System and method for engine starting

A system for an engine of a vehicle, comprising of a cylinder of the engine, a first injector configured to inject a first fuel to said cylinder, a second injector configured to inject a second fuel to said cylinder, and a controller configured to, during a first operating condition, commence combustion in the engine by injecting fuel into said cylinder from only said first injector during a first start, and during a second operating condition, to commence combustion in the engine by injecting fuel into said cylinder from only said second injector during a second start. In this way, appropriate injection can be executed according to the operation condition, thereby obtaining high effective engine starting in changing condition.

Multi-stroke cylinder operation in an internal combustion engine

A system and method to control engine valve timing to during the start of an internal combustion engine. Valves that may be deactivated are controlled in a manner to reduce hydrocarbon emissions during the start of an internal combustion engine.

Engine control to compensate for fueling dynamics

A method for calculating transient fuel wall wetting characteristics of an operating engine is described. The method accounts for cylinder valve deactivation of cylinders in the engine in calculating the dynamic fueling compensation. In one example, fuel vaporization effects from fuel puddles in deactivated cylinders is considered when calculating the fueling compensation for active cylinders.

Quick starting engine with electromechanical valves

A system and method to control engine valve timing so that an internal combustion engine may be quickly started. Electromechanical valves are controlled to allow an engine to start with reduced cranking time. The method controls intake and exhaust valves without an explicit four-stroke engine cycle during a start.

System and method for engine starting

A system for an engine of a vehicle, comprising of a cylinder of the engine, a first injector configured to inject a first fuel to said cylinder, a second injector configured to inject a second fuel to said cylinder, and a controller configured to, during a first operating condition, commence combustion in the engine by injecting fuel into said cylinder from only said first injector during a first start, and during a second operating condition, to commence combustion in the engine by injecting fuel into said cylinder from only said second injector during a second start.

Reducing noise, vibration, and harshness in a variable displacement engine

A method for operating an engine of a vehicle, the engine having one or more deactivatable cylinders, the method including controlling the stability of a vehicle in response to vehicle acceleration, and reactivating or deactivating combustion in at least a cylinder in response to vehicle acceleration.

FUEL SYSTEM FOR MULTI-FUEL ENGINE

An engine system and corresponding control method are described. As one example, the control method includes transferring one type of fuel from one fuel tank to a second fuel tank holding another type of fuel and adjusting an engine operating parameter based on the blended fuel mixture by selective operation of a first and second fuel pump.

METHOD TO REDUCE ENGINE EMISSIONS FOR AN ENGINE CAPABLE OF MULTI-STROKE OPERATION AND HAVING A CATALYST

A method to control valves in a cylinder operating in a multi-stroke cylinder mode. Valves are controlled to improve engine emissions as operating conditions vary.

Reducing engine emissions of an engine with electromechanical valves

LAP MOUNTED INFLATABLE BAG AND METHOD OF USE

A vehicle restraint system for a seated occupant including an inflatable member (18) mounted on a lap belt (16) and restrained by the belt when inflated. The inflatable member (18) is sized and shaped so that one surface (18a) functions to limit rotation of the inflatable member (18) by engaging a substantial area including the occupant's lap and the seat thereunder. A rearward surface (18b) of the inflatable member (18) restrains occupant's torso movement. The belt (16) may pass through or around the inflatable member (18). © KIPO & WIPO 2007 ...

Fuel system for multi-fuel engine

An engine system and corresponding control method are described. As one example, the control method includes transferring one type of fuel from one fuel tank to a second fuel tank holding another type of fuel and adjusting an engine operating parameter based on the blended fuel mixture by selective operation of a first and second fuel pump.

Valve control to reduce modal frequencies that may cause vibration

A method to reduce chassis vibration in an engine with valves that may be deactivated. Valves are controlled to avoid exciting modal frequencies of mechanical components and systems.

Method to reduce engine emissions for an engine capable of multi-stroke operation and having a catalyst

A method to control valves in a cylinder operating in a multi-stroke cylinder mode. Valves are controlled to improve engine emissions as operating conditions vary.

Air estimation system and method

A system and method for estimating air entering a cylinder of an internal combustion engine uses a discrete algorithm based on a measurement of air entering a manifold. The filter parameter of the algorithm is independent of ambient operating conditions when the algorithm is executed at constant intervals of engine rotation.

Warm up strategy for ethanol direct injection plus gasoline port fuel injection

A system for an engine, comprising of a cylinder of the engine; a first injector configured to inject a first substance to said cylinder; a second injector configured to inject a second substance to said cylinder; and a controller configured to commence combustion in the engine by injecting fuel into said cylinder, where said fuel is injected by only one of said first and second injectors during said start and/or warm-up.

Starting an engine with valves that may be deactivated

Internal Combustion Engine Shut-Down for Engine Having Adjustable Valves

A method for operating an engine in a vehicle, the engine having at least a cylinder, the method comprising generating engine braking torque to stop rotation of the engine in a desired range by opening and closing at least an electrically actuated valve of the cylinder more than once during a cycle of the cylinder.

Warm up strategy for ethanol direct injection plus gasoline port fuel injection

A system for an engine, comprising of a cylinder of the engine, a first injector configured to inject a first substance to said cylinder, a second injector configured to inject a second substance to said cylinder; and a controller configured to commence combustion in the engine by injecting fuel into said cylinder, where said fuel is injected by both said first and second injectors during said start.

Electromechanically Actuated Valve Control for an Internal Combustion Engine

A system and method to control engine valve operation in an internal combustion engine. Valves are controlled to improve vehicle drivability and reduce vehicle noise.

Cylinder and valve mode control for an engine with valves that may be deactivated

A method to select cylinder and valve operational modes in an internal combustion engine with valves that may be deactivated. A simplified method to select cylinder and valve modes is presented.

Engine control to compensate for fueling dynamics

A method for calculating transient fuel wall wetting characteristics of an operating engine is described. The method accounts for cylinder valve deactivation of cylinders in the engine in calculating the dynamic fueling compensation. In one example, fuel vaporization effects from fuel puddles in deactivated cylinders is considered when calculating the fueling compensation for active cylinders.

INFLATION METHOD AND APPARATUS OF INFLATABLE OBJECT

An inflator device (100) that is adapted for producing a sufficient quantity of a gaseous product to substantially inflate an inflatable member (103) is disclosed. The inflator device (100) has a first stage gas source (101) in fluid communication with a second stage gas source (102), which, in turn, is in fluid communication with the inflatable member (103). The second stage gas source (102) contains a liquified gas (11) in an amount sufficient to inflate the inflatable member upon vaporization of the liquified gas (11), and the first stage gas source (101) is capable of providing a sufficient quantity of gas at a sufficiently high temperature to the second stage gas source (102) to vaporize substantially all of the liquified gas (11) in the second stage gas source (102). © KIPO & WIPO 2007 ...

Multi-stroke cylinder operation in an internal combustion engine

A method for starting an internal combustion engine of a hybrid-electric vehicle having a controller, the engine having a plurality of cylinders, each with at least an intake and exhaust valve, each of which may be held in a position for a cycle of a cylinder, the method comprising of deactivating a plurality of cylinders in said engine in response to a signal from the controller of the hybrid-electric vehicle by mechanically deactivating valves in each cylinder of the engine, the deactivation in response to a request from the controller of the hybrid-electric vehicle and to reduce a number of operating valves in each cylinder of the engine.

System and method for restarting an engine

Various systems and methods are described for controlling an engine in a vehicle, the engine being coupled to a transmission. One example method comprises, under selected braking conditions, shutting-off the engine and spinning-down the engine to rest while the vehicle is traveling, and in response to a foot-off-brake event, restarting the engine by at least partially engaging the transmission to assist in spinning-up of the engine from rest while the vehicle is traveling.

Valve selection for an engine operating in a multi-stroke cylinder mode

A method to control valve patterns in a cylinder operating in a multi-stroke cylinder mode. Valves are controlled to improve drivability and emissions.

FUEL DELIVERY SYSTEM FOR MULTI-FUEL ENGINE

A fuel delivery system for an internal combustion engine is provided, which includes a valve including at least a first valve setting and a second valve setting; a first fuel storage tank fluidly coupled with a first fuel receiving end of the valve; a second fuel storage tank fluidly coupled with a second fuel receiving end of the valve; a port fuel injector fluidly coupled with a first fuel dispensing end of the valve, said port fuel injector configured to deliver fuel to a cylinder of the internal combustion engine; a direct fuel injector fluidly coupled with a second fuel dispensing end of the valve, said direct fuel injector configured to deliver fuel to the cylinder of the internal combustion engine; and a control system configured to selected one of the first valve setting and the second valve setting in response to an operating condition.

Warm Up Strategy for Ethanol Direct Injection Plus Gasoline Port Fuel Injection

A system for an engine, comprising of a cylinder of the engine; a first injector configured to inject a first substance to said cylinder; a second injector configured to inject a second substance to said cylinder; and a controller configured to commence combustion in the engine by injecting fuel into said cylinder, where said fuel is injected by only one of said first and second injectors during said start and/or warm-up.

Engine control to compensate for fueling dynamics

A method for calculating transient fuel wall wetting characteristics of an operating engine is described. The method accounts for cylinder valve deactivation of cylinders in the engine in calculating the dynamic fueling compensation. In one example, fuel vaporization effects from fuel puddles in deactivated cylinders are considered when calculating the fueling compensation for active cylinders.

Adjusting valve lash for an engine with electrically actuated valves

A system and method for controlling electromechanical valves operating in an engine is presented. According to the method, armature levitation position may be changed to accommodate varying rates of valve stem growth. The method may reduce valve noise during a wide range of engine operating conditions.

Electromechanically actuated valve control for an internal combustion engine

A system and method to control engine valve operation in an internal combustion engine. Valves are controlled to improve vehicle drivability and reduce vehicle noise.

Warm up strategy for ethanol direct injection plus gasoline port fuel injection

A system for an engine, comprising of a cylinder of the engine; a first injector configured to inject a first substance to said cylinder; a second injector configured to inject a second substance to said cylinder; and a controller configured to commence combustion in the engine by injecting fuel into said cylinder, where said fuel is injected by only one of said first and second injectors during said start and/or warm-up.

System and method for engine air-fuel ratio control

A method for operating an engine having a first injector for injecting a first fuel into a cylinder of the engine and a second injector for injection a second fuel into said cylinder of the engine, the engine further having at least an exhaust gas oxygen sensor, the method comprising of varying an amount of said first fuel injection in response to said sensor under a first operating condition, and varying an amount of said second fuel injection in response to said sensor under a second operating condition.

Adjusting ballistic valve timing

A method to adjust timing of an electrically actuated valve, said electrically actuated valve operating in a cylinder of an internal combustion engine, the method comprising during a cycle of said cylinder, opening said electrically actuated valve at a first valve opening position without activating a valve opening coil, and closing the valve at a first closing position; and during a second subsequent cycle of said cylinder, opening said electrically actuated valve at a second opening position that is varied based on the crankshaft angle at which said first closing occurs, where the second opening position is increased as said the crankshaft angle at which the first closing occurs increases.

System and method for engine air-fuel ratio control

A method for operating an engine having a first injector for injecting a first fuel into a cylinder of the engine and a second injector for injection a second fuel into said cylinder of the engine, the engine further having at least an exhaust gas oxygen sensor, the method comprising of varying an amount of said first fuel injection in response to said sensor under a first operating condition, and varying an amount of said second fuel injection in response to said sensor under a second operating condition.

Driver Feedback to Improve Vehicle Performance

A system for a hybrid vehicle driver by an operator, comprising of an energy storage device, a regenerative braking system coupled to the energy storage device, a dissipative braking system coupled to the vehicle, a brake lever, a haptic operator interface, and a control system for operating one or both of the regenerative and dissipative braking system in response to actuation of the brake lever, and providing feedback to the operator through the haptic interface differentiating a type of braking operation.

