGINE

An internal combustion engine includes a cooling fluid circuit and a pumping circuit. The pumping circuit drives an ejector pump located along the cooling fluid circuit, enabling a reduced parasitic load on the engine from pumping cooling fluid through the cooling fluid circuit. 1. An internal combustion engine , comprising:an engine body;an exhaust system connected to the engine body and adapted to receive an exhaust gas from the engine body, the exhaust system including a heat exchanger;a cooling fluid circuit adapted to cool the engine body, the cooling fluid circuit containing a coolant and including a radiator; anda pumping system connected to the cooling fluid circuit at a first location between the radiator and the engine body, upstream from the engine body, and at a second location between the engine body and the radiator, downstream of the engine body, the pumping system including a fluid pump adapted to cause a portion of the coolant to flow through the heat exchanger, and an ejector pump positioned at the second location to receive the coolant from the heat exchanger to cause a pumping action on the coolant in the cooling fluid circuit to cause the coolant in the cooling fluid circuit to circulate between the engine body and the radiator.2. The internal combustion engine of claim 1 , further including a temperature sensor positioned along the pumping system downstream from the heat exchanger and operable to transmit a temperature signal claim 1 , and a control system adapted to receive the temperature signal and to transmit a control signal to the fluid pump to adjust the speed of the fluid pump based at least in part on the temperature signal.3. The internal combustion engine of claim 1 , further including a bypass valve located downstream from the fluid pump and operable to operable to adjust the amount of coolant from the fluid pump that flows into the heat exchanger and the engine body.4. The internal combustion engine of claim 3 , further including a ...

RANKINE CYCLE SYSTEM AND METHOD

A Rankine cycle waste heat recovery system uses a receiver with a maximum liquid working fluid level lower than the minimum liquid working fluid level of a sub-cooler of the waste heat recovery system. The receiver may have a position that is physically lower than the sub-cooler's position. A valve controls transfer of fluid between several of the components in the waste heat recovery system, especially from the receiver to the sub-cooler. The system may also have an associated control module. 1. A fluid management system for a Rankine cycle waste heat recovery system for an internal combustion engine , the fluid management system comprising:a fluid circuit;a condenser positioned along the fluid circuit;a sub-cooler fluidly connected to the condenser and containing a liquid working fluid;a receiver fluidly connected to the sub-cooler and containing the liquid working fluid, wherein a level of the liquid working fluid in the receiver is lower than a level of the liquid working fluid in the sub-cooler throughout all operating conditions.2. The system of claim 1 , further including a valve positioned along the fluid circuit upstream of the condenser and movable into a first position and a second position;wherein the valve second position fluidly connects a source of high-pressure vaporized working fluid to the receiver; andwherein the high-pressure vaporized working fluid causes the liquid working fluid in the receiver to flow from the receiver to the sub-cooler.3. The system of claim 1 , further including a pump fluidly connected to the sub-cooler and connected to at least one heat exchanger claim 1 , wherein the pump is operable to move the liquid working fluid in the sub-cooler to the at least one heat exchanger.4. The system of claim 3 , wherein the at least one heat exchanger is the source of the high-pressure vaporized working fluid.5. The system of claim 3 , wherein the at least one heat exchanger receives exhaust gas from an exhaust gas recirculation system.6. ...

Engine having integrated waste heat recovery

A waste heat recovery system connects a working fluid into passages formed within an internal combustion engine. The fluid passages transport the working fluid to high temperature areas of the engine, raising the temperature of the working fluid near the phase change point or above the phase change point. The heated working fluid drives an energy conversion portion located downstream from the engine. The heat absorbed by the working fluid decreases the load on an engine cooling system as well as driving an energy conversion portion, improving fuel efficiency.

SYSTEM AND METHOD OF DETECTING HYDRAULIC START-OF-INJECTION

This disclosure provides system and method that can determine hydraulic start of injection (SOI) in engines using an in-cylinder pressure sensor. The system and method determine apparent heat release rate (AHRR) curve data for the cylinder from the pressure information provided by the in-cylinder pressure sensors, and the hydraulic SOI from the derivative of the AHRR curve data. The system and method provide diagnostic, control and/or compensation opportunities for fuel injector operation in high pressure fuel rail engine systems without use of expensive or complex fuel injector components. 1. A method of detecting hydraulic start-of-injection (SOI) timing of a fuel injector following a commanded SOI for each fuel injector fluidly connected to a cylinder of an internal combustion engine , comprising:measuring pressure in a combustion chamber of the cylinder of the internal combustion engine as a function of crankshaft angle;calculating, from the measured pressure, derivative values of the apparent heat release rate (AHRR) of the cylinder as a function of the crankshaft angle;comparing each calculated derivative value with a threshold value indicating heat loss in the cylinder; anddetermining hydraulic SOI timing of the fuel injector as the crankshaft timing when the derivative value satisfies the threshold value.2. The method for detecting hydraulic SOI timing of an internal combustion engine of claim 1 , further comprising:determining an amount of delay between the determined hydraulic SOI timing and a timing of the commanded SOI.3. The method for detecting hydraulic SOI timing of an internal combustion engine of claim 2 , further comprising:adjusting a timing of the commanded SOI of the injector by an amount corresponding to the delay amount.4. The method for detecting hydraulic SOI timing of an internal combustion engine of claim 3 , wherein adjusting the timing is performed on a command timing value output from a fueling mapping or table.5. The method for ...

System and method of vehicle fuel quantity management

Systems and methods of vehicle fuel quantity management are provided to assist in determining an optimal quantity of fuel to carry on-board a vehicle. Certain routes are sufficiently short so to not require a completely filled fuel tank to traverse. Additionally, most routes have an abundance of vehicle fueling stations that provide ample refueling opportunities, thus permitting an operator to carry less fuel than might be required to complete a route. Exemplary embodiments of the present disclosure balance initial fuel loading and fuel stops to optimize the amount of freight weight that can be carried for a given route. The benefit is increased freight efficiency in transporting cargo from source to destination while maintaining drivability.

ENGINE WITH FLUID PASSAGE SEAL ASSEMBLY

This disclosure relates to an interface between an engine block and a cylinder head. The interface includes a ferrule that accommodates relative movement between the cylinder head and the engine block while maintaining sealing of fluid passages that extend between the cylinder head and the engine block. The interface thus forms a fluid passage seal assembly. 1. An internal combustion engine , comprising:an engine block including at least one block fluid passage;a cylinder head attached to the engine block and including at least one head fluid passage in fluid communication with said at least one block fluid passage;a head gasket sealingly positioned at an interface between the engine block and the cylinder head;a first counter bore formed adjacent the interface in at least one of the cylinder head in the at least one head fluid passage and the engine block in the at least one block fluid passage, the first counter bore including an inside diameter and a transverse land; anda ferrule assembly including a ferrule and a first seal, the ferrule having an outside diameter, the ferrule being positioned in at least one of the at least one block fluid passage and the at least one head fluid passage, and positioned in the first counter bore;wherein the first seal is located between the outside diameter of the ferrule and the inside diameter of the first counter bore, and the outside diameter of the ferrule and the inside diameter of the first counter bore exert a compression force on the first seal; andwherein a gap exists between an end of the ferrule and the transverse land of the first counter bore.2. The internal combustion engine of claim 1 , wherein the ferrule has a groove formed therein and the first seal is positioned within the groove.3. The internal combustion engine of claim 1 , further including a second seal and a second counter bore having an inside diameter formed adjacent the interface in the other of the cylinder head in the at least one head fluid passage ...

Accessory drive motor configuration

An accessory drive motor configuration is disclosed. One embodiment of the accessory drive motor configuration is an apparatus including an internal combustion engine having a crankshaft, wherein the crankshaft is structured to provide traction power. The apparatus further includes an accessory drive system operably coupled to a shaft. The shaft is selectively coupled to an electro-mechanical device and selectively coupled to the internal combustion engine. The shaft extends through at least a portion of the electro-mechanical device.

