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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 28. Отображено 26.
06-09-2016 дата публикации

Control system for engine

Номер: US0009435285B2
Автор: Aaron Foege, David T. Montgomery, Farhan Devani, Scott B. Fiveland, FOEGE AARON, MONTGOMERY DAVID T, DEVANI FARHAN, FIVELAND SCOTT B, Foege Aaron, Montgomery David T., Devani Farhan, Fiveland Scott B.
Принадлежит: Electro-Motive Diesel, Inc., FOEGE AARON, MONTGOMERY DAVID T, DEVANI FARHAN, FIVELAND SCOTT B, ELECTRO-MOTIVE DIESEL INC, Foege Aaron, Montgomery David T., Devani Farhan, Fiveland Scott B.

A control system for an engine including a fuel delivery system and an ignition source is provided. The control system includes a detector, a processor, and at least one actuator. The detector is configured to sense a signal to change from a compression ignited fuel to a spark ignited fuel. The processor is configured to receive the signal from the detector and generate an actuation signal. The actuator is configured to receive the actuation signal, vary an operating speed of the engine, and selectively control at least one of the fuel delivery system and the ignition source.

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Номер записи: 1
13-09-2016 дата публикации

Fuel system having sealed injection port

Номер: US0009441529B2
Автор: Deep Bandyopadhyay, Farhan Devani, Edward John Cryer, BANDYOPADHYAY DEEP, DEVANI FARHAN, CRYER EDWARD JOHN, Bandyopadhyay Deep, Devani Farhan, Cryer Edward John
Принадлежит: Electro-Motive Diesel, Inc., ELECTRO-MOTIVE DIESEL INC

A nozzle assembly for a gaseous fuel injector of an engine is disclosed. The nozzle assembly may include a gaseous fuel injector having a nozzle with a tip end. The nozzle assembly may also include a blocking member having an inner contact surface configured to receive a periphery of the nozzle at the tip end, and an outer contact surface configured to engage an air intake port of a cylinder and create a hermetic seal between the gaseous fuel injector and the air intake port.

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Номер записи: 2
02-01-2014 дата публикации

COMPRESSION RING FOR AN ENGINE

Номер: US20140000549A1
Автор: Cryer Edward John, Devani Farhan Ferozali, Foege Aaron Gamache, Graczyk Frank Matthew, Stone David Edward Burrell
Принадлежит:

A compression ring for an engine is disclosed. The compression ring may have a cylindrical body having an outer surface, and a central opening formed within the cylindrical body and concentric with the outer surface of the cylindrical body. The cylindrical body may have a radial dimension from the central opening to the outer surface that is about 1.1 to 1.3 times as long as an axial dimension of the cylindrical body. 1. A piston ring , comprising:a cylindrical body having an outer surface; anda central opening formed within the cylindrical body and concentric with the outer surface of the cylindrical body,wherein the outer surface of the cylindrical body includes