ELECTROMECHANICALLY ACTUATED VALVE CONTROL FOR AN INTERNAL COMBUSTION ENGINE

A method is presented to control engine valve selection of an internal combustion engine. Electromechanical valves are selected in a manner to reduce fuel consumption and improve engine drivability.

Warm up strategy for ethanol direct injection plus gasoline port fuel injection

A system for an engine, comprising of a cylinder of the engine; a first injector configured to inject a first substance to said cylinder; a second injector configured to inject a second substance to said cylinder; and a controller configured to commence combustion in the engine by injecting fuel into said cylinder, where said fuel is injected by only one of said first and second injectors during said start and/or warm-up.

Engine output control system and method

A system for an engine, comprising a cylinder located in the engine, a turbocharger coupled to the engine, a first injector for injecting a first fuel into said cylinder, wherein said first injector is a direct cylinder injector where said direct cylinder injector delivers a liquid including an alcohol, a second injector for injecting a second fuel into said cylinder, wherein said second injector is a port injector, where said port injector delivers a liquid including gasoline, a catalytic device configured to receive exhaust gases produced by at least the cylinder, and a controller configured to vary an amount of said first and second fuel injection during engine operation based on operating conditions, where amounts of variation of said first and second fuels are set to maintain a substantially stoichiometric mixture, the controller further configured to increase a relative amount of injection of the second injector in response to an indication of engine knock during a first operating condition, decrease engine boosting in response to the indication of engine knock during a second condition; and retard ignition timing in response the indication of engine knock during a third condition.

Event based engine control system and method

A system for starting an engine is described. In one example, the engine is supplied two fuels via two injectors. The method may improve engine starting and reduce engine emissions.

Adjusting ballistic valve timing

A system and method for controlling electromechanical valves operating in an engine is presented. According to the method, valve timing can be adjusted in a number of ways. The method can also compensate for changes in the natural response of the valve apparatus.

Engine shut-down for engine having adjustable valve timing

A method for operating at least an intake and exhaust valve in a cylinder with a piston of an engine in a vehicle, comprising during conditions of an engine shut-down, maintaining at least one of the intake and exhaust valves in a closed position, and during conditions where said at least one valve is in said closed position operating with the other of the intake and exhaust valve open, then closing the other of the intake and exhaust valve, and then opening the other of the intake and exhaust valve to generate braking torque to slow the engine.

Multi-stroke cylinder operation in an internal combustion engine

A system and method to control engine valve timing to during the start of an internal combustion engine. Valves that may be deactivated are controlled in a manner to reduce hydrocarbon emissions during the start of an internal combustion engine.

FUEL SYSTEM FOR MULTI-FUEL ENGINE

A fuel system and a method of operation of the fuel system are described in the context of a multi-fuel internal combustion engine. As a non-limiting example, the method includes: varying a composition of fuel supplied to an inlet of a fuel pump responsive to engine output; operating the fuel pump to provide pressurized fuel at an outlet of the fuel pump using the fuel received at the inlet of the fuel pump; supplying the pressurized fuel from the outlet of the fuel pump to the internal combustion engine and to a fuel separator; and varying a proportion of the pressurized fuel supplied to the internal combustion engine relative to the fuel separator responsive to the engine output.

Starting an engine with valves that may be deactivated

A system and method to control engine valve timing to during the start of an internal combustion engine. Valves that may be deactivated are controlled in a manner to reduce hydrocarbon emissions during the start of an internal combustion engine.

Ejection restraint systems for flight suits

A high tensile tape or cable is sewn into pockets in the arms of a flight suit. The pockets are closed over the tape or cable by a frangible thread. A non-frangible thread secures one end of the tape or cable to the wrist of the flight suit. The other end of the wire or cable is secured to a fastener that is adapted to connect to a ring member in the aircraft. The ring member is fastened to a tape or cable wound on a haul-back reel in the aircraft seat. Upon receipt of an ejection signal, the haul-back reel winds the tape or cable rupturing the frangible threads securing the pockets in the arms of the flight suit. The tape or cable pulls the arms up and against the chest of the air crewmember.

Swimming device for increased underwater resistance

A swimming device for increased underwater resistance increases resistance while underwater for purposes of rehabilitation and fitness. The device includes a glove having a main portion and a plurality of finger portions and a thumb portion whereby the glove is configured for covering a human hand. A channel-forming member has a peripheral wall extending upwardly from the main portion of the glove and a top wall extending between a first side and a second side of the peripheral wall. The channel-forming member has a pair of separator portions extending downwardly from the peripheral wall wherein the separator portions are configured for separating the channel-forming member into a plurality of channels. A pair of fins is coupled to the channel-forming member wherein the fins and the channels are configured for increasing underwater resistance when the glove is positioned on the hand and moved underwater.

Warm up strategy for ethanol direct injection plus gasoline port fuel injection

A system for an engine, comprising of a cylinder of the engine; a first injector configured to inject a first substance to said cylinder; a second injector configured to inject a second substance to said cylinder; and a controller configured to commence combustion in the engine by injecting fuel into said cylinder, where said fuel is injected by only one of said first and second injectors during said start and/or warm-up.

Method to reduce engine emissions for an engine capable of multi-stroke operation and having a catalyst

A method to control valves in a cylinder operating in a multi-stroke cylinder mode. Valves are controlled to improve engine emissions as operating conditions vary.

Engine boost control for multi-fuel engine

A fuel delivery system for an internal combustion engine and a method of operating the fuel delivery system is described. As one example, the method includes delivering a first fuel blend from a first fuel tank to the engine; delivering a second fuel blend from a second fuel tank to the engine, the proportion of said second fuel blend delivered to the engine to said first fuel blend delivered to the engine being related to the desired engine output; transferring said first fuel blend from said first fuel tank to said second fuel tank to prevent an amount of said first fuel blend and said second fuel blend in said second fuel tank from falling below a predetermined level; and boosting air delivered to the engine, the amount of boosting being related to latent heat of vaporization of said second fuel blend delivered to the engine.

SEAT BELT AND BELT ADAPTOR FOR SMALL PASSENGER AUTO SEAT

A small passenger restraint system (10) in which a portable small passenger seat (11) is placed on a vehicle seat (13) and belted thereto. The small passenger seat has a passageway for accommodating the dual-anchored adjustable lap belt section (19) of a belt system (18) to initially secure the portable seat. The belt system also has a vertical section (with or without an inflatable portion) anchored below and above the vehicle seat adjacent the portable seat to stabilize the portable seat. The lap belt section is slidably connected to the vertical section (23) so that upon inflation of a portion of that section the lap belt is tightened to further secure the portable seat. © KIPO & WIPO 2007 ...

INFLATABLE PASSENGER-SIZE ADJUSTABLE TORSO BELT SYSTEM INCLUDING ENCLOSURE MOUNT AND METHOD OF PASSENGER RESTRAINT

A vehicle passenger restraint system in which a belt band (16) includes a lap belt portion (20) which may or may not be inflatable and an inflatable torso belt portion (19). The torso belt portion (19) is partially mounted in an enclosure (32) which prevents substantial inflation with the remainder of the torso belt portion positioned to protect the passenger. When a large passenger buckles-up more torso belt is withdrawn from the enclosure. Upon activation of the inflator (54) with a larger passenger buckled-up, gases are supplied to the torso belt portion in the enclosure with less gas remaining in the enclosure and more gas being supplied to the torso belt portion outside the enclosure which portion protects the larger passenger. When a small passenger buckles-up, less gas is supplied the torso belt portion outside the enclosure. © KIPO & WIPO 2007 ...

Method for controlling an engine during a restart

Various systems and methods are described for controlling an engine in a vehicle, the engine being coupled to a transmission. One example method comprises, under selected braking conditions, shutting-off the engine and spinning-down the engine to rest while the vehicle is traveling, and in response to a foot-off-brake event, restarting the engine by at least partially engaging the transmission and adjusting engine torque control actuators.

Starting an engine with valves that may be deactivated

A system and method to control engine valve timing to during the start of an internal combustion engine. Valves that may be deactivated are controlled in a manner to reduce hydrocarbon emissions during the start of an internal combustion engine.

Method and system for adjusting port throttles

An engine system and method for improving engine starting are disclosed. In one example, two engine cylinder port throttles are adjusted differently during engine starting. The system and method may improve engine torque control during an engine start.

System and Method for Compensation of Fuel Injector Limits

A method for an engine configured to deliver an actively varying relative ratio of a first and second fuel via a delivery system having a first and second injector for a cylinder of the engine, where the first fuel has a lesser relative amount of alcohol, the method comprising of varying an amount of injection from the first and second injector with operating conditions, when said variation causes said first injector to approach a first minimum opening condition, increasing injection of said second injector and disabling said first injector, and when said variation causes said second injector to approach a second minimum opening condition, avoiding further reduction of said second injector and decreasing injection of said first injector.

Coordinated multinode dump collection in response to a fault

A multi-node parallel processing system includes multiple nodes each including the capability to handle faults. When a fault is detected, a fault handling procedure is launched. This may include invoking a dump capture handler to stop execution of all applications as well as control the saving of dump information to slave dump databases. The node in which the fault occurred sends a broadcast message to all the other nodes to indicate the fault condition. In response to the message, each of the other nodes also captures predetermined dump information into slave dump databases. The system is then restarted. After the system has started up again, a master dump save routine is started on a master node. The master dump save routine then launches slave dump save routines in each of the nodes to coordinate the collection of dump information. The master dump save routine can query the information stored in each of the slave dump routines and select a subset of the information desired. In response ...

Multi-stroke cylinder operation in an internal combustion engine

A method to control valves during multi-stroke cylinder operation. Valves are controlled to improve emissions and engine torque resolution.

Method to Reduce Engine Emissions for an Engine Capable of Multi-Stroke Operation and Having a Catalyst

A method to control valves in a cylinder operating in a multi-stroke cylinder mode. Valves are controlled to improve engine emissions as operating conditions vary.

System and method for tip-in knock compensation

A method of controlling an engine, the method comprising of providing fuel having a blend to a cylinder of the engine, actively varying said fuel blend in response to at least an operating condition, and where during a transient operating condition, said blend is adjusted to increase a heat capacity of said fuel to reduce a tendency for knock.

System and method for compensation of fuel injector limits

A method for an engine configured to deliver an actively varying relative ratio of a first and second fuel via a delivery system having a first and second injector for a cylinder of the engine, where the first fuel has a lesser relative amount of alcohol, the method comprising of varying an amount of injection from the first and second injector with operating conditions, when said variation causes said first injector to approach a first minimum opening condition, increasing injection of said second injector and disabling said first injector, and when said variation causes said second injector to approach a second minimum opening condition, avoiding further reduction of said second injector and decreasing injection of said first injector.

APPROACH FOR ENHANCING EMISSIONS CONTROL DEVICE WARMUP IN A DIRECT INJECTION ENGINE SYSTEM

A method of controlling fuel supplied to an engine of a vehicle is provided. The vehicle includes a first fuel storage tank to store a first type of fuel, a second fuel storage tank to store a second type of fuel, and an emissions control device. The engine includes at least one cylinder having a direct injection fuel injector being selectively supplied with the first type of fuel from the first fuel storage tank and the second type of fuel from the second fuel storage tank. The method includes supplying the first type of fuel from the first fuel storage tank to the direct injection fuel injector in response an engine start condition of the vehicle, and supplying the second type of fuel from the second fuel storage tank to the direct injection fuel injector, in response to an increase in engine output exceeding a threshold increase or a temperature of the emissions control device exceeding a threshold temperature.

Cylinder and valve mode control for an engine with valves that may be deactivated

A method to select cylinder and valve operational modes in an internal combustion engine with valves that may be deactivated. A simplified method to select cylinder and valve modes is presented.