CONNECTING ROD WITH OFFSET CAP HOLES FOR INTERNAL COMBUSTION ENGINE

A connecting rod including a connecting rod body and a cap attached to the connecting rod body by a plurality of bolts. The connecting rod body includes a shank having a centerline. Two of the bolts are positioned at a first distance from the centerline and two of the bolts are positioned at a second distance from the centerline that is greater than the first distance. The plurality of bolts may be disposed symmetrically about a centroid of a planar face of the connecting rod. 1. A connecting rod for an internal combustion engine , comprising:a first end;a second end including a thrust face, a non-thrust face parallel with the thrust face and positioned a spaced distance from the thrust face, a first planar surface including a first pair of bolt holes located therein, a second planar surface including a second pair of bolt holes located therein, and a centroid, the first planar surface and the second planar surface positioned perpendicular to the thrust face and the non-thrust face, the centroid being positioned along the first planar surface and the second planar surface transversely equidistant from a central axis of each of the first pair of bolt holes and from each of the second pair of bolt holes; anda shank connecting the first end to the second end, the shank including a centerline extending parallel to, and positioned an offset distance from, the centroid.2. The connecting rod of claim 1 , wherein the centroid is positioned between the shank centerline and the non-thrust face.3. The connecting rod of claim 1 , wherein the offset distance between the shank centerline and centroid is approximately 3.6 percent of the spaced distance.4. The connecting rod of claim 1 , wherein the offset distance is 2.7 millimeters.5. The connecting rod of claim 1 , wherein the first planar surface and the second planar surface are asymmetric about the shank centerline.6. The connecting rod of claim 5 , wherein the first planar surface and the second planar surface include a ...

NONCIRCULAR REPLACEABLE FUEL FILTER ELEMENTS AND SYSTEMS INCLUDING THE SAME

One embodiment is a filter assembly wherein the shape of the filter is a non-circular geometry. Other embodiments include unique apparatus, devices, systems, and methods to remove contaminates from a flow of fuel while at the same time providing a unique filter and filter assembly geometry. Further embodiments, forms, objects, features, advantages, aspects, and benefits of the present application shall become apparent from the detailed description and figures included herewith. 120-. (canceled)21. An apparatus , comprising:a filter element suitable for filtering fuel having a substantially ellipsoid planar section normal to a major axis;a first endplate coupled to the filter element and having a substantially ellipsoid shape, the first endplate further including an aperture; anda second endplate coupled to the filter element, the second endplate being solid with no aperture and having a peripheral edge defining a substantially circular shape.22. The apparatus of claim 21 , further comprising a centertube coupled to one of the first endplate and the second endplate.23. The apparatus of claim 22 , wherein the centertube has a substantially ellipsoid planar section normal to the major axis.24. (canceled)25. The apparatus of claim 21 , further comprising a seal mounted to the first endplate and disposed about the aperture.26. The apparatus of claim 22 , wherein the centertube extends substantially parallel with the major axis from the first endplate to the second endplate and has a first end connected with the first endplate and a second end connected with the second endplate.27. The apparatus of claim 21 , wherein the first endplate includes a rib protruding towards the second endplate that defines the aperture in the first endplate. The present invention relates generally to filter elements and more particularly, to noncircular replaceable filter elements and systems including the same.Fuel filters are found in almost all modern internal combustion engines in one form ...

Cost-Effective Tunable Precleaner

An inertial separation air precleaner system includes a replaceable insert removably mounted to the precleaner and altering air flow velocity through the precleaner by changing flow area of the flowpath through the precleaner housing. The replaceable insert is replaceable with a different insert for the same precleaner housing, which different insert provides a different flow area through the precleaner housing, enabling a selectable precleaner efficiency vs. restriction trade-off as chosen by a user for a particular application, enabling tuning of precleaner performance by the user. 1. An air precleaner for a filter downstream thereof , comprising a precleaner housing having an inlet receiving incoming dirt laden air , vane structure imparting centrifugal force on said air to inertially separate dirt particles therefrom to preclean said air , and an outlet discharging precleaned air , said precleaner housing having a flowpath therethrough from said inlet to said outlet , a replaceable insert removably mounted to said precleaner housing and altering air flow velocity through said precleaner housing by changing flow area of said flowpath through said precleaner housing.2. The air precleaner according to claim I wherein said replaceable insert is replaceable with a different insert for the same said precleaner housing , said different insert providing a different flow area through said precleaner housing , enabling a selectable precleaner vs. restriction trade-off as chosen by a user for a particular application , enabling tuning of precleaner performance by said user for said particular application.3. The air precleaner according to wherein said inlet comprises a circular inlet having a central hub and an outer circumferential sidewall claim 2 , said vane structure comprises a plurality of vanes extending radially outwardly from said hub to said sidewall claim 2 , said sidewall being radially spaced outwardly of said hub by an annular gap therebetween claim 2 , said ...

ENGINE ARRANGEMENT FOR ENHANCED COOLING

A cylinder liner and piston configuration for an internal combustion engine includes features for improving the cooling of the piston. Specific ratios and dimensions are included to optimize the features of the cylinder liner and piston. Also included are unique piston features that assist in achieving some of the specified dimensions and ratios. 1. An internal combustion engine , comprising:an engine body;a cylinder bore formed within the engine body and having at least one coolant passage located radially outward from the cylinder bore;a cylinder liner positioned within the cylinder bore and having an internal diameter D; anda piston positioned within the cylinder liner to reciprocate along an axis, the piston including a top surface, an outside wall having an outer peripheral surface, and a groove positioned an axial distance B from the top surface;wherein a ratio of distance B to internal diameter D is less than 0.090.2. The internal combustion engine of claim 1 , wherein internal diameter D is greater than 165 millimeters and less than 275 millimeters.3. The internal combustion engine of claim 1 , wherein internal diameter D is greater than 175 millimeters and less than 275 millimeters.4. The internal combustion engine of claim 1 , wherein the ratio of distance B to internal diameter D is less than 0.085.5. The internal combustion engine of claim 1 , the piston having a gallery formed in a location radially inward from the outside wall of the piston claim 1 , the gallery extending to a location axially closer to the top surface than the groove.6. The internal combustion engine of claim 5 , the gallery having a lower portion and an upper portion claim 5 , the upper portion having a radial extent that is less than the radial extent of the lower portion.7. The internal combustion engine of claim 6 , the piston having a combustion bowl formed in the top surface claim 6 , wherein the upper portion of the gallery extends annularly around the periphery of the ...

PISTON FOR INTERNAL COMBUSTION ENGINE

A piston and an engine are provided that includes various precise configuration parameters, including dimensions, shape and/or relative positioning of combustion chamber features. More particularly, configuration parameters for a piston crown and a piston bowl located within the piston crown are provided. The piston bowl configuration results in a combustion process that yields decreased heat transfer to a cylinder head of the internal combustion engine as well as reduced NOx emissions. 1. An internal combustion engine , comprising:an engine body;a cylinder head attached to the engine body;a combustion chamber positioned between the cylinder head and the engine body; and{'b': 1', '1', '1', '1', '4', '1', '5', '3', '3, 'a piston, including a piston crown that forms a portion of the combustion chamber, located in the engine body, the piston crown including a central axis, a plurality of valve pockets arranged about the periphery of the piston crown in a plane perpendicular to the central axis, and a piston bowl positioned radially inward from the valve pockets, the piston bowl including: a compound radius including a radius R, radius R including a center of radius at a radial distance L from the central axis, radius R connected to and extending inwardly from the valve pockets; a frustoconical outer floor portion connected to the compound radius, the frustoconical outer floor portion extending a distance L from the compound radius at an angle α to a plane perpendicular to the central axis; an annular outer bowl portion including a radius R; and a spray-targeting feature positioned between the annular outer bowl portion and the frustoconical outer floor portion and including a radius R with a center of radius located at an axial distance H from the valve pockets.'}243. The internal combustion engine of claim 1 , wherein a ratio L/R is in the range of 0.2 to 3.0.331. The internal combustion engine of claim 2 , wherein a ratio of H/L is in the range of 0.15 to 0.3.41. The ...