Multi-stroke cylinder operation in an internal combustion engine

A method to control valves that may be deactivated during multi-stroke cylinder operation. Valves are controlled to improve drivability and reduce valve degradation.

Reducing noise, vibration, and harshness in a variable displacement engine

A method for operating an engine of a vehicle, the engine having one or more deactivatable cylinders, the method including controlling the stability of a vehicle in response to vehicle acceleration, and reactivating or deactivating combustion in at least a cylinder in response to vehicle acceleration.

System and method for purging a hydrocarbon trap

A method and a system are provided for purging a hydrocarbon trap coupled to an internal combustion engine. An air supply device supplies oxygen to the hydrocarbon trap to facilitate the oxidation of stored hydrocarbons. A controller causes the air supply device to provide the oxygen in pulses instead of in a constant stream. By providing the oxygen in pulses, a sufficient amount of oxygen can be supplied to effectively purge the hydrocarbon trap, while, at the same time, preventing the unheated air from the air supply device from cooling the hydrocarbon trap below its purge threshold temperature.

Event based engine control system and method

A system for an engine of a vehicle, comprising of a cylinder of the engine; a first injector configured to inject a first substance to said cylinder; a second injector configured to inject a second substance to said cylinder; and a controller configured to perform injection from said first and second injector in response to a number of combustion events from an engine start.

System and method for restarting an engine

Various systems and methods are described for controlling an engine in a vehicle, the engine being coupled to a transmission. One example method comprises, under selected braking conditions, shutting-off the engine and spinning-down the engine to rest while the vehicle is traveling, and in response to a foot-off-brake event, restarting the engine by at least partially engaging the transmission to assist in spinning-up of the engine from rest while the vehicle is traveling. In this manner, vehicle inertia can be used to assist in spinning-up the engine from rest when the vehicle is moving.

ENGINE BOOST CONTROL FOR MULTI-FUEL ENGINE

A fuel delivery system for an internal combustion engine and a method of operating the fuel delivery system is described. As one example, the method includes delivering a first fuel blend from a first fuel tank to the engine; delivering a second fuel blend from a second fuel tank to the engine, the proportion of said second fuel blend delivered to the engine to said first fuel blend delivered to the engine being related to the desired engine output; transferring said first fuel blend from said first fuel tank to said second fuel tank to prevent an amount of said first fuel blend and said second fuel blend in said second fuel tank from falling below a predetermined level; and boosting air delivered to the engine, the amount of boosting being related to latent heat of vaporization of said second fuel blend delivered to the engine.

Electromechanical valve operating conditions by control method

A system and method to control engine valve timing of an internal combustion engine. Electromechanical valves are controlled in a manner to increase fuel economy. Further, the method can adjust valve operation to regulate valve temperature.

System and method for compensation of fuel injector limits

A method for an engine with first and second injectors in a cylinder provides different fuel injection compensation upon reaching minimum pulsewidths of the first and second injectors. When the first injector reaches its minimum pulsewidth, the first injector is disabled. However, when the second injector reaches its minimum pulsewidth, the second injector is maintained active and injection from the first injector is decreased. In this way, sufficient injection from the second injector is maintained in either situation.

Electrically Actuated Vavle Deactivation in Response to Vehicle Electrical System Conditions

A method for controlling at least valve to operate in at least a cylinder of an internal combustion engine coupled to a manifold, the method comprising of deactivating said valve in response to an operating condition of a vehicle electrical system, wherein during at least a first condition of the vehicle electrical system said valve is deactivated in a first position that allows at least some airflow between the cylinder and the manifold.

Engine breathing in an engine with mechanical and electromechanical valves

A system to control valves of an internal combustion engine. Electromechanical valves are controlled in a manner to reduce hydrocarbon emissions of an internal combustion engine. Further, the system may contain both mechanical and electromechanical valves to reduce cost and increase performance.

Engine starting for engine having adjustable valve operation and port fuel injection

A method for controlling an engine during a start is presented. In one example, the method includes direct starting an engine with a port fuel injector. The method can improve engine starting during some conditions.

Engine boost control for multi-fuel engine

The invetion relates to an engine boost control of a multi-fuel engine. A fuel system and a method of operation of the fuel system are described in the context of a multi-fuel internal combustion engine. As a non-limiting example, the method includes: varying a composition of fuel supplied to an inlet of a fuel pump responsive to engine output; operating the fuel pump to provide pressurized fuel at an outlet of the fuel pump using the fuel received at the inlet of the fuel pump; supplying the pressurized fuel from the outlet of the fuel pump to the internal combustion engine and to a fuel separator; and varying a proportion of the pressurized fuel supplied to the internal combustion engine relative to the fuel separator responsive to the engine output. The fuel system provided by the invention can excute multiple functions by using the same fuel pump, thereby reducing cost and complexity of the fuel system as well as improving fuel efficiency of the engine.

Cylinder and valve mode control for an engine with valves that may be deactivated

A method to select cylinder and valve operational modes in an internal combustion engine with valves that may be deactivated. A simplified method to select cylinder and valve modes is presented.

Engine starting for engine having adjustable valve operation

A method is provided for controlling an engine having two cylinders, one of which having an adjustable valve. The method comprising performing a combustion in two cylinders having pistons, the combustions for said cylinders occurring during a common stroke of the pistons; increasing a number of strokes in a cycle of one of the two cylinders; and returning operation of the one of the two cylinders to four strokes, so that combustion of the one of the two cylinders occurs sequentially from the other of the two cylinders.

METHOD TO REDUCE ENGINE EMISSIONS FOR AN ENGINE CAPABLE OF MULTI-STROKE OPERATION AND HAVING A CATALYST

A method to control valves in a cylinder operating in a multi-stroke cylinder mode. Valves are controlled to improve engine emissions as operating conditions vary.

Fuel system for multi-fuel engine

An engine system and corresponding control method are described. As one example, the control method includes transferring one type of fuel from one fuel tank to a second fuel tank holding another type of fuel and adjusting an engine operating parameter based on the blended fuel mixture.

Multi-Stroke Cylinder Operation in an Internal Combustion Engine

A method for starting an internal combustion engine of a hybrid-electric vehicle having a controller, the engine having a plurality of cylinders, each with at least an intake and exhaust valve, each of which may be held in a position for a cycle of a cylinder, the method comprising of deactivating a plurality of cylinders in said engine in response to a signal from the controller of the hybrid-electric vehicle by mechanically deactivating valves in each cylinder of the engine, the deactivation in response to a request from the controller of the hybrid-electric vehicle and to reduce a number of operating valves in each cylinder of the engine.

Electrically actuated valve deactivation in response to vehicle electrical system conditions

A method for controlling at least an electrically actuated valve to operate in at least a cylinder of an internal combustion engine, the method comprising deactivating an electrically actuated valve in response to an operating condition of a vehicle electrical system, said electrically actuated valve deactivated in a desired position.

ENGINE OUTPUT CONTROL SYSTEM AND METHOD

A system for an engine, comprising a cylinder located in the engine, a turbocharger coupled to the engine, a first injector for injecting a first fuel into said cylinder, wherein said first injector is a direct cylinder injector where said direct cylinder injector delivers a liquid including an alcohol, a second injector for injecting a second fuel into said cylinder, wherein said second injector is a port injector, where said port injector delivers a liquid including gasoline, a catalytic device configured to receive exhaust gases produced by at least the cylinder, and a controller configured to vary an amount of said first and second fuel injection during engine operation based on operating conditions, where amounts of variation of said first and second fuels are set to maintain a substantially stoichiometric mixture, the controller further configured to increase a relative amount of injection of the second injector in response to an indication of engine knock during a first operating condition, decrease engine boosting in response to the indication of engine knock during a second condition; and retard ignition timing in response the indication of engine knock during a third condition.

Valve control for an engine with electromechanically actuated valves

A system and method to control engine valve timing of an internal combustion engine. Electromechanical valves are controlled to improve engine fuel economy. Further, the method can adjust valve operation to provide air-fuel charge motion and increase combustion stability.

System and method for restarting an engine

Various systems and methods are described for controlling an engine in a vehicle, the engine being coupled to a transmission. One example method comprises, under selected braking conditions, shutting-off the engine and spinning-down the engine to rest while the vehicle is traveling, and in response to a foot-off-brake event, restarting the engine by at least partially engaging the transmission to assist in spinning-up of the engine from rest while the vehicle is traveling. In this manner, vehicle inertia can be used to assist in spinning-up the engine from rest when the vehicle is moving.

REDUCING NOISE, VIBRATION, AND HARSHNESS IN A VARIABLE DISPLACEMENT ENGINE

A method for operating an engine of a vehicle, the engine having one or more deactivatable cylinders, the method including controlling the stability of a vehicle in response to vehicle acceleration, and reactivating or deactivating combustion in at least a cylinder in response to vehicle acceleration.

ENGINE VALVE OPERATION

Various approaches are described for operating an engine in a vehicle having variable valve operation for an intake and/or exhaust valve of the cylinder. In one example, a method comprises delivering a first fuel to a cylinder of the engine from a first injector; delivering a second fuel to the cylinder of the engine from a second injector, where a composition of at least one of the first or second fuels varies; and adjusting the variable valve operation responsive to the varying composition and further based on variation in the delivery of the first or second fuel.

Gas generating device

A method and a device for producing a sufficient quantity of a fire suppressing gaseous product to substantially suppress a fire. The device has a first stage gas source containing a pyrotechnic gas generating material and a second stage gas source in fluid communication at a first location with an outlet of the first stage gas source and, at a second location, with an outlet for dispersing gas. The second stage gas source contains at least one liquified gas or supercritical carbon dioxide, where the first stage gas source is capable of providing a sufficient quantity of gas at a sufficiently high temperature to vaporize at least a portion of the liquified gas or supercritical carbon dioxide in the second stage gas source, thereby producing a fire suppressing gaseous output, which exits the device through the outlet for dispersing gas, in an amount sufficient to at least partially suppress a fire. At least one of the pyrotechnic gas generating material, the liquified gas, and the supercritical ...

APPROACH FOR ENHANCING EMISSIONS CONTROL DEVICE WARMUP IN A DIRECT INJECTION ENGINE SYSTEM

A method of controlling fuel supplied to an engine of a vehicle is provided. The method may improve engine starting during cold operating conditions. In one example, the type of fuel injected to the engine is changed in response to operating conditions.

Valve control to reduce modal frequencies that may cause vibration

A method to reduce chassis vibration in an engine with valves that may be deactivated. Valves are controlled to avoid exciting modal frequencies of mechanical components and systems.

Electrically actuated valve deactivation in response to vehicle electrical system conditions

A method for controlling at least valve to operate in at least a cylinder of an internal combustion engine coupled to a manifold, the method comprising of deactivating said valve in response to an operating condition of a vehicle electrical system, wherein during at least a first condition of the vehicle electrical system said valve is deactivated in a first position that allows at least some airflow between the cylinder and the manifold.

Engine having multiple injector locations

A method for controlling a first and second injector of an engine, the first injector located in a first cylinder of the engine and the second injector located upstream of, and configured to inject fuel into, the first and a second cylinder of the engine, the method comprising of decreasing total injection from the first and second injectors when decreasing injection from the second injector, and increasing total injection from the first and second injectors when increasing injection of the second injector.

STARTING AN ENGINE WITH ELECTROMECHANICAL VALVES

A system and method to control engine valve timing to during the start of an internal combustion engine. Electromechanical valves are controlled in a manner to reduce engine vibration and hydrocarbon emissions during the start of an internal combustion engine. The method controls valves without an explicit four-stroke engine cycle during a start.

Engine boost control for multi-fuel engine

The invetion relates to an engine boost control of a multi-fuel engine. A fuel delivery system for an internal combustion engine and a method of operating the fuel delivery system is described. As one example, the method includes delivering a first fuel blend from a first fuel tank to the engine; delivering a second fuel blend from a second fuel tank to the engine, the proportion of said second fuel blend delivered to the engine to said first fuel blend delivered to the engine being related to the desired engine output; transferring said first fuel blend from said first fuel tank to said second fuel tank to prevent an amount of said first fuel blend and said second fuel blend in said second fuel tank from falling below a predetermined level; and boosting air delivered to the engine, the amount of boosting being related to latent heat of vaporization of said second fuel blend delivered to the engine. The system and the method provided by the invention is good for inhibiting detonation and ...

Valve control for an engine with electromechanically actuated valves

A system and method to control engine valve timing of an internal combustion engine. Electromechanical valves are controlled to improve engine fuel economy. Further, the method can adjust valve operation to provide air-fuel charge motion and increase combustion stability.

Method to reduce engine emissions for an engine capable of multi-stroke operation and having a catalyst

A method to control valves in a cylinder operating in a multi-stroke cylinder mode. Valves are controlled to improve engine emissions as operating conditions vary.

Fuel system for multi-fuel engine

A fuel system and a method of operation of the fuel system are described in the context of a multi-fuel internal combustion engine. In one example, the method includes varying a proportion of fuel supplied by a fuel pump to an engine and a fuel separator. The method may be particularly useful for a dual fuel engine.

Approach for Facilitating Engine Mode Transitions

A method of transitioning a cylinder of an engine from a spark ignition mode to a homogeneous charge compression ignition mode, the cylinder having at least one electrically actuated intake valve and at least one exhaust valve, the method comprising of before a transition, operating the cylinder with at least some overlap between an opening event of the intake valve and an opening event of the exhaust valve in the spark ignition mode; in response to a transition request, operating the cylinder with at least some negative overlap between an opening event of the intake valve and an opening event of the exhaust valve, retarding the intake valve opening and closing timing by different amounts and retarding ignition timing; and further increasing negative overlap and performing the homogeneous charge compression ignition mode.

Inflatable restraint systems for ejection seats

An inflatable restraint system for holding and securing an aircrew member in his seat during ejection from an aircraft has one or more members forming a shield around him or her. The system is controlled to inflate after the aircrew member has started the sequence of ejection and before the rockets that power the seat from the aircraft are ignited. The forces of windblast are deflected by the inflatable restraint from the aircrew member as the aircrew member enters into and remains in the windblast and in his seat.

Reducing engine emissions on an engine with electromechanical valves

A system and method to control engine valve timing to improve the start of an internal combustion engine. Electromechanical valves are controlled in a manner to reduce hydrocarbon emissions during the start of an internal combustion engine.

Electromechanically actuated valve control for an internal combustion engine

A system and method to control engine valve operation in an internal combustion engine. Valves are controlled to improve vehicle drivability and reduce vehicle noise.

Inflatable restraint systems for ejection flight vests

One or more tubular inflatables are mounted in pockets spaced around a flight vest to assist and maintain upper body stiffness during ejection. The inflatables function to maintain the body stiff and prevent its moving from side to side during ejection. By proper positioning of the inflatables around the body, spinal compression may be prevented. In addition, connected to the flight vest is a collar-like inflatable that supports and protects the neck and head of the air crewmember from moving. The collar-like member can encircle the neck like a scarf. In another embodiment, it can also extend above the shoulders and completely encircle the helmet holding the head in a vertical position. In each embodiment, the collar-like member properly maintains the center of gravity of the air crewmember on the aircraft seat.

EVENT BASED ENGINE CONTROL SYSTEM AND METHOD

A system for starting an engine is described. In one example, the engine is supplied two fuels via two injectors. The method may improve engine starting and reduce engine emissions. 116-. (canceled)17. A system for an engine of a vehicle , comprising:a turbocharger coupled to the engine;a cylinder of the engine;a spark plug positioned in the cylinder;a first injector configured to inject a first substance to said cylinder;a second injector configured to inject a second substance to said cylinder; anda controller configured to perform injection from said first and second injector in response to a number of combustion events from an engine start.18. The system of wherein said first injector is a port injector.19. The system of wherein said first injector is a direct cylinder injector.20. The system of wherein said second injector is a port injector.21. The system of wherein said injection is further in response to engine operating conditions.22. The system of wherein said start includes cold engine operation.23. The system of wherein said first substance and said second substance are each a fuel.24. The system of wherein said first substance includes gasoline and said second substance includes an alcohol.25. The system of wherein said first substance includes gasoline and said second substance includes water.26. The system of wherein said first substance includes gasoline and said second substance includes water and ethanol.27. The system of wherein said start includes an engine re-start condition.28. The system of wherein said controller further performs an injection from the other of said injectors after engine coolant temperature reaches a threshold value.29. The system of wherein said first substance includes methanol and water.30. A method for controlling an engine of a vehicle claim 17 , the engine having a cylinder with a first fuel injector configured to inject a first substance to the cylinder claim 17 , and a second injector configured to inject a second ...

REDUCING NOISE, VIBRATION, AND HARSHNESS IN A VARIABLE DISPLACEMENT ENGINE

A method for operating an engine of a vehicle, the engine having one or more deactivatable cylinders, the method including controlling the stability of a vehicle in response to vehicle acceleration, and reactivating or deactivating combustion in at least a cylinder in response to vehicle acceleration. 120-. (canceled)21. A vehicle control method , comprising:controlling vehicle operation to increase a vehicle stability in response to a lateral vehicle acceleration and a steering angle sensor; andreactivating and deactivating combustion in a cylinder of an engine in the vehicle in response to the lateral vehicle acceleration.22. The method of claim 21 , further comprising reactivating the combustion in a deactivated cylinder in response to a magnitude of the lateral vehicle acceleration at a firing frequency of the engine.23. The method of claim 22 , further comprising filtering the lateral vehicle acceleration to reduce frequencies outside the firing frequency of the engine claim 22 , where the firing frequency is determined based on engine speed and a number of activated cylinders carrying out combustion.24. The method of claim 21 , wherein controlling vehicle operation includes actuating one or more wheel brake mechanisms in the vehicle.25. The method of claim 21 , wherein reactivating combustion includes injecting fuel into a combustion chamber of a deactivated cylinder.26. The method of claim 21 , wherein reactivating combustion in a deactivated cylinder in response to the lateral vehicle acceleration includes reactivating combustion when the lateral vehicle acceleration has surpassed a threshold magnitude at a selected frequency.27. The method of claim 26 , further comprising increasing the threshold magnitude of acceleration in response to an indication of rough road conditions.28. The method of where the indication of rough road conditions is based on wheel speed of a plurality of wheels of the vehicle.29. The method of further comprising inhibiting ...

Method and System for Providing Air to an Engine

Systems and methods for supplying air to an engine are disclosed. In one example, an air inlet throttle is at least partially closed in response to a change in engine torque request. In another example, the air inlet throttle is adjusted in conjunction with adjusting an engine throttle. The approach can reduce compressor noise and may reduce the possibility of compressor surge. 120-. (canceled)21. A method for supplying air to an engine , comprising:controlling air flow to a compressor via a first throttle;controlling air flow from the compressor to engine cylinders via a second throttle;at least partially closing the first throttle during a condition of surge of the compressor; andadjusting a position of the first throttle in response to a desired EGR flow rate when the compressor is not in the condition of surge.22. The method of claim 21 , where the first throttle is substantially fully closed during the condition of surge of the compressor.23. The method of claim 21 , further comprising where the first throttle is not opened until a pressure of an air intake system of the engine is less than a predetermined level or until an engine torque request is greater than a predetermined level.24. The method of claim 21 , further comprising where the first throttle is not opened until for a predetermined amount of time has elapsed or until a predetermined number of combustion events have occurred.25. The method of further comprising opening the second throttle before opening the first throttle claim 21 , and opening the first throttle when a pressure of the air duct is less than a predetermined level.26. The method of claim 21 , further comprising opening a compressor bypass valve during the condition of surge of the compressor.27. The method of claim 26 , further comprising closing an EGR valve during the condition of surge of the compressor.28. A method for supplying air to an engine claim 26 , comprising:in response to a transition from a higher engine torque demand to ...

Method and system for adjusting port throttles

An engine system and method for improving engine starting are disclosed. In one example, two engine cylinder port throttles are adjusted differently during engine starting. The system and method may improve engine torque control during an engine start.

SYSTEM AND METHOD FOR STORING CRANKCASE GASES TO IMPROVE ENGINE AIR-FUEL CONTROL

A system and method for improving processing of gases contained within the crankcase of an internal combustion engine is presented. The system is especially suited for single boiling point fuels because it allows the storage of such fuels until the fuel can be opportunistically combusted. 1. A system for combusting internal combustion engine crankcase gases , the system comprising:an internal combustion engine comprising a crankcase, an intake manifold, a duct connecting the crankcase to the intake manifold;a canister comprising hydrocarbon storage media, the canister located along the length of the duct and in communication with the duct; andan electrically adjustable valve capable of regulating flow of gases from the canister to the intake manifold.2. The system of wherein the valve is located between the canister and the intake manifold or between the crankcase and the canister claim 1 , and wherein the position of the valve is adjusted by a controller to regulate the flow of crankcase gases into the canister.3. The system of wherein the valve is a two-way valve.4. The system of wherein the storage media is comprised at least partially of carbon.5. The system of wherein the storage media is comprised of at least zeolite.6. The system of wherein the canister is purged by pulling or pushing fresh air through the canister.7. The system of further comprising a second valve that is used to control the flow of hydrocarbons from the canister to the intake manifold.8. The system of further comprising a third valve that is used to control the flow of fresh air into the canister from upstream of a throttle.9. The system of wherein the controller regulates the flow of air through the canister and through a throttle in response to an engine torque request.10. The system of wherein the controller directs gas flow from the crankcase to the canister when a temperature of the engine is between a first temperature and a second temperature.11. The system of wherein the temperature ...

METHOD AND SYSTEM FOR IMPROVING ENGINE STARTING

An engine system and method for improving engine starting are disclosed. In one example, engine port throttles are adjusted to improve fuel vaporization of a fuel that includes alcohol. The system and method may improve engine starting and emissions. 1. A method of starting an engine , comprising:substantially closing a port throttle of a cylinder; andinjecting at least a portion of an amount of fuel to a cylinder during a cylinder cycle while the port throttle is substantially closed, the amount of fuel injected being during an interval that includes a middle position which is substantially aligned with a predetermined vacuum level of the cylinder.2. The method of claim 1 , where the amount of fuel is directly injected to the cylinder claim 1 , and where the predetermined vacuum level is a minimum vacuum level of the cylinder.3. The method of claim 2 , where the engine includes an air inlet throttle and where a fuel comprising alcohol is injected to the cylinder during the interval claim 2 , and where the predetermined vacuum level is estimated via a position of the engine.4. The method of claim 1 , where the interval is a time interval or where the interval is a crankshaft interval claim 1 , and where the predetermined vacuum level substantially corresponds to a position of bottom dead center intake stroke of the cylinder.5. The method of claim 1 , where the amount of fuel is injected to the cylinder in two or more fuel pulses.6. The method of claim 1 , further comprising at least partially opening the port throttle after a start of fuel injection timing claim 1 , and where the amount of fuel is injected to the cylinder via a cylinder port.7. A method of starting an engine claim 1 , comprising:substantially closing a port throttle of a cylinder during a cylinder cycle;at least partially opening the port throttle before IVC during the cylinder cycle after substantially closing the port throttle and after beginning to inject a fuel to the cylinder during the ...