Apparatus, method, and system for tracking hybrid savings

A vehicle includes a hybrid powertrain and a controller. The controller includes a processing device that is operatively coupled to a transmitter, a receiver, and the hybrid powertrain. The processing device is structured to monitor the hybrid powertrain, to calculate information corresponding to powertrain energy usage, and to transmit the information to a computer.

SYSTEM AND METHOD OF DETERMINING FREIGHT/LOAD DISTRIBUTION FOR MULTIPLE VEHICLES

Systems and methods of vehicle freight/load distribution are provided to assist in determining optimal freight distribution. Although it is standard practice to fill each vehicle to its maximum limit, due to the non-linear nature of engine fueling maps (that is, fueling maps vary non-linearly as a function of torque and speed), the optimal distribution may not be obtained by the standard practice. Finding a solution for the optimal freight distribution may also need to account for the cost of fueling and operator costs, particularly if the situation involves multiple vehicles not filled to capacity. The benefit is increased freight efficiency in transporting cargo from source to destination amongst a fleet of vehicles. 1. A method for determining freight distribution amongst multiple vehicles , comprising:accessing operator input data indicative of at least one operator input, said at least one operator input including at least one of route beginning and ending points to define a route, number of vehicles, maximum vehicle freight weight for each of a plurality of vehicles, and total freight weight;accessing predetermined vehicle parameter data for each of said plurality of vehicles indicative of at least one predetermined vehicle parameter, said at least one predetermined vehicle parameter including at least one of vehicle mass, vehicle drag, vehicle rolling resistance, tire circumference, front area of vehicle, powertrain torque loss, vehicle tank capacity, and engine efficiency;accessing road terrain data indicative of at least one road terrain element, said at least one road terrain element including at least one of speed limit changes, road grade, air density, position, elevation, and traffic patterns;determining a first plurality of freight distribution solutions based on said maximum vehicle freight weight for each of said vehicles and said total freight weight, each solution comprising a random distribution of freight amongst the plurality of vehicles, the ...

INTERNAL COMBUSTION ENGINE HAVING IMPROVED COOLING ARRANGEMENT

An improved cooling fluid passage configuration provides for uniformity of cooling about the entire periphery of a cylinder liner of an internal combustion engine in addition to improved cooling by increasing the flow in an upper water jacket of a split water jacket design. The cooling fluid passage configuration also provides a reduced pressure drop between a cylinder liner cooling fluid inlet and a cylinder head cooling fluid outlet when compared to conventional designs with a single head feed line, permitting use of a smaller cooling fluid pump and leading to increased efficiency of the engine. 1. An internal combustion engine , comprising:an engine body including a cylinder bore and a cooling fluid inlet communicating with the cylinder bore;a cylinder head attached to the engine block;a first head feed line and a second head feed line positioned in the engine body, the first head feed line positioned at a spaced angle along a circumference of the cylinder bore from the second head feed line;a cylinder liner positioned within the cylinder bore and cooperating with the engine block to form an upper cylinder liner water jacket and a lower cylinder liner water jacket, the lower cylinder liner water jacket positioned to receive cooling fluid from the cooling fluid inlet; anda first transfer passage located in the engine body between the first head feed line and the second head feed line at a spaced angle along the cylinder bore circumference from the second head feed line, and a second transfer passage located in the engine body between the first head feed line and the second head feed line at a spaced angle along the cylinder bore circumference from the second head feed line on an opposite side of the second head feed line from the first transfer passage, the first transfer passage and the second transfer passage positioned to provide cooling fluid flow from the lower cylinder liner water jacket to the upper cylinder liner water jacket, the upper cylinder liner ...

EMISSIONS REDUCTIONS THROUGH MULTIPLE FUEL INJECTION EVENTS

A method is disclosed including operations to interpret an engine load level for a reciprocating piston internal combustion engine. In response to determining the engine load level is less than 40% of a maximum engine load level, the method further includes operations to performing a first fuel injection event including less than 25% of a combustion fuel amount, the first fuel injection event occurring before 10 degrees after top dead center (TDC), to perform a second fuel injection event including between 15% and 65% of the combustion fuel amount, the second fuel injection event occurring after 10 degrees after TDC, and to perform third fuel injection event comprising between 10% and 85% of the combustion fuel amount, the third fuel injection event occurring before 63 degrees after TDC. 1. A method , comprising:determining whether an aftertreatment regeneration is active;determining a combustion fuel amount for an internal combustion engine including one or more reciprocating pistons;injecting the combustion fuel amount within a combustion cycle such that over 50% of the combustion fuel amount is injected more than 10 degrees after top dead center (TDC) of the one or more reciprocating pistons in response to the aftertreatment regeneration being active, wherein injecting the combustion fuel comprises performing a plurality of fuel injection events in the internal combustion engine, wherein each of the plurality of fuel injection events begin no later than 63 degrees after TDC; andcombusting the combustion fuel amount during the combustion cycle.2. (canceled)3. The method of claim 1 , further comprising determining an engine torque output request claim 1 , and adjusting the combustion fuel amount based on the timing and fuel amounts of the plurality of fuel injection events such that the internal combustion engine achieves the engine torque output request.4. The method of claim 1 , wherein a first fuel injection event occurs before 10 degrees after TDC claim 1 , and ...

COMBINED ENGINE OUT NOX MANAGEMENT

An apparatus for controlling engine operations to a low NOx output amount at low selective catalytic reduction (SCR) temperature values and alternatively for controlling engine operations in an EGR cooler bypass regime at low engine load levels is described. The apparatus includes a controller that interprets a present speed and a present load of an engine, that determines an engine operating region in response to the present speed and the present load, and that provides an EGR cooler bypass command that provides EGR cooler bypass flow in response to the engine operating region being a first, low load, region. The controller operates the engine with supplemental NOmanagement in response to the engine operating region being a second, intermediate load, region. The controller operates the engine without either of the EGR cooler bypass or the supplemental NOmanagement in response to the engine operating region being a third region. 1. A method , comprising:interpreting a present engine speed and a present engine load;determining an engine operating region in response to the present engine speed and the present engine load;operating the engine with an EGR cooler bypass in response to the engine operating region being a first region;{'sub': 'x', 'operating the engine with supplemental NOmanagement in response to the engine operating region being a second region; and'}{'sub': 'x', 'operating the engine without either of the EGR cooler bypass or the supplemental NOmanagement in response to the engine operating region being a third region.'}2. The method of claim 1 , wherein the first region comprises a low engine power region claim 1 , and wherein the second region comprises an intermediate engine power region.3. The method of claim 1 , further comprising determining a NOresponse weighting factor claim 1 , and wherein operating the engine with supplemental NOmanagement comprises operating between zero supplemental NOresponse and a full supplemental NOresponse according to ...

Exhaust Aftertreatment System with Flow Distribution

An exhaust aftertreatment system has a side inlet flow diffuser and provides even flow exhaust distribution to an aftertreatment element. 18-. (canceled)9. An exhaust aftertreatment system comprising an exhaust conduit carrying exhaust to an aftertreatment element treating said exhaust said conduit comprising an L-shaped bend having first and second legs meeting at an L-shaped junction , said second leg extending axially along an axis along an axial direction and directing exhaust to said aftertreatment element , said first leg extending laterally along a lateral direction relative to said axis and directing exhaust to said second leg , a flow distributor at said L-shaped junction and re-distributing exhaust to flow from said first leg to said second leg in an evenly distributed flow pattern to flow axially along said second leg to said aftertreatment element , wherein said flow distributor is a perforated member having a variable perforation pattern , wherein said flow distributor has an inlet end receiving exhaust flowing laterally thereinto , and a distal end laterally distally oppositely spaced from said inlet end , and said variable perforation pattern provides a diffuser outlet flow area which decreases as exhaust flows from said inlet end toward said distal end.10. The exhaust aftertreatment system according to wherein said variable perforation pattern comprises decreasing density of perforations from said inlet end toward said distal end.11. The exhaust aftertreatment system according to wherein said variable perforation pattern comprises decreasing size of perforations from said inlet end toward said distal end.1214-. (canceled)15. An exhaust aftertreatment device comprising a housing extending axially along an axis and having an upstream inlet for receiving exhaust and having a downstream outlet for discharging exhaust claim 9 , said inlet being a side inlet receiving exhaust flowing laterally into said housing relative to said axis claim 9 , an ...