SYSTEM AND METHOD FOR RESTARTING AN ENGINE

Various systems and methods are described for controlling an engine in a vehicle, the engine being coupled to a transmission. One example method comprises, under selected braking conditions, shutting-off the engine and spinning-down the engine to rest while the vehicle is traveling, and in response to a foot-off-brake event, restarting the engine by at least partially engaging the transmission to assist in spinning-up of the engine from rest while the vehicle is traveling. In this manner, vehicle inertia can be used to assist in spinning-up the engine from rest when the vehicle is moving. 1. A method for controlling an engine and transmission in a vehicle , comprising:responsive to driver braking, discontinuing combustion and spinning-down the engine to rest while the vehicle is traveling; andresponsive to a release of driver braking, restarting the engine by engaging the transmission and transferring wheel torque through the transmission to the at-rest engine to assist in spinning-up the engine from rest while the vehicle is traveling.2. The method of claim 1 , wherein the transmission is shifted to neutral before the combustion is discontinued.3. The method of claim 2 , wherein a torque converter is engaged during engine rest conditions.4. The method of claim 2 , wherein a pump is driven during at least engine rest conditions to maintain pressure of a fluid.5. The method of claim 4 , wherein the pump is driven by an electric motor during engine rest conditions.6. The method of claim 1 , wherein transferring wheel torque through the transmission to the at-rest engine includes applying a clutch to engage a gear in the transmission.7. The method of claim 6 , wherein the gear is selected based on a speed of the vehicle during or after the release.8. The method of claim 1 , wherein the discontinuing combustion is further responsive to vehicle speed below a threshold value.9. The method of wherein the transmission is an automatic transmission.10. A method for an engine ...

SYSTEM AND METHOD FOR EMPTYING A TANK

A system for method for emptying a gas storage tank of a vehicle is presented. In one example, engine valve timing is adjusted to facilitate reducing pressure within the gas storage tank. The system and method may extend the use of the gas stored in the gas storage tank. 1. A method for emptying a tank , comprising:solely supplying a gaseous fuel to an engine when a pressure of the gaseous fuel is greater than a threshold pressure; andsupplying the gaseous fuel and a liquid fuel when the pressure of the gaseous fuel is less than the threshold pressure.2. The method of claim 1 , further comprising deactivating a fuel injector that is supplied with the gaseous fuel when engine intake manifold pressure is greater than ambient pressure.3. The method of claim 2 , further comprising deactivating the fuel injector that is supplied with the gaseous fuel when a pressure of the gaseous fuel is substantially at ambient pressure.4. The method of claim 3 , where the fuel injector that is supplied with gaseous fuel injects the gaseous fuel into an intake manifold.5. The method of claim 3 , where the pressure of the gaseous fuel is within a storage tank.6. The method of claim 3 , where the pressure of the gaseous fuel is within a passage between a storage tank and the engine.7. A method for emptying a tank claim 3 , comprising:supplying a gaseous fuel to an engine via a tank;operating the engine with the gaseous fuel and a first valve timing at a first condition when a pressure of the gaseous fuel is greater than a first threshold; andoperating the engine with the gaseous fuel and a second valve timing at the first condition when the pressure of the gaseous fuel is less than the first threshold.8. The method of claim 7 , where the first condition is an engine speed and load.9. The method of claim 7 , where an intake valve of the engine opens later relative to a crankshaft position when the pressure of the gaseous fuel is less than the first threshold as compared to when the intake ...

METHOD AND SYSTEM FOR IMPROVING ENGINE STARTING

An engine system and method for improving engine starting are disclosed. In one example, engine port throttles are adjusted to improve fuel vaporization of a fuel that includes alcohol. The system and method may improve engine starting and emissions. 1. A method of starting an engine , comprising:substantially closing a cylinder port throttle; anddirectly injecting an amount of fuel to a cylinder during a cylinder cycle while cylinder vacuum varies with engine rotation and while the cylinder port throttle is substantially closed during engine cranking, the amount of fuel injected being during an interval that includes a middle position which is substantially aligned with a predetermined cylinder vacuum level.2. The method of claim 1 , wherein the engine is started from a stopped position.3. The method of claim 1 , further comprising determining a desired amount of air based on a desired IMEP claim 1 , the method further comprising opening the cylinder port throttle after the amount of fuel is injected.4. The method of claim 1 , where the interval is a time interval or where the interval is a crankshaft interval claim 1 , and where the predetermined vacuum level substantially corresponds to a position of bottom dead center intake stroke of the cylinder.5. The method of claim 1 , where the amount of fuel is injected to the cylinder in two or more fuel pulses.6. The method of claim 1 , further comprising at least partially opening the cylinder port throttle after a start of fuel injection timing claim 1 , and where the amount of fuel is injected to the cylinder via a cylinder port.7. The method of claim 1 , where the predetermined cylinder vacuum level is a minimum vacuum level of the cylinder claim 1 , and where the cylinder port throttle is located upstream of a poppet valve.8. The method of claim 7 , where the engine includes an air inlet throttle and where a fuel comprising alcohol is injected to the cylinder during the interval claim 7 , and where the ...

METHOD AND SYSTEM FOR DETERMINING PISTON SLAP

Methods and systems are disclosed for operating an engine that includes a knock control system. The methods and system provide for repurposing the engine knock control system to detect and mitigate piston slap. The methods and systems also seek to increase the signal to noise ratio for detecting piston slap. 1. An engine operating method , comprising:adjusting a crankshaft angle where a knock window of a cylinder opens and adjusting a crankshaft angle where the knock window of the cylinder closes via a controller in response to a request to detect piston slap in the cylinder; andadjusting one or more actuators via the controller according to piston slap detected in the knock window.2. The method of claim 1 , where the crankshaft angle where the knock window of the cylinder opens is retarded.3. The method of claim 2 , further comprising reducing an actual total number of crankshaft degrees between the crankshaft angle where the knock window of the cylinder opens and the crankshaft angle where the knock window of the cylinder closes in response to the request to detect piston slap in the cylinder.4. The method of claim 1 , further comprising retarding spark timing of the cylinder in response to the request to detect piston slap in the cylinder claim 1 , filtering output of a knock sensor during the knock window via a first filter to detect piston slap of the cylinder claim 1 , providing a second knock window during an engine cycle that includes the knock window claim 1 , and filtering output of the knock sensor during the second knock window via a second filter to detect knock of the cylinder claim 1 , a pass-band frequency of the first filter lower than a pass-band frequency of the second filter.5. The method of claim 1 , where adjusting one or more actuators includes adjusting an engine throttle position and increasing an engine idle speed.6. The method of claim 1 , where adjusting one or more actuators includes further retarding spark timing.7. The method of claim ...

Method for controlling an engine during a restart

Various systems and methods are described for controlling an engine in a vehicle, the engine being coupled to a transmission. One example method comprises, under selected braking conditions, shutting-off the engine and spinning-down the engine to rest while the vehicle is traveling, and in response to a foot-off-brake event, restarting the engine by at least partially engaging the transmission and adjusting engine torque control actuators.

System and method for storing crankcase gases to improve engine air-fuel control

A system and method for improving processing of gases contained within the crankcase of an internal combustion engine is presented. The system is especially suited for single boiling point fuels because it allows the storage of such fuels until the fuel can be opportunistically combusted.

METHOD FOR CONTROLLING AN ENGINE DURING A RESTART

Various systems and methods are described for controlling an engine in a vehicle, the engine being coupled to a transmission. One example method comprises, under selected braking conditions, shutting-off the engine and spinning-down the engine to rest while the vehicle is traveling, and in response to a foot-off-brake event, restarting the engine by at least partially engaging the transmission and adjusting engine torque control actuators. 19-. (canceled)10. A method for controlling a vehicle engine , the engine being coupled to a transmission , comprising:in response to a first operating condition, restarting the engine by engaging an engine starter and at least partially engaging the transmission to assist in spinning-up of the engine from rest while a vehicle is traveling; andadjusting at least one of a throttle position, spark advance, cam angle, and fuel timing in response to a second operating condition during the engine restarting.11. The method of claim 10 , wherein the engine starter is engaged before torque from the transmission is applied to the engine by engaging a transmission clutch.12. The method of claim 10 , wherein the first and second operating conditions are a same operating condition.13. The method of claim 10 , wherein the first and second operating conditions are different operating conditions.14. The method of claim 13 , wherein the first operating condition is a change in brake position and the second operating condition is a vehicle speed at which the engine is restarted.15. The method of claim 10 , further comprising adjusting the throttle position responsive to an operator torque demand.16. The method of claim 10 , wherein the first operating condition is a foot-off-brake condition.17. A system for controlling a vehicle engine claim 10 , comprising:an engine;a transmission;a pump; anda controller configured to respond to a first operating condition by restarting the engine by at least partially engaging the transmission to assist in ...

METHOD AND SYSTEM FOR LEARNING CONTRIBUTIONS OF ENGINE KNOCK BACKGROUND NOISE FOR A VARIABLE DISPLACEMENT ENGINE

Methods and systems are disclosed for operating an engine that includes a knock control system that may determine contributions of individual noise sources to an engine background noise level. The contributions of the individual noise sources may be determined via adjusting timing of a knock window or timing of the individual noise sources. 1. An engine operating method , comprising:ceasing to supply fuel to a first engine cylinder via a controller;reducing a crankshaft duration of a knock window of the first engine cylinder from a first duration when the knock window is applied to evaluate the presence of knock in a cylinder to a second duration when the knock window is applied to quantify an engine knock background noise level; andsampling output of a knock sensor during the knock window via the controller.2. The method of claim 1 , further comprising generating the engine knock background noise level via sampling output of the knock sensor and learning propagation time of noise and noise duration.3. The method of claim 2 , further comprising generating an indication of engine knock via the engine knock background noise level.4. The method of claim 1 , further comprising adjusting a crankshaft angle where the knock window opens.5. The method of claim 4 , further comprising adjusting a crankshaft angle where the knock window closes.6. The method of claim 1 , further comprising spanning an event of a noise generating device via the knock window.7. The method of claim 6 , where the event is a closing of the noise generating device claim 6 , and where the device is a fuel injector or a poppet valve.8. The method of claim 6 , where the event is an opening of the noise generating device claim 6 , and where the device is a fuel injector or a poppet valve.9. An engine operating method claim 6 , comprising:adjusting timing of an engine actuator via a controller to increase or decrease engine noise generated during a knock window associated with cylinder in response to a ...

METHOD AND SYSTEM FOR ADJUSTING PORT THROTTLES

An engine system and method for improving engine starting are disclosed. In one example, two engine cylinder port throttles are adjusted differently during engine starting. The system and method may improve engine torque control during an engine start. 1. A method for controlling an engine of a vehicle , comprising:adjusting a first port throttle, regulating air flow solely to a first engine cylinder, to a first position;adjusting a second port throttle, regulating air flow solely to a second engine cylinder, to a second position, different than the first position; andstarting an engine after positioning the first and second port throttles, the engine driving wheels through a torque converter and transmission.2. The method of claim 1 , where the first and second port throttles are located downstream of an engine air inlet throttle claim 1 , and where the first and second positions are based on a desired engine stopping position.3. The method of claim 1 , further comprising adjusting the first port throttle to a third position and adjusting the second port throttle to a fourth position claim 1 , the fourth position different than the third position claim 1 , in response to an engine stop request.4. The method of claim 3 , where the engine includes first and second cylinders downstream of the first and second port throttles claim 3 , the first and second cylinders including intake poppet valves.5. The method of claim 1 , further comprising adjusting the first and second port throttles in response to ambient air temperature.6. The method of claim 1 , further comprising adjusting the first and second port throttles in response to engine temperature.7. A method for adjusting engine port throttles claim 1 , comprising:positioning a first port throttle in a first position, the first port throttle regulating air flow solely to a first cylinder;positioning a second port throttle in a second position, different than the first position, the second port throttle regulating air ...

METHOD FOR CONTROLLING AN ENGINE DURING A RESTART

Various systems and methods are described for controlling an engine in a vehicle, the engine being coupled to a transmission. One example method comprises, under selected braking conditions, shutting-off the engine and spinning-down the engine to rest while the vehicle is traveling, and in response to a foot-off-brake event, restarting the engine by at least partially engaging the transmission and adjusting engine torque control actuators. 120-. (canceled)21. A method for controlling a vehicle engine coupled to a transmission , comprising:in response to a first condition, restarting the engine by at least partially engaging the transmission to push-start and assist the engine in spinning-up from rest while a vehicle is traveling;when providing increased push-starting transmission torque, positioning a throttle to a first position; andwhen providing less push-starting transmission torque, positioning the throttle to a second, different position.22. The method of claim 21 , wherein the first position is a position that is more open than the second position.23. The method of claim 21 , wherein the first position is a position that is less open than the second position. The present description relates generally to an internal combustion engine coupled to a transmission in a motor vehicle.Vehicle engines may be configured to shut-off during idle conditions when the vehicle comes to a stop while a brake is applied and restarted once the brake is released (e.g., a stop/start system) in order to reduce fuel consumption. Fuel consumption may be further reduced by shutting down the engine during braking or by shutting down the engine when the operator is not braking and not requesting torque, before the vehicle has come to a stop.One approach to shutdown and subsequently restart the engine while the vehicle is traveling is disclosed in U.S. Pat. No. 6,951,525. In the cited reference, the engine is restarted prior to a transition from free-wheel mode to engaged clutch travel ...

SYSTEM AND METHOD FOR EMPTYING A TANK

A system for method for emptying a gas storage tank of a vehicle is presented. In one example, engine valve timing is adjusted to facilitate reducing pressure within the gas storage tank. The system and method may extend the use of the gas stored in the gas storage tank. 1. A method for emptying a tank , comprising:solely supplying a gaseous fuel to an engine when a pressure of the gaseous fuel is greater than a threshold pressure;supplying the gaseous fuel and a liquid fuel when the pressure of the gaseous fuel is less than the threshold pressure; anddeactivating supply of gaseous fuel to the engine when engine intake manifold pressure is greater than the pressure of the gaseous fuel.2. The method of claim 1 , further comprising deactivating the supply of gaseous fuel to the engine when engine intake manifold pressure is greater than ambient pressure.3. The method of claim 2 , further comprising deactivating the supply of gaseous fuel to the engine when a pressure of the gaseous fuel is substantially at ambient pressure.4. The method of claim 3 , where a fuel injector that is supplied with gaseous fuel injects the gaseous fuel into an intake manifold.5. The method of claim 3 , where the pressure of the gaseous fuel is within a storage tank.6. The method of claim 3 , where the pressure of the gaseous fuel is within a passage between a storage tank and the engine.7. A method for emptying a tank claim 3 , comprising:supplying a gaseous fuel to an engine via a tank;operating the engine with the gaseous fuel and a first valve timing at a first condition when a pressure of the gaseous fuel is greater than a first threshold;operating the engine with the gaseous fuel and a second valve timing at the first condition when the pressure of the gaseous fuel is less than the first threshold; anddeactivating the gaseous fuel at each of intake manifold pressure greater than the pressure of the gaseous fuel and pressure of the gaseous fuel substantially at ambient pressure.8. The ...

SYSTEM AND METHOD FOR CONTROLLING A TORQUE CONVERTER CLUTCH

Methods and systems for operating a torque converter clutch of an automatic transmission are presented. In one non-limiting example, the torque converter clutch is closed to provide a threshold torque capacity during a vehicle launch. If an engine torque request is less than the threshold torque capacity, the torque converter clutch remains closed. 1. A method for operating a driveline of a vehicle , comprising:adjusting a torque capacity of a torque converter clutch to provide a non-zero torque capacity in response to a vehicle speed of zero; andopening the torque converter clutch in response to a transmission input torque request greater than the non-zero torque capacity after adjusting the torque capacity of the torque converter clutch to provide the non-zero torque capacity.2. The method of claim 1 , further comprising automatically applying vehicle wheel brakes in response to the vehicle speed being less than the threshold and a driver requested torque being less than a threshold while the torque capacity of the torque converter clutch is adjusted to the non-zero torque capacity.3. The method of claim 1 , further comprising fully opening the torque converter clutch in response to a predetermined actual total number of accelerator pedal applications and releases after adjusting the torque capacity of the torque converter clutch to provide the non-zero torque capacity.4. The method of claim 3 , where the predetermined actual total number of accelerator pedal applications and releases occur with a threshold amount of time of each other claim 3 , and wherein the non-zero torque capacity is a torque capacity sufficient to allow the vehicle to accelerate the vehicle to a desired speed in a threshold amount of time.5. The method of claim 1 , where the transmission input torque request is based on accelerator pedal position.6. The method of claim 1 , further comprising adjusting the torque capacity of the torque converter clutch to provide the non-zero torque capacity ...

System and method for improving exhaust gas recirculation for a turbocharged engine

Ein System und Verfahren zur Zuführung von AGR zu einem Verbrennungsmotor wird dargestellt. Das System kann die Kosten und die Komplexität des Systems verringern. A system and method for supplying EGR to an internal combustion engine is illustrated. The system can reduce the cost and complexity of the system.

Engine output control system and method

A system for an engine, comprising of a cylinder located in the engine; a first injector for injecting a first fuel into said cylinder; a second injector for injecting a second fuel into said cylinder; and a controller configured to vary an amount of said first and second fuel injection during engine operation based on operating conditions, where amounts of variation of said first and second fuels are set to maintain desired engine output and provide a substantially stoichiometric mixture.

Internal combustion engine`s output controlling system for e.g. hybrid electric vehicle, has control device provided to change amount of fuel injections during operation of engine based on operating conditions

The system has a cylinder (30) arranged in an internal combustion engine (10), and a cylinder direct injection valve and a channel injection valve for injecting different fuels into a cylinder. A control device (12) is provided to change amount of the fuel injections during operation of the engine based on operating conditions, where the change in the amount of the fuel injections is controlled such that an engine -target output is maintained and a stoichiometric mixture is provided.

Engine output control system and method

A method for a boosted engine including first and second injectors includes adjusting boost during a disabled condition of a first injector to compensate for lack of fuel injected from said first injector, said first injector supplying a fuel to a cylinder of said engine; and adjusting boost during a disabled condition of a second injector to compensate for lack of fuel injected from said second injector, said second injector supplying said fuel to said cylinder of said engine.

Fuel system for multi-fuel engine

A fuel system and a method of operation of the fuel system are described in the context of a multi-fuel internal combustion engine. As a non-limiting example, the method includes: varying a composition of fuel supplied to an inlet of a fuel pump responsive to engine output; operating the fuel pump to provide pressurized fuel at an outlet of the fuel pump using the fuel received at the inlet of the fuel pump; supplying the pressurized fuel from the outlet of the fuel pump to the internal combustion engine and to a fuel separator; and varying a proportion of the pressurized fuel supplied to the internal combustion engine relative to the fuel separator responsive to the engine output.

Engine boost control for multi-fuel engine

A fuel delivery system for an internal combustion engine and a method of operating the fuel delivery system is described. As one example, the method includes delivering a first fuel blend from a first fuel tank to the engine; delivering a second fuel blend from a second fuel tank to the engine, the proportion of said second fuel blend delivered to the engine to said first fuel blend delivered to the engine being related to the desired engine output; transferring said first fuel blend from said first fuel tank to said second fuel tank to prevent an amount of said first fuel blend and said second fuel blend in said second fuel tank from falling below a predetermined level; and boosting air delivered to the engine, the amount of boosting being related to latent heat of vaporization of said second fuel blend delivered to the engine.

Fuel system for multi-fuel engine

An engine system and corresponding control method are described. As one example, the control method includes: combusting fuel from a first fuel tank during a first engine operating condition; combusting fuel from a second fuel tank during a second engine operating condition; transferring fuel from the first fuel tank to the second fuel tank when a fuel level of the second fuel tank falls below a predetermined level; delivering air to the engine from an air compressor; and adjusting the compressor based on a combustion characteristic of fuel from the second tank.

Control for knock suppression fluid separator in a motor vehicle

A fuel system for an engine of a vehicle and a method of operating the fuel system are described. As a non-limiting example, the fuel system is controlled in response to engine operating conditions.

Fuel delivery system for multi-fuel engine

A fuel delivery system for an internal combustion engine is provided, which includes a valve including at least a first valve setting and a second valve setting; a first fuel storage tank fluidly coupled with a first fuel receiving end of the valve; a second fuel storage tank fluidly coupled with a second fuel receiving end of the valve; a port fuel injector fluidly coupled with a first fuel dispensing end of the valve, said port fuel injector configured to deliver fuel to a cylinder of the internal combustion engine; a direct fuel injector fluidly coupled with a second fuel dispensing end of the valve, said direct fuel injector configured to deliver fuel to the cylinder of the internal combustion engine; and a control system configured to selected one of the first valve setting and the second valve setting in response to an operating condition.

Fuel system for multi-fuel engine

An engine system and corresponding control method are described. As one example, the control method includes transferring one type of fuel from one fuel tank to a second fuel tank holding another type of fuel and adjusting an engine operating parameter based on the blended fuel mixture by selective operation of a first and second fuel pump.

Engine boost control for multi-fuel engine

A fuel delivery system for an internal combustion engine and a method of operating the fuel delivery system is described. As one example, the method includes delivering a first fuel blend from a first fuel tank to the engine; delivering a second fuel blend from a second fuel tank to the engine, the proportion of said second fuel blend delivered to the engine to said first fuel blend delivered to the engine being related to the desired engine output; transferring said first fuel blend from said first fuel tank to said second fuel tank to prevent an amount of said first fuel blend and said second fuel blend in said second fuel tank from falling below a predetermined level; and boosting air delivered to the engine, the amount of boosting being related to latent heat of vaporization of said second fuel blend delivered to the engine.

Engine boost control for multi-fuel engine

A fuel delivery system for an internal combustion engine and a method of operating the fuel delivery system is described. As one example, the method includes delivering a first fuel blend from a first fuel tank to the engine; delivering a second fuel blend from a second fuel tank to the engine, the proportion of said second fuel blend delivered to the engine to said first fuel blend delivered to the engine being related to the desired engine output; transferring said first fuel blend from said first fuel tank to said second fuel tank to prevent an amount of said first fuel blend and said second fuel blend in said second fuel tank from falling below a predetermined level; and boosting air delivered to the engine, the amount of boosting being related to latent heat of vaporization of said second fuel blend delivered to the engine.

Engine boost control for multi-fuel engine

A fuel delivery approach for an engine includes delivering a first fuel blend from a first, lower alcohol fuel tank to a port injector; delivering a second, higher alcohol, fuel to a direct injector, and transferring the first fuel from the first tank to the second tank so that the first tank is emptied before the second. In this way, at least some fuel is available for direct injection even when the higher alcohol fuel is exhausted prior to the lower alcohol fuel. Thus, it is possible to at least obtain charge cooling benefits of direct injection, and therefore the engine may be operated with a greater amount of boost.

Engine output control system and method

A system for an engine, comprising a cylinder located in the engine, a turbocharger coupled to the engine, a first injector for injecting a first fuel into said cylinder, wherein said first injector is a direct cylinder injector where said direct cylinder injector delivers a liquid including an alcohol, a second injector for injecting a second fuel into said cylinder, wherein said second injector is a port injector, where said port injector delivers a liquid including gasoline, a catalytic device configured to receive exhaust gases produced by at least the cylinder, and a controller configured to vary an amount of said first and second fuel injection during engine operation based on operating conditions, where amounts of variation of said first and second fuels are set to maintain a substantially stoichiometric mixture, the controller further configured to increase a relative amount of injection of the second injector in response to an indication of engine knock during a first operating condition, decrease engine boosting in response to the indication of engine knock during a second condition; and retard ignition timing in response the indication of engine knock during a third condition.