FILTER APPARATUS WITH TORQUE LIMITING MECHANISM

A filter apparatus is described that has a torque limiting device, which may be a clutch mechanism, and which provides a protective function for a filter, so as to protect a filter from being over tightened and to thereby prevent damage to filter components. The clutch mechanism can also eliminate or reduce the need for torque measurement of certain filter components. The clutch mechanism can be located on one of the fluid filter, a filter head which engages the fluid filter, or a combination of both the fluid filter and the filter head. 1. A filter apparatus comprising:a fluid filter, the fluid filter includes a connective portion engageable with a filter head; anda torque limiting device disposed on the fluid filter, andthe torque limiting device includes an element that limits tightening of the fluid filter at the connective portion.2. The filter apparatus of claim 1 , wherein the torque limiting device includes a clutch mechanism claim 1 , the clutch mechanism configured to provide one way ratcheting that allows slippage in a tightening direction to limit tightening of the fluid filter and that does not allow slippage in a loosening direction.3. The filter apparatus of claim 2 , wherein the clutch mechanism includes axial ramps on an under surface of a nutplate of the fluid filter claim 2 , and axial ramps on an upper surface of an end of a shell of the fluid filter claim 2 , the axial ramps of the nutplate cooperate with the axial ramps of the shell to provide the one way ratcheting.4. The filter apparatus of claim 2 , wherein the clutch mechanism includes radial ramps on an inner radial surface of a nutplate of the fluid filter claim 2 , and radial ramps on an inner radial surface a center tube connected to a spud of the fluid filter claim 2 , the radial ramps of the nutplate cooperate with the radial ramps of the center tube to provide the one way ratcheting.5. The filter apparatus of claim 2 , wherein the clutch mechanism includes radial ramps on a radial ...

FILTER-IN-FILTER WITH FUNNEL SHAPED PASSAGEWAY

A parallel flow filter-in-filter design for a filter system is provided. The filter-in-filter design provides two distinctly parallel or independent flow paths within a filter assembly in a single housing or shell. The filter assembly includes a first outer filter element radially spaced apart from a second inner filter element. A centertube and a funnel shaped passageway housed within the centertube are provided in a space between the first outer filter element and the second inner filter element. The centertube and funnel shaped passageway work in tandem to provide two distinct parallel or independent flow paths within the filter assembly. The funnel shaped passageway is provided generally below the second inner filter element within the centertube. 1. A filter-in-filter fluid filter cartridge comprising:a first filter element;a second filter element radially spaced apart from the first filter element;a centertube positioned between the first filter element and the second filter element, the centertube having a cylindrical side wall and first and second open ends at opposite ends of the cylindrical side wall, the cylindrical side wall including a solid top portion that extends along a length of the second filter element and a bottom portion that includes a plurality of centertube flow passages that is adjacent the second open end and generally below the second filter element, the solid top portion being formed without openings to prevent fluid communication between the first filter element and the second filter element;a funnel passageway attached to an interior surface of the cylindrical side wall of the centertube above the bottom portion, the funnel passageway including a central flow passage and a plurality of perimeter funnel flow passages fluidly isolated from the central flow passage;wherein a first fluid is configured to pass through the first filter element and the centertube flow passages and the second fluid is configured to pass through the second ...

Inside-Out Flow Filter with Pressure Recovery

In an inside-out flow filter, a transition pressure recovery member is provided at the inlet and has structured contoured guide surfaces guiding fluid flow therealong into the hollow interior of an annular filter element to minimize transition pressure loss from the inlet to the hollow interior. The transition pressure recovery member includes transition flow deceleration surfaces gradually decelerating flow of fluid into the hollow interior and minimizing pressure drop.

System, method, and apparatus for treating a platinum contaminated catalytic component

An example method includes determining that a selective catalytic reduction (SCR) component having a zeolite-based catalyst is contaminated with platinum (Pt). The method further includes elevating the temperature of the SCR component to at least 600° C. in response to the determining the catalytic component is contaminated with Pt, and maintaining the elevated temperature of the catalytic component for a predetermined time period thereby restoring reduction activity of the catalyst.

VEHICLE AND HYBRID DRIVE SYSTEM

One embodiment of the present invention is a unique vehicle having a hybrid drive system. Other embodiments include unique hybrid drive systems. Still other embodiments include apparatuses, systems, devices, hardware, methods, and combinations for fluid driven actuation systems. Further embodiments, forms, features, aspects, benefits, and advantages of the present application shall become apparent from the description and figures provided herewith.

Filter with Specified Flow Path Combinations

A filter includes a plurality of annular filter elements arranged in axially staggered relation. An axial flow path includes a plurality of flow path segments, some being filtered by a respective filter element, and others bypassing a respective filter element. Various combinations are provided. 1. A filter for a housing extending axially along an axial direction and directing fluid along an axial flow path therethrough from upstream to downstream , comprising a plurality of annular filter elements for positioning in said housing , the axis of the annulus of each annular filter element extending axially along said axial direction , said annular filter elements being arranged in axially staggered relation in said housing , said plurality of annular filter elements comprising at least a first annular filter element , and a second annular filter element axially downstream of said first annular filter element , said housing having a plurality of flow path segments comprising a first flow path segment flowing axially through said first annular filter element and filtered thereby , a second flow path segment flowing axially along a path laterally adjacent said first annular filter element and unfiltered thereby , said second flow path segment being laterally adjacent said first flow path segment , a third flow path segment flowing axially through said second annular filter element and filtered thereby , a fourth flow path segment flowing axially along a path laterally adjacent said second annular filter element and unfiltered thereby , said fourth flow path segment being laterally adjacent said third flow path segment , said third and fourth flow path segments being axially downstream of said first and second flow path segments , said first flow path segment flowing serially into said fourth flow path segment , said second flow path segment flowing serially into said third flow path segment , said first flow path segment having a first subsegment and a second subsegment , ...

Filter with Tri-Flow Path Combinations

A filter includes a plurality of annular filter elements arranged in axially staggered relation. An axial flow path includes a plurality of flow path segments, some being filtered by a respective filter element, and others bypassing a respective filter element. Various combinations are provided. 1. A filter comprising a housing extending axially along an axial direction and directing fluid along an axial flow path therethrough from upstream to downstream , a plurality of annular filter elements in said housing , the axis of the annulus of each annular filter element extending axially along said axial direction , said annular filter elements being arranged in axially staggered relation in said housing , said plurality of annular filter elements comprising at least a first annular filter element , and a second annular filter element axially downstream of said first annular filter element , said housing having a plurality of flow path segments comprising a first flow path segment flowing axially through said first annular filter element and filtered thereby , a second flow path segment flowing axially along a path laterally adjacent said first annular filter element and unfiltered thereby , said second flow path segment being laterally adjacent said first flow path segment , a third flow path segment flowing axially through said second annular filter element and filtered thereby , a fourth flow path segment flowing axially along a path laterally adjacent said second annular filter element and unfiltered thereby , said fourth flow path segment being laterally adjacent said third flow path segment , said third and fourth flow path segments being axially downstream of said first and second flow path segments , said first flow path segment flowing serially into said fourth flow path segment , said second flow path segment flowing serially into said third flow path segment , a fifth flow path segment flowing axially along a path laterally adjacent said second annular filter ...

Filter with Shaped Flow Path Combinations

A filter includes a plurality of annular filter elements arranged in axially staggered relation. An axial flow path includes a plurality of flow path segments, some being filtered by a respective filter element, and others bypassing a respective filter element. Various combinations are provided.