System and method for compensation of fuel injector limits

A method for an engine configured to deliver an actively varying relative ratio of a first and second fuel via a delivery system having a first and second injector for a cylinder of the engine, where the first fuel has a lesser relative amount of alcohol, the method comprising of varying an amount of injection from the first and second injector with operating conditions, when said variation causes said first injector to approach a first minimum opening condition, increasing injection of said second injector and disabling said first injector, and when said variation causes said second injector to approach a second minimum opening condition, avoiding further reduction of said second injector and decreasing injection of said first injector.

METHOD FOR MEASURING A CAMSHAFT POSITION

Procédé destiné à mesurer et à commander la synchronisation de cames d'un moteur à combustion interne utilisant un procédé de filtrage sur la base d'un certain nombre de dents également espacées monté sur l'arbre à cames. Le procédé de filtrage supprime spécifiquement certaines oscillations provoquées par les effets de torsion de l'arbre à cames et élimine également spécifiquement des oscillations dues à la variabilité de fabrication. A method for measuring and controlling the cam timing of an internal combustion engine using a filtering method based on a number of equally spaced teeth mounted on the camshaft. The filtering process specifically suppresses certain oscillations caused by the torsional effects of the camshaft and also specifically eliminates oscillations due to manufacturing variability.

Single solenoid unit injector

A fuel injector (10) is provided for each cylinder of an internal combustion engine, the injector including an electronically operated control valve (146) disposed between supply passage 42 and a timing chamber (98) to control the admission of fuel into and out of the timing chamber. A primary pumping plunger (62) and a secondary plunger (90) are axially spaced within the central bore of the injection body, and a normally closed injection nozzle (14) is situated at one end of the injector body. A mechanical linkage (27, 28, 30) associated with the camshaft of the engine drives the primary pumping plunger (62) against the bias of a main spring (18). The timing chamber (98) is defined between the plungers (62, 90) and a metering chamber (128) is defined between the secondary plunger (90) and the nozzle (14). An electronic control unit (52) responds to engine operating conditions, and delivers a timing and metering signal to the control valve (146) to close the valve and seal the timing chamber for a controlled period of time. The sealed timing chamber forms a hydraulic link, so that the plungers (62, 90) move in concert during the injection and metering phases of the cycle of operation. When the signal from the ECU is terminated, the control valve opens, and breaks the link so that the primary plunger (62) moves independently of the secondary plunger (90) which is biased in a set position by a spring (96) after termination of the control signal. The timing function can be adjusted by the ECU relative to any preselected position of the crankshaft to optimize engine performance, while the metering function is achieved in a proportionate manner relative to the degree of camshaft rotation. A cam (22), having a linear portion, controls the mechanical linkage, and thus the primary pumping plunger (62), to produce the proportional metering function.

System and method for improving exhaust gas recirculation for a turbocharged engine

A system and method for delivering EGR to an internal combustion engine is presented. The system can reduce system cost and lower system complexity.

Switching versions of software in a system background

A multi-node parallel processing system includes modules to perform version switching of software. In one arrangement, the operating system running in each node of the parallel processing is a WINDOWS® operating system. While one software version is running in the system, another version may be installed and stored in a different versioned directory. The installed software version may be marked as the desired version. If a version switch is to be performed, version switch software instances may be launched in each of the nodes. The version switch software instances then determine which of the nodes in the parallel processing system are available to perform the version switch. One of the version switch software instances is marked as the master instance. The master instance accesses the nodes (identified as available to perform the version switch) in the system to determine if a version switch is to be performed. If so, the current running software version is stopped and unloaded and the new version loaded.

Explosive detonating device

Inflation time control for safety device

Apparatus for transmitting an electrical current from a power supply to a gas source during a time interval which varies in inverse proportion to the impact velocity of a vehicle in which the apparatus is disposed. A portion of the gas is released from the gas source upon receipt of the electrical pulse. Another portion of the gas is released from the source independently of the pulse. The released gas passes into a bag, which inflates during a time interval determined by the impact velocity of the vehicle, thereby serving to protect occupants or other mobile objects within the vehicle.

System and method for storing crankcase gases to improve engine air-fuel control

A system and method for improving processing of gases contained within the crankcase of an internal combustion engine is presented. The system is especially suited for single boiling point fuels because it allows the storage of such fuels until the fuel can be opportunistically combusted.

Pumping unit lock down apparatus

A lock down apparatus for use with an oil well pumping unit of the walking beam type. It includes upper and lower clamps for attachment to the walking beam and to the bottom frame of the unit, respectively, and an adjustable tensioning arrangement extending between the two clamps. Part of the tensioning unit is a wire rope with plastic buttons pressed onto the rope at suitably spaced intervals. A coupler for latching to the particular button which is selected for adjustment for the distance between the walking beam and its frame is provided. Once the tensioning unit is in place, a turnbuckle is tightened to increase the tension to hold the walking beam in a lowered position, against inadvertent release of the pumping unit safety brake.

Air/fuel ratio control system

Approach for facilitating engine mode transitions

A method of transitioning a cylinder of an engine from a spark ignition mode to a homogeneous charge compression ignition mode, the cylinder having at least one electrically actuated intake valve and at least one exhaust valve, the method comprising of before a transition, operating the cylinder with at least some overlap between an opening event of the intake valve and an opening event of the exhaust valve in the spark ignition mode; in response to a transition request, operating the cylinder with at least some negative overlap between an opening event of the intake valve and an opening event of the exhaust valve, retarding the intake valve opening and closing timing by different amounts and retarding ignition timing; and further increasing negative overlap and performing the homogeneous charge compression ignition mode.

System and Method for Compensation of Fuel Injector Limits

A method for an engine configured to deliver an actively varying relative ratio of a first and second fuel via a delivery system having a first and second injector for a cylinder of the engine, where the first fuel has a lesser relative amount of alcohol, the method comprising of varying an amount of injection from the first and second injector with operating conditions, when said variation causes said first injector to approach a first minimum opening condition, increasing injection of said second injector and disabling said first injector, and when said variation causes said second injector to approach a second minimum opening condition, avoiding further reduction of said second injector and decreasing injection of said first injector.

METHOD FOR MEASURING A CAMSHAFT POSITION

Engine valve operation

Various approaches are described for operating an engine in a vehicle having variable valve operation for an intake and/or exhaust valve of the cylinder. In one example, a method comprises delivering a first fuel to a cylinder of the engine from a first injector; delivering a second fuel to the cylinder of the engine from a second injector, where a composition of at least one of the first or second fuels varies; and adjusting the variable valve operation responsive to the varying composition and further based on variation in the delivery of the first or second fuel.

Air/fuel ratio control system

Inflatable restraint systems for ejection flight vests

Direct liquid injection of liquid petroleum gas

Abstract: DIRECT LIQUID INJECTION OF LIQUID PETROLEUM GAS A fuel injector and injection system for injecting liquified petroleum gas (LPG) into at least one air/fuel mixing chamber from a storage means that stores pressurized LPG in its liquid state. The fuel injector (including a body), adapted to receive pressurized LPG from the storage means and for selectively delivering the LPG to the air/fuel mixing chamber in its liquified state. The system including means for correcting the injector activation signal for pressure and density variations in the fuel.

Generic kernel modification for the dynamic configuration of operating systems in a multi-processor system

A method, apparatus, and article of manufacture for configuring an operating system on a multi-processor computer system. A generic kernel of the operating system is created for use on all of the processors of the multi-processor computer system. Tables within the generic kernel of the operating system are allocated that are large enough to be used with any of the processors of the multi-processor computer system. The generic kernel of the operating system is then copied to a plurality of data storage devices of the multi-processor computer system, wherein each of the data storage devices is associated with a different, specified one of the processors. Each of the copied generic kernels are modified to ensure that the allocated tables therein are correctly configured for the specified one of the processors of the multi-processor computer system.

Catalyst based adaptive fuel control

An air/fuel control system and method for controlling an air/fuel ratio entering an engine are disclosed. The system comprises a controller and two sensors. In operation, a first feedback loop is created around the engine to control the oxygen concentration in the exhaust gas. A second feedback loop is created around the engine and emission control device to adjust the air/fuel ratio. An emission control device model is used to modify the air/fuel ratio adjustment. A learned integral bias table, responsive to engine speed and engine load, is provided in the second feedback loop. Entries in the learned integral bias table are modified, one at a time, based upon integrated measurements of the downstream oxygen concentration made while the engine and catalyst are under stable operating conditions.

Restraint system for a flight helmet

A restraint system for a flight helmet (30) that functions to hold the head steady and centrally located in the aircraft seat (20). The inflatable (32) is stored on the helmet and upon activation of an ejection sequence. The inflatable member (32) is inflated and breaks a frangible cover (34) to rest on the shoulders. In addition, the inflatable member operates to seal the neck and, in another embodiment, to shield the face from the windblast the air crewmember (22) encounters during ejection. The inflatable member can also function to lift the head and reduce spinal compression encountered during ejection.

Power drawfinger system for machine tool spindle.

Systeme de doigts de tirage mecaniques servant a tirer et ejecter un porte-outils dans un tour de machine-outil, ne presentant pas de danger de defaillance en cas de defaillance a cause d'un effort du dispositif de doigts de mandrin. Un porte-outils (20) avec une tete de serrage (21) est tire a l'interieur d'un tour mecanique par un dispositif de mandrin (24) possedant des doigts de serrage individuels (59) et couples a une tige de tirage (22). La tige de tirage (22) possede une tete de tige de tirage (32) qui actionne les doigts (59) du dispositif de mandrin (24) au moyen d'un mamelon (61) d'actionnement. Le support anti-defaillance est constitue par une bride de prevention (65) sur l'extremite de la barre de tirage qui agit reciproquement sur une bride elargie de surete (64) sur la partie centrale de chaque doigt (59) de mandrin de maniere a maintenir les doigts de mandrin engages dans la tete de serrage (21) du porte-outils meme en cas de cassure d'un doigt (59) de mandrin a cause d'un effort pendant le fonctionnement du tour. System of mechanical pulling fingers for pulling and ejecting a tool holder in a machine tool lathe, presenting no danger of failure in the event of failure due to an effort of the chuck finger device. A tool holder (20) with a clamping head (21) is drawn inside a mechanical lathe by a mandrel device (24) having individual clamping fingers (59) and couples to a pull rod (22). The pull rod (22) has a pull rod head (32) which actuates the fingers (59) of the mandrel device (24) by means of an actuating nipple (61). The anti-failure support is constituted by a prevention flange (65) on the end of the draw bar which acts reciprocally on an enlarged safety flange (64) on the central part of each chuck finger (59) in a manner maintaining the mandrel fingers engaged in the clamping head (21) of the tool holder even in the event of a mandrel finger (59) breaking due to an effort during the operation of the lathe.

Inflation apparatus

Apparatus for variably controlling the burn time of a fixed amount of gas generating material used for inflating purposes. Gas developed by combustion of the gas generating material passes through a conduit. A blocking means is provided which, when selectively disposed in the conduit, decreases the cross-sectional area thereof and partially blocks the flow of the generated gas therethrough. The burn time of the gas generating material then decreases and the mass flow rate of the generated gas through the conduit is increased. The apparatus is especially adapted for use with motor vehicle passive restraint systems wherein, upon impact of the vehicle, a bag is rapidly inflated by the gas to protect passengers or other mobile objects of the vehicle.

Token operated ice dispenser

A token operated dispenser of metered quantities of crushed or cubed ice comprising a housing, a cylindrical magazine in the housing and having access and discharge openings, a closure rotatable on a shaft to close one opening while clearing the other, and a token-responsive clutch mechanism for controlling rotation of the closure. The clutch comprises two adjacent, coaxial members complementally forming a coin pocket such that a coin in the pocket mechanically couples the two members for common rotation. A cam ejects the token.