LEAN BURN ACTIVE IGNITION ENGINE WITH AFTERTREATMENT SYSTEM AND METHOD

An engine system including a lean burn active ignition engine and aftertreatment system, and a method for operating such a system, are disclosed. In a representative embodiment, the lean burn active ignition engine includes an engine block including plural cylinders, an intake manifold adapted to provide charge air to the cylinders, an exhaust manifold, an active ignition source; and fuel and air handling systems that provide fuel/charge air mixture such that an air-to-fuel ratio of the mixed charge air and fuel in each of the engine cylinders is substantially greater than a stoichiometric quantity to achieve a lean burn condition. An exhaust gas aftertreatment system is fluidly coupled to an outlet of the exhaust manifold and includes an oxidation-reduction catalyst, and a selective catalytic reduction (SCR) catalyst fluidly coupled to the oxidation-reduction catalyst and positioned downstream of the oxidation-reduction catalyst. 1. An engine system , comprising: an engine block including plural cylinders;', 'an air handling system including an intake manifold adapted to provide charge air to the cylinders;', 'an exhaust manifold;', 'an active ignition source; and', 'a fuel injection system, which together with the air handling system is adapted to provide a mixture fuel from the injection system and charge air from the intake manifold such that an air-to-fuel ratio of the charge air/fuel mixture in each of the engine cylinders is substantially greater than a stoichiometric quantity to achieve a lean burn condition; and, 'a lean burning active ignition internal combustion engine, comprisingan exhaust gas aftertreatment system fluidly coupled to an outlet of the exhaust manifold, said aftertreatment system including an oxidation-reduction catalyst and a selective catalytic reduction (SCR) catalyst fluidly coupled to the oxidation-reduction catalyst and positioned downstream of the oxidation-reduction catalyst.2. The engine system of claim 1 , further comprising an ...

Filter Element with Percussion Band

A filter element has a reinforcement band or ring along at least a portion of the perimeter thereof and performing a support function thereat preventing or minimizing damage upon attempted percussive cleaning of the filter element by service personnel striking the perimeter against an impact surface. Alternatively, a failure band or ring is provided along at least a portion of the perimeter and performs a designated failure function to a failure condition thereat upon attempted percussive cleaning, with the failure condition providing at least one of: a) an indication to service personnel that the filter element has been damaged and should not be re-installed; and b) a deformed condition preventing re-installation. 157-. (canceled)58. A filter element for filtering fluid , comprising annular filter media having an outer circumference , and an inner circumference defining a hollow interior , and extending axially between first and second axial ends , said first axial end having an axially facing end face extending radially between inner and outer circumferences , and an end cap at said first axial end and extending axially away from said end face in a first axial direction , said second axial end being axially spaced from said first axial end along a second axial direction , said first axial direction being opposite to said second axial direction , an annular outer liner extending axially along said outer circumference and extending in said first axial direction beyond said end face and into said end cap and providing a percussion band performing a support function upon attempted percussive cleaning of said filter element by service personnel striking said first axial end at said outer circumference against an impact surface , wherein said outer liner extending into said end cap has a reinforcement segment turned away from said outer circumference and radially inwardly toward said inner circumference and providing said percussion band.59. The filter element according ...

Apparatus, system, and method for detecting engine fluid constituents

A system for detecting engine fluid constituents includes an engine having a sample channel having a conduit for a working engine fluid. The system includes an electromagnetic (EM) source that emits EM radiation through a first metal tube, where the EM radiation is EM energy at a wavelength of interest. The system further includes an EM detector that receives a remainder radiation through a second metal tube, the remainder radiation including the remaining EM radiation after passing through the sample channel. The system includes a controller that determines a composition indicator signal representative of an amount of a constituent in the working engine fluid in response to a strength of the remainder radiation, and determines a concentration of a component of interest according to the composition indicator signal.

Filter with electrical signature anti-counterfeiting feature

An anti-counterfeiting mechanism for a filter element to specifically, and preferably uniquely, identify a filter with a conductive pattern or path of conductive materials preferably either embedded (thin film circuit) under the surface, or over molded on, a portion of the filter. The conductive materials are preferably positioned at the filter end cap. The resistance of the filter element is an identifier that is preferably associated with the OEM manufacturer's labeling (such as product number) and/or other branding of the component. This electrical resistance signature permits rapid identification of counterfeit filters.

RANKINE CYCLE WASTE HEAT RECOVERY SYSTEM AND METHOD WITH IMPROVED EGR TEMPERATURE CONTROL

A waste heat recovery (WHR) system and method for regulating exhaust gas recirculation (EGR) cooling is described. More particularly, a Rankine cycle WHR system and method is described, including an arrangement to improve the precision of EGR cooling for engine efficiency improvement and thermal management. 1. An internal combustion engine , comprising:an exhaust gas recirculation (EGR) system containing an EGR gas; anda waste heat recovery (WHR) system adapted to provide cooling to the EGR gas, the WHR system including a WHR circuit, a fluid containment portion, a feed pump operable to pump a working fluid from the containment portion through the WHR circuit, at least one heat exchanger positioned downstream from the feed pump and operable to convert the working fluid from a liquid to a high-pressure vapor by transferring heat from the EGR gas to the working fluid, an energy conversion portion positioned between the heat exchanger and the containment portion, an EGR temperature control circuit connected to the WHR circuit, a thermal control unit positioned along the EGR temperature control circuit to cool the EGR gas, and a pressure reduction device positioned along the EGR temperature control circuit upstream of the thermal control unit to reduce the pressure of the working fluid sufficient to create a phase change of the working fluid.2. The internal combustion engine of claim 1 , further including a compressor positioned along the EGR temperature control circuit.3. The internal combustion engine of claim 1 , wherein the pressure reduction device includes an expansion valve positioned between the thermal control unit and the containment portion.4. The internal combustion engine of claim 3 , wherein the expansion valve is adjustable.5. The internal combustion engine of claim 1 , wherein the speed of the compressor is adjustable.6. The internal combustion engine of claim 1 , further including a recuperator positioned between the feed pump and the at least one heat ...

FUEL INJECTOR HAVING A PIEZOELECTRIC ACTUATOR AND A SENSOR ASSEMBLY

A fuel injector includes a piezoelectric actuation mechanism and a sensor configuration to measure the condition of the actuation mechanism as well as an associated fuel rail. The sensor configuration includes a piezoelectric sensor with an output signal with significantly reduced distortion that accurately reflects control signals provided to the piezoelectric actuation mechanism. 1. A fuel injector assembly for an internal combustion engine , comprising:a piezoelectric actuation portion including a piezoelectric stack having a distal end;a nozzle portion;a plunger positioned axially between the nozzle portion and the piezoelectric stack and adapted for movement by said piezoelectric stack;a piezoelectric sensor positioned between the piezoelectric actuation portion and the plunger, the piezoelectric sensor adapted to generate an output signal; anda rigid body positioned axially between the distal end of the piezoelectric stack and the piezoelectric sensor to position the piezoelectric sensor a spaced distance from the distal end of the piezoelectric stack, the rigid body including a first surface positioned to support the piezoelectric sensor and a second surface positioned to receive a force from the piezoelectric stack.2. The fuel injector assembly of claim 1 , wherein the nozzle portion includes a nozzle housing and a needle valve element positioned in the nozzle housing.3. The fuel injector assembly of claim 1 , wherein the piezoelectric sensor and the rigid body are attached to form a sensor assembly.4. The fuel injector assembly of claim 3 , wherein the rigid body is a carrier for the sensor and includes a side wall having a lip formed thereon and adapted to secure the piezoelectric sensor in the carrier.5. The fuel injector assembly of claim 1 , wherein the piezoelectric sensor provides a positive output signal in response to expansion of the piezoelectric stack.6. The fuel injector assembly of claim 5 , wherein the output signal from the piezoelectric ...

Nh3 emissions management in a nox reduction system

A system includes an internal combustion engine producing an exhaust gas, an aftertreatment system receiving the exhaust gas, the aftertreatment system including a particulate filter positioned upstream of an SCR catalyst component, and a urea injector operatively coupled to the aftertreatment system at a position upstream of the SCR catalyst component. The system further includes a controller that interprets an exhaust temperature value, an ambient temperature value, and a urea injection amount. The controller determines a urea deposit amount in response to the exhaust temperature value, the ambient temperature value, and the urea injection amount, and initiates a desoot regeneration event in response to the urea deposit amount. The desoot regeneration event includes operating the engine at a urea decomposition exhaust temperature.

CYLINDER LINER SEAL ARRANGEMENT AND METHOD OF PROVIDING THE SAME

A cylinder liner sealing arrangement for an internal combustion engine including a cylinder block having cylinder bores, a cylinder head, a cylinder liner within each cylinder bore and a circumferential cut-out formed in the upper and outer surfaces of the cylinder liner. A circular sealing ring is positioned in the circumferential cut-out with the sealing ring contacting at least the cylinder block and the cylinder liner to form a coolant seal therebetween. The sealing ring includes a seal enhancing configuration formed on at least an outer circumferential surface of the sealing ring with the seal enhancing configuration including at least one of an arcuate portion of a “D” ring seal or a plurality of circumferentially extending ribs. Replacing the cylinder liner seal includes removing the cylinder head while maintaining the position of the cylinder liner within the respective cylinder bore, removing an upper liner seal from within the circumferential cut-out while maintaining the position of the cylinder liner within the cylinder bore, positioning a replacement sealing ring in the circumferential cut-out while maintaining the position of the cylinder liner within the cylinder bore and replacing the cylinder head on the cylinder block of the engine. 1. A cylinder liner sealing arrangement for an internal combustion engine , comprising:a cylinder block having at least one cylinder bore;a cylinder head, said cylinder head being rigidly attached to said cylinder block;a cylinder liner within said at least one cylinder bore formed in said cylinder block, said cylinder liner having a substantially cylindrical upper outer surface and a substantially planar top surface;a circumferential cut-out formed in the substantially cylindrical upper outer surface and the substantially planar top surface of the cylinder liner; andan upper liner seal positioned in said circumferential cut-out;wherein said upper liner seal contacts at least said cylinder block and said cylinder liner ...

Rotating Separator with Housing Preventing Separated Liquid Carryover

A rotating separator has a housing preventing separated liquid carryover. A plenum between the annular rotating separating filter element and the housing sidewall has one or more flow path separating guides minimizing the flow of separated liquid to the outlet. The flow path guides may include one or more fins and/or swirl flow dampers and/or a configured surface. 1. A rotating separator for separating liquid from a fluid mixture , comprising a separator assembly comprising a housing , and an annular rotating separating filter element rotating about an axis extending along an axial direction in said housing , said annular rotating separating filter element having an inner periphery defining a hollow interior , and having an outer periphery , said housing having a sidewall with an inner surface facing said outer periphery of said annular rotating separating filter element and spaced along a radial direction radially outwardly of said annular rotating separating filter element by a plenum therebetween , said housing having an inlet for supplying said mixture to said hollow interior , said housing having an outlet delivering a separated component of said mixture from said plenum , said housing having a drain delivering separated liquid from said plenum , the direction of flow through said annular rotating separating filter element being inside-out from said hollow interior through said annular rotating separating filter element to said plenum , said plenum having one or more flow path separating guides minimizing the flow of separated liquid to said outlet.2. The rotating separator according to wherein said one or more flow path separating guides guide said separated liquid toward said drain.3. The rotating separator according to wherein said one or more flow path separating guides comprise one or more fins extending into said plenum from said inner surface of said sidewall of said housing.4. The rotating separator according to wherein said fins are arcuately spaced ...

SPIN-ON FILTER WITHOUT A NUT PLATE

A spin-on filter that eliminates the use of a nut plate and reduces the number of separate components. Instead, the spin-on filter utilizes the end plate of the filter cartridge to perform a number of functions, including closing the open end of the filter shell, sealing between the dirty and clean fluid sides, sealing between the filter and the mounting head to prevent leakage outside the filter to environment, attaching the filter cartridge to the shell, and sealing the end of the filter media. 1. A spin-on filter comprising:a shell having an end wall defining a closed end of the shell, and a side wall extending from the end wall, the side wall having an end opposite the end wall that defines an open end of the shell, the end wall and the sidewall defining an interior space of the shell between the closed end and the open end, the end of the side wall includes threads adjacent the open end configured to connect the shell to a mounting head; filter media suitable for filtering a fluid, the filter media defining an inner space;', 'a center tube in the inner space and supporting an interior surface of the filter media;', 'a first, closed end plate attached to a first end of the filter media, the closed end plate is adjacent to the closed end of the shell;', 'a second end plate attached to a second end of the filter media, the second end plate is positioned adjacent to and closes the open end of the shell;', 'the second end plate includes a perimeter edge attached to the end of the side wall of the shell, a central fluid passageway in fluid communication with the inner space, and a plurality of fluid passageways positioned between the perimeter edge and the central fluid passageway in fluid communication with the interior space; and', 'the second end plate includes first and second seals integrally formed therewith, the first seal is located adjacent to and is circumferentially continuous around the central fluid passageway to enable sealing with the mounting head to ...

GENSET ENGINE USING AN ELECTRONIC FUEL INJECTION SYSTEM INTEGRATING AN ALCOHOL SENSOR

A genset system that includes a genset assembly, an electronic fuel injection (EFI) system and an alcohol sensor and a method of controlling air-to-fuel ratio using the genset system are described. The genset assembly includes a genset engine that (1) is capable of running on at least one of gasoline and alcohol, (2) is an air-cooled engine, and (3) operates at a rich air-to-fuel ratio (AFR). The EFI system includes an electronic control unit that is configured to determine a requested AFR based on the data from the alcohol sensor and the data from the air flow sensor, and based on the determined requested relative AFR, the electronic control unit is configured to actuate the fuel injector such that the fuel in an amount sufficient for obtaining an air/fuel mixture that is at the determined requested relative AFR is injected into the intake system. 1. A genset system comprising:an engine that is capable of running on fuel that includes at least one selected from the group consisting of gasoline and alcohol;a generator that is driven by the engine;an intake system that receives air and is in fluid communication with the engine;a fuel injector that injects the fuel into the intake system so as to form an air/fuel mixture within the intake system,an electronic control unit,an air flow sensor that measures an air flow of the intake system,an alcohol sensor that measures the amount of alcohol in the fuel that is supplied to the fuel injector,a first communication circuitry linking the electronic control unit and the alcohol sensor,a second communication circuitry linking the electronic control unit and the fuel injector, anda third communication circuitry linking the electronic control unit and the air flow sensor, andwherein data from the alcohol sensor and air flow sensor are transmitted to the electronic control unit via the first and third communication circuitry,wherein the electronic control unit is configured to determine a requested relative air to fuel ratio ...

FILTER AND FILTER MEDIA HAVING REDUCED RESTRICTION

A pleated filter media comprises a plurality of pleats comprised of pleat segments extending in an axial direction between first and second axial ends and extending in a transverse direction that is perpendicular to the axial direction between first and second sets of pleat tips at least partially defined by first and second sets of bend lines. Axial flow channels are defined between the pleat segments in the lateral direction and the plurality of pleats has a width in the transverse direction that varies along the axial direction. 1. A pleated filter media extending in an axial direction , a transverse direction that is perpendicular to the axial direction , and a lateral direction that is perpendicular to the axial direction and perpendicular to the transverse direction , the pleated filter media comprising:a plurality of pleats comprised of pleat segments extending in the axial direction between first and second axial ends and extending in the transverse direction between first and second sets of pleat tips which are at least partially defined by first and second sets of bend lines;wherein axial flow channels are defined between the pleat segments in the lateral direction;wherein the plurality of pleats has a width in the transverse direction that varies along the axial direction at least along a portion of the plurality of pleats; andwherein the portion of the plurality of pleats comprises at least a first linear portion extending at an angle to the axial direction and a second linear portion extending at an angle to the axial direction.2. A pleated filter media according to claim 1 , wherein the first linear portion extends along the first set of bend lines and wherein the second linear portion extends along the second set of bend lines.3. A pleated filter media according to claim 2 , wherein the first linear portion is defined by a first plurality of sunken pleats along the first set of bend lines; and wherein the second linear portion is defined by a second ...