Driver feedback to improve vehicle performance

A system for providing driver feedback is disclosed. In one embodiment, the system provides a driver with feedback in response to a brake pedal and an accelerator pedal. The system may help to increase vehicle fuel economy.

Electromechanically actuated valve control for an internal combustion engine

A method is presented to control engine valve selection of an internal combustion engine. Electromechanical valves are selected in a manner to reduce fuel consumption and improve engine drivability.

Side impact air bag system

An air bag (10) is stored in a compartment (22) at the side of a vehicle seat. The bag (10) is clamped to a manifold (42) extending along the bag length. A housing (44) holding an expansible gas is disposed within the manifold (42) and is isolated from the manifold (42) by a diaphragm (66). A rupturable container (77) holding particles of a pyrotechnic material (46) is disposed in the housing (44). Ignition of the pyrotechnic material (46) causes the container (77) to rupture before the combustion of the material (46) is completed. The partially combusted pyrotechnic particles combust in the housing (44) and transfer heat to the gas in the housing (44) to expand the gas. This causes the diaphragm (66) to rupture, thereby providing gas flow to the air bag (10).

System and method for controlling engine air/fuel ratio during hydrocarbon trap purging

A method and system are provided for controlling the air/fuel ratio provided to an internal combustion engine during the time period when a hydrocarbon trap, coupled downstream of time engine, is being purged. In particular, the air/fuel ratio provided to the engine is biased rich of stoichiometry when the downstream hydrocarbon trap is being purged.

Pressure-time controlled unit injector

Abstract: PRESSURE-TIME CONTROLLED UNIT INJECTOR A fuel injector (10) is provided for each cylinder of an internal combustion engine, the injector including an electronically operated control valve (60) disposed between supply passage (4 2) and a timing chamber (80) to control the admission of fuel into and out of the timing chamber. A primary pumping piston (62) and a secondary floating piston (72) are axially spaced within the central bore (70) of the injection body, and a normally closed injection nozzle (14) is situated at one end of the injector body. A mechanical linkage (27, 28, 30) associated with the camshaft of the engine drives the primary pumping piston (62) against the bias of a main spring (18). The timing chamber (80) is defined between the pistons (62, 72) and a metering chamber (82) is defined between the secondary piston (72) and the nozzle (14). An electronic control unit (52) responds to engine operating conditions, and delivers a signal to the control valve (60) to close the valve and seal the timing chamber for a controlled period of time to form a hydraulic link so that the pistons (62, 72) move in concert during the injection and metering phases of the cycle of operation. When the signal from the ECU is terminated, the control valve opens, and breaks the link so that the primary piston (62) moves independently of the secondary piston (72). The timing function can be adjusted by the ECU relative to any preselected position of the crankshaft to optimize engine performance. The metering function is controlled by the pressure drop across a restricting orifice (98) in the passageway feeding fuel to the metering chamber (82). The flow rate through the metering orifice is proportional to the square root of the pressure drop across the orifice.

Vehicle safety system

Einspritzventil und verfahren zur elektronischen betaetigung eines einspritzventils.

Lap mounted inflatable bag and method of use

A vehicle restraint system for a seated occupant including a lap belt (16) and an inflatable member (18) mounted on the lap belt (16) and restrained by the belt when inflated. The inflatable member (18) is sized and shaped so that one inflatable member surface (18a) functions to prevent or limit inflatable member rotation by engaging a substantial area including the occupant's lap and seat thereunder. Another rearward member surface (18b) restrains occupant's torso movement. The belt (16) may pass through or around the inflatable member. The lap belt system may contain a collision detector and gas creating arrangement.

System und Verfahren zum Neustarten eines Motors

Verfahren zum Steuern eines Motors in einem Fahrzeug, wobei der Motor mit einem Getriebe gekoppelt ist, wobei das Verfahren umfasst:unter einer ersten Betriebsbedingung Abschalten des Motors und Herunterdrehen des Motors auf Ruhezustand, während das Fahrzeug fährt; undals Reaktion auf eine zweite Betriebsbedingung Neustarten des Motors durch zumindest teilweises Einrücken des Getriebes, um ein Hochdrehen des Motors aus dem Ruhezustand zu unterstützen, während das Fahrzeug fährt.

Integrierte Gaskraftstoffzufuhranlage

Es wird eine integrierte Gaskraftstoffzufuhranlage an die Hand gegeben. Die Anlage umfasst einen Speichertank zum Aufnehmen eines Gaskraftstoffs und eine innerhalb des Speichertanks angeordnete und zum Regeln eines Drucks vom von dem Speichertank zugeführten Gaskraftstoff ausgelegte Druckregelanlage.

Inflatable l shaped airbag for an inflatable restraint system

An inflatable air bag is folded against a seat belt that is secured around the waist of a vehicle occupant and is enclosed by a tubular webbing. Upon a sudden deceleration of a vehicle, the air bag inflates and takes an L-shaped form, comprising a torso section, a waist section, a lap section and a rearward protrusion extending from the upright portion of the L. The waist section bears against the occupant and pushes him back into the seat whereas the torso and lap sections push the occupant back and down into the seat. The method of folding the air bag determines the deployment sequence of the sections. A deflation member releases the pressure in the airbag a predetermined time after its inflation.

Inflation method and apparatus of inflatable object

The present invention relates to an inflator device that is adapted for producing a sufficient quantity of a gaseous product to substantially inflate an inflatable member. The inflator device has a first stage gas source in fluid communication with a second stage gas source, which, in turn, is in fluid communication with the inflatable member. The second stage gas source contains a liquified gas in an amount sufficient to inflate the inflatable member upon vaporization of the liquified gas, and the first stage gas source is capable of providing a sufficient quantity of gas at a sufficiently high temperature to the second stage gas source to vaporize substantially all of the liquified gas in the second stage gas source.

Inflation method and apparatus of inflatable object

The present invention relates to an inflator device that is adapted for producing a sufficient quantity of a gaseous product to substantially inflate an inflatable member. The inflator device has a first stage gas source in fluid communication with a second stage gas source, which, in turn, is in fluid communication with the inflatable member. The second stage gas source contains a liquified gas in an amount sufficient to inflate the inflatable member upon vaporization of the liquified gas, and the first stage gas source is capable of providing a sufficient quantity of gas at a sufficiently high temperature to the second stage gas source to vaporize substantially all of the liquified gas in the second stage gas source.

Inflation method and apparatus of inflatable object

An inflator device (100) that is adapted for producing a sufficient quantity of a gaseous product to substantially inflate an inflatable member (103) is disclosed. The inflator device (100) has a first stage gas source (101) in fluid communication with a second stage gas source (102), which, in turn, is in fluid communication with the inflatable member (103). The second stage gas source (102) contains a liquified gas (11) in an amount sufficient to inflate the inflatable member upon vaporization of the liquified gas (11), and the first stage gas source (101) is capable of providing a sufficient quantity of gas at a sufficiently high temperature to the second stage gas source (102) to vaporize substantially all of the liquified gas (11) in the second stage gas source (102).

Sistema de contenção para veìculo, e, processo para conter um ocupante de um veìculo durante desaceleração rápida

"SISTEMA DE CONTENçãO PARA VEìCULO, E, PROCESSO PARA CONTER UM OCUPANTE DE UM VEìCULO DURANTE DESACELERAçãO RáPIDA". Um sistema de contenção de veículo para um ocupante sentado, que inclui um elemento inflável 18 montado em um cinto abdominal 16 e contido pelo cinto quando inflado. O elemento inflável 18 é dimensionado e conformado de modo que uma superfície 18a funciona para limitar rotação do elemento inflável 18 engatando uma área substancial que inclui o colo do ocupante e o assento sob ele. Uma superfície traseira 18b do elemento inflável 18 contém o movimento do torso do ocupante. O cinto 16 pode passar através de ou ao redor do elemento inflável 18.

Einstellung des Ventilspiels bei einem Motor mit elektrisch betätigten Ventilen

Es wird ein System und Verfahren zum Steuern von in einem Motor arbeitenden elektromechanischen Ventilen vorgestellt. Nach dem Verfahren kann die Levitationsstellung des Ankers geändert werden, um sich ändernden Wachstumsraten des Ventilschafts Rechnung zu tragen. Mit dem Verfahren kann das Ventilgeräusch unter einem weiten Bereich von Motorbetriebsbedingungen verringert werden.

Inflatable l shaped airbag for an inflatable restraint system

An inflatable air bag is folded against a seat belt that is secured around the waist of a vehicle occupant and is enclosed by a tubular webbing. Upon a sudden deceleration of a vehicle, the air bag inflates and takes an L-shaped form, comprising a torso section, a waist section, a lap section and a rearward protrusion extending from the upright portion of the L. The waist section bears against the occupant and pushes him back into the seat whereas the torso and lap sections push the occupant back and down into the seat. The method of folding the air bag determines the deployment sequence of the sections. A deflation member releases the pressure in the airbag a predetermined time after its inflation.

Verfahren und vorrichtung zum aufblasen von gegenständen

Lap mounted inflatable bag and method of use

A vehicle restraint system for a seated occupant including an inflatable member (18) mounted on a lap belt (16) and restrained by the belt when inflated. The inflatable member (18) is sized and shaped so that one surface (18a) functions to limit rotation of the inflatable member (18) by engaging a substantial area including the occupant's lap and the seat thereunder. A rearward surface (18b) of the inflatable member (18) restrains occupant's torso movement. The belt (16) may pass through or around the inflatable member (18).

Seat belt alarm with starter engine lock and alarm

Verfahren und System zur Ermittlung der Luftladung im Zylinder für zukünftige Motorereignisse

Inflatable restraint systems for ejection seats

Puppe mit einstellbarer Haarlänge

Anchorage for an inflatable seat belt

A seat belt anchorage system (12) for securing an inflatable seat belt in a vehicle has an inflator generating inflation-fluid and supplying the fluid through a fluid distribution member (18) to a fluid receiving tube connected to the inflatable seat belt. The system shown being fully self-contained, that is not relying on external power, is adaptable to be secured to the vehicle during the initial manufacture of a vehicle or can be field retrofitted on existing vehicles. The seat belt anchorage system may be secured to the seat (10), seat back, seat frame, vehicle floor or vehicle structural member. The inflator (14) is either coupled by a conduit (16) or directly connected to the fluid distribution member. Of course if external power is available, the only portion of the anchorage system that will be changed is the configuration of the control of the inflator. Therefore, this system is transparent to the type and style of inflator devices.

Anchorage for an inflatable seat belt

A seat belt anchorage system (12) for securing an inflatable seat belt in a vehicle has an inflator generating inflation-fluid and supplying the fluid through a fluid distribution member (18) to a fluid receiving tube connected to the inflatable seat belt. The system shown being fully self-contained, that is not relying on external power, is adaptable to be secured to the vehicle during the initial manufacture of a vehicle or can be field retrofitted on existing vehicles. The seat belt anchorage system may be secured to the seat (10), seat back, seat frame, vehicle floor or vehicle structural member. The inflator (14) is either coupled by a conduit (16) or directly connected to the fluid distribution member. Of course if external power is available, the only portion of the anchorage system that will be changed is the configuration of the control of the inflator. Therefore, this system is transparent to the type and style of inflator devices.

System and method for emptying a tank

A system for method for emptying a gas storage tank of a vehicle is presented. In one example, engine valve timing is adjusted to facilitate reducing pressure within the gas storage tank. The system and method may extend the use of the gas stored in the gas storage tank.

Method and system for improving engine starting

An engine system and method for improving engine starting are disclosed. In one example, engine port throttles are adjusted to improve fuel vaporization of a fuel that includes alcohol. The system and method may improve engine starting and emissions.