System for controlling an air handling system including an electric pump-assisted exhaust gas recirculation

A system controlling an air handling system for an internal combustion engine. An EGR valve in-line with an EGR passageway fluidly coupled between exhaust and intake manifolds of the engine is controllable between fully closed open positions to control a flow rate of exhaust gas through the EGR passageway. A control circuit determines a pump enable value as a function of at least one of a target engine speed and a total fueling target, determines a maximum achievable flow rate of recirculated exhaust gas through the EGR passageway with the EGR valve in the fully open position, and activates an electric gas pump to increase the flow rate of exhaust gas through the EGR passageway if the pump enable value exceeds a threshold pump enable value and a target flow rate of recirculated exhaust gas through the EGR passageway is less than the maximum achievable flow rate.

MEASUREMENT SYSTEMS ANALYSIS SYSTEM AND METHOD

This disclosure provides a method and system for measurement system analysis (MSA) that present a structured and effective way of performing an MSA. The MSA system and method involves determination of a category of MSA for a measurement system based on an application of the measurement system, a quantification of measurement variation, calculation of a decision rule value based on the quantified measurement variation and a decision rule associated with the determined category, a determination of whether the measurement system is capable of performing MSA for the category based on a comparison of the calculated decision rule value and a decision rule threshold value, and applying a measurement system determined as capable for performing MSA to manage. 1. A method for measurement system analysis (MSA) , comprising:determining a category of MSA for a measurement system based on an application of the measurement system;quantifying measurement variation;calculating a decision rule value based on the quantified measurement variation and a decision rule associated with the determined category;determining whether the measurement system is capable for performing MSA for the category based on a comparison of the calculated decision rule value and a first decision rule threshold value; andapplying a measurement system determined as capable for performing MSA to manage the quality of a manufacturing process or assist in the definition of product design.2. The method according to claim 1 , wherein the step of quantifying measurement variation includes:identifying at least one source of measurement variation; andselecting a method of quantifying an identified source of measurement variation from a first group of methods if the source of measurement variation can be quantified experimentally or selecting a method of quantifying an identified source of measurement variation from a second group of methods if the source of measurement variation cannot be quantified experimentally.3. ...

SCR CONTROL SYSTEM UTILIZING A DIFFERENTIAL NH3 AND NOX MEASUREMENT USING AN EXHAUST GAS SENSOR COUPLED WITH A MICRO SCR CATALYST

Systems and method are disclosed in which a portion of an exhaust gas stream is received into an exhaust outlet flow path downstream of a first selective catalytic reduction (SCR) catalyst and upstream of a second SCR catalyst. The removed portion is treated with a diagnostic SCR catalyst element and an NHconcentration composition of the treated removed portion is determined. The NHconcentration is used to control injection of reductant upstream of the first SCR catalyst. 1. A method , comprising:receiving a portion of an exhaust gas stream into an exhaust outlet flow path, wherein the portion of the exhaust gas stream is downstream of a first selective catalytic reduction (SCR) catalyst and upstream of a second SCR catalyst that receives a second portion of the exhaust gas stream;treating the removed portion with a diagnostic SCR catalyst element;{'sub': '3', 'determining a composition of the treated removed portion, wherein the determining comprises determining an NHconcentration;'}{'sub': '3', 'determining an actuator response function in response to at least one operating condition of the first SCR catalyst, wherein the actuator response function comprises a reductant injector response as a function of the amount of NH;'}{'sub': '3', 'determining a reductant injection amount in response to the amount of NHand the actuator response function; and'}injecting an amount of reductant upstream of the first SCR catalyst in response to the reductant injection amount.2. The method of claim 1 , wherein the actuator response function includes a response discontinuity.3. The method of claim 2 , wherein the actuator response function includes a high response value and a low response value claim 2 , wherein the high response value comprises an ammonia to NOratio greater than a current stoichiometric value claim 2 , and wherein the low response value comprises an ammonia to NOratio lower than the current stoichiometric value.4. The method of claim 3 , further comprising ...

FLOW LIMITER ASSEMBLY FOR A FUEL SYSTEM OF AN INTERNAL COMBUSTION ENGINE

A flow limiter for a fuel system is provided. The flow limiter includes a self-contained portion that enables testing of the flow limiter prior to assembly into a fuel system. A housing of the flow limiter is arranged to provide reduced or no pressure differential across a wall of the housing, permitting the housing to be reduced in size and thickness and providing improved consistency of operation. 1. A fuel flow limiter assembly for a high-pressure fuel system , comprising:an outer housing containing a housing bore to receive high-pressure fuel and an inner wall forming the housing bore;a flow limiter housing including a longitudinal axis, a first portion, a second portion positioned in the housing bore upstream from the first portion, and a fuel flow passage extending through the second portion to receive high-pressure fuel, the second portion including an outer surface positioned a spaced radial distance from the inner wall to form a gap fluidly connected to the housing bore to receive high-pressure fuel; anda flow limiter plunger mounted in the fuel flow passage for reciprocal movement between a first position permitting fuel flow through the fuel flow passage and a second position blocking flow through the fuel flow passage.2. The assembly of claim 1 , wherein the gap extends axially along the longitudinal axis an entire length of the flow limiter plunger.3. The assembly of claim 1 , further including a filter positioned in the fuel flow passage upstream of the flow limiter plunger.4. The assembly of claim 3 , wherein the gap extends axially along the longitudinal axis an entire length of the filter.5. The assembly of claim 4 , wherein the gap extends axially along the longitudinal axis an entire length of the flow limiter plunger.6. The assembly of claim 1 , wherein the second portion includes an upstream distal end claim 1 , the gap extending annularly around the second portion and extending axially from the upstream distal end along the entire length of the ...

Engine Air Management System

An engine air management system is provided for an internal combustion engine generating blowby gas in a crankcase containing engine oil and oil aerosol. The system includes combinations of two or more of an air-oil separator, an air filter, and an acoustic silencer. 1. An engine air management system for an internal combustion engine generating blowby gas in a crankcase containing engine oil and oil aerosol , said system comprising a combined crankcase ventilation filter and air cleaner comprising an air-oil separator having an inlet receiving blowby gas and oil aerosol from said crankcase , and having an air outlet discharging clean blowby gas , and an oil outlet discharging scavenged separated oil , said system further comprising a combustion air intake supplying combustion air to said engine , said combustion air intake including an air filter supplying clean combustion air to said engine.2. The engine air management system according to wherein said air outlet of said air-oil separator supplies clean blowby gas to said combustion air intake.3. The engine air management system according to wherein said combustion air flows from upstream to downstream through said combustion air intake claim 2 , including through said air filter claim 2 , to said engine claim 2 , and wherein said air outlet of said air-oil separator supplies clean blowby gas to said combustion air intake downstream of said air filter.4. The engine air management system according to wherein said combustion air flows from upstream to downstream through said combustion air intake claim 2 , including through said air filter claim 2 , to said engine claim 2 , and wherein said air outlet of said air-oil separator supplies clean blowby gas to said combustion air intake upstream of said air filter.5. (canceled)6. The engine air management system according to comprising a housing having first claim 1 , second and third ports claim 1 , said first and second ports being inlet ports claim 1 , said third port ...

MODULAR SKID BASE

A modular skid base is provided for supporting, for example, a power generation system that includes a prime mover (e.g., an engine) and a driven machine (e.g., an alternator; a generator; a compressor; a pump; a gear drive for, for example, heavy industrial applications; or any other type of load device). The modular skid base includes a pair of first support skid rails and a pair of second support skid rails. The modular skid base also includes an overlapping section that includes a portion of the second support skid rails overlapping a portion of the first support skid rails along a length direction of the modular skid base. The overlapping section can provide stiffness where required without adding height and mass to the entire modular skid base. 1. A modular skid base for supporting a prime mover and a driven machine , the modular skid base comprising:a pair of first support skid rails, each of the first support skid rails having an inner surface along a length of the respective first support skid rails and an outer surface along the length of the respective first support skid rails;a pair of second support skid rails connected to the first support skid rails, each of the second support skid rails having an inner surface along a length of the respective second support skid rails and an outer surface along the length of the respective second support skid rails; andan overlapping section that includes a portion of the inner surface of each of the second support skid rails overlapping a portion of the outer surface of each of the first support skid rails, the overlapping section extending along a length direction of the first and second support skid rails.2. The modular skid base of claim 1 , wherein the length of the overlapping section is at least two times the height of the first and second support skid rails of the modular skid base.3. The modular skid base of claim 1 , further comprising:a first cross member connecting one of the first support skid rails to ...

GENERATOR SET MOUNT

A system and apparatus for a slip joint mount is disclosed to accommodate thermal expansion of a generator set on a base. One embodiment includes an electric generator driven by a prime mover and an equipment mount coupled to the prime mover. A base includes a mounting aperture and means for retaining the equipment mount to the mounting aperture. Also disclosed is means for allowing for movement of the equipment mount with respect to the mounting aperture due to thermal expansion of a portion of the prime mover. 1. An apparatus , comprising:an electric power generator;a prime mover to drive the generator, the prime mover including a first mounting aperture and being comprised of a first material having a first thermal coefficient of expansion;a base including a second mounting aperture and being comprised of a second material having a second thermal coefficient of expansion different than the first thermal coefficient of expansion, at least one of the first aperture and the second aperture being sized to accommodate displacement between the prime mover and the base caused by a difference between the first thermal coefficient of expansion and the second coefficient of expansion; at least one compression washer; and', 'a fastening member extending through the first mounting aperture, the second mounting aperture, and the compression washer, the fastening member being secured to exert a compressive force on the compression washer to maintain the connection between the prime mover and the base over the range of displacement., 'a slip joint mount to connect the prime mover and the base over a range of the displacement of the prime mover relative to the base, the slip joint mount including2. The apparatus of claim 1 , wherein:the compression washer is a conical spring washer; andthe fastening member includes a threaded end portion opposite a head, and further comprising a threaded nut to secure the fastening member.3. The apparatus of claim 1 , wherein the first material ...

DIFFERENTIAL NH3 AND NOX MEASUREMENT USING AN EXHAUST GAS SENSOR COUPLED WITH A MICRO SCR CATALYST

Systems and methods are disclosed that include an exhaust gas stream produced by an engine and an aftertreatment system including an SCR catalyst element receiving at least a portion of the exhaust gas stream. An exhaust outlet flow path has an inlet fluidly coupled to the exhaust gas stream at a position downstream of at least a portion of the SCR catalyst element that bypasses at least a portion of exhaust gas stream to provide for compositional measurement of the exhaust gas with a compositional sensor located downstream of a diagnostic catalyst positioned in the exhaust outlet flow path. 1. A system , comprising:an internal combustion engine producing an exhaust gas stream as a byproduct of operation;an SCR catalyst element receiving at least a portion of the exhaust gas stream;an exhaust outlet flow path having an inlet fluidly coupled to the exhaust gas stream at a position downstream of the SCR catalyst element and upstream of an outlet of exhaust gas stream;a diagnostic SCR catalyst element receiving a portion of the exhaust gas stream through the exhaust outlet flow path; and{'sub': 3', 'x, 'a compositional sensor disposed in the exhaust outlet flow path at a position downstream of the diagnostic SCR catalyst element, the compositional sensor structured to determine one of an NHconcentration and a NOconcentration in the exhaust outlet flow path.'}2. The system of claim 1 , further comprising a vacuum pump structured to pull the portion of the exhaust gas stream through the exhaust outlet flow path.3. The system of claim 2 , wherein the vacuum pump vents the exhaust outlet flow path.4. The system of claim 1 , further comprising an outlet of the exhaust outlet flow path fluidly coupled to the exhaust gas stream at a position downstream of a second SCR catalyst element.5. The system of claim 4 , wherein the outlet of the exhaust outlet flow path comprises a flared portion.6. The system of claim 4 , further comprising a means for pulling the portion of the ...

FUEL INJECTOR WITH INJECTION CONTROL VALVE ASSEMBLY

A fuel injector control valve is provided that includes a drain circuit for directing the flow of fuel away from temperature sensitive components of a fuel injector in which the fuel injector control valve is positioned. The drain circuit includes at least one portion that directs drain fuel axially inward or toward a fuel injector orifice, and away from an actuator of the fuel injector. 1. A fuel injector for injecting fuel at high pressure into a combustion chamber of an internal combustion engine , comprising:an injector body including a longitudinal axis, an outer housing, an injector cavity, a fuel delivery circuit, and an injector orifice communicating with one end of the injector cavity to discharge fuel from the fuel delivery circuit into the combustion chamber;a nozzle valve element positioned in one end of the injector cavity adjacent the injector orifice, the nozzle valve element movable between an open position in which fuel may flow through the injector orifice into the combustion chamber and a closed position in which fuel flow through the injector orifice is blocked;a control volume positioned to receive a pressurized supply of fuel;a drain circuit positioned to drain fuel from the control volume toward a low pressure drain, the drain circuit including an axially inward flow passage extending along the longitudinal axis toward the injector orifice and positioned to receive drain fuel flow from the control volume to direct drain fuel flow in a direction along the longitudinal axis toward the injector orifice; andan injection control valve positioned along the drain circuit to control fuel flow from the control volume, the injection control valve including a valve housing, a control valve member positioned in the valve housing to move between an open position permitting flow through the drain circuit and a closed position blocking flow through the drain circuit, and an actuator positioned in the valve housing to cause movement of the control valve ...

APPARENT PLUMBING VOLUME OF AIR INTAKE AND FRESH AIRFLOW VALUE DETERMINATION

An apparatus for fresh airflow determination includes an operating conditions module that interprets a MAF value, a current operating condition and a charge flow value. The apparatus further includes a volume estimation module that determines an apparent plumbing volume of an air intake assembly in response to the MAF value, the current operating condition and the charge flow value. The apparatus further includes a volume reporting module that provides the apparent plumbing volume. 1. A system , comprising:an internal combustion engine having an air intake assembly;a mass airflow (MAF) sensor operably coupled to the air intake assembly; an operating conditions module structured to interpret a MAF value, a current operating condition, and a charge flow value;', 'a volume estimation module structured to determine an apparent plumbing volume of the air intake assembly in response to the MAF value, the current operating condition and the charge flow value; and', 'a volume reporting module structured to provide the apparent plumbing volume., 'a controller comprising2. The system of claim 1 , wherein the internal combustion engine is a diesel engine.3. The system of claim 1 , further comprising an exhaust gas recirculation (EGR) system having an EGR outlet operably coupled to the air intake assembly downstream of the MAF sensor.4. The system of claim 3 , wherein the air intake assembly further comprises a turbocharger having an air inlet claim 3 , the air inlet operably coupled to the air intake assembly upstream of the EGR outlet and downstream of the MAF sensor.5. The system of claim 3 , wherein the operating conditions module is further structured to interpret an EGR off operating condition; andwherein the volume estimation module is further structured to determine the apparent plumbing volume in response to the EGR off operating condition.6. The system of claim 5 , further comprising an EGR control valve operably coupled to the EGR system claim 5 , wherein the EGR ...

Filter Element with Percussion Band

A filter element has a reinforcement band or ring along at least a portion of the perimeter thereof and performing a support function thereat preventing or minimizing damage upon attempted percussive cleaning of the filter element by service personnel striking the perimeter against an impact surface. Alternatively, a failure band or ring is provided along at least a portion of the perimeter and performs a designated failure function to a failure condition thereat upon attempted percussive cleaning, with the failure condition providing at least one of: a) an indication to service personnel that the filter element has been damaged and should not be re-installed; and b) a deformed condition preventing re-installation. 157-. (canceled)58. A filter element for filtering fluid , comprising annular filter media having an outer circumference , and an inner circumference defining a hollow interior , and extending axially between first and second axial ends , said first axial end having an axially facing end face extending radially between inner and outer circumferences , and an end cap at said first axial end and extending axially away from said end face in a first axial direction , said second axial end being axially spaced from said first axial end along a second axial direction , said first axial direction being opposite to said second axial direction , an annular outer liner extending axially along said outer circumference and extending in said first axial direction beyond said end face and into said end cap and providing a percussion band performing a support function upon attempted percussive cleaning of said filter element by service personnel striking said first axial end at said outer circumference against an impact surface , wherein said outer liner extending into said end cap has a reinforcement segment turned away from said outer circumference and radially inwardly toward said inner circumference and providing said percussion band.59. The filter element according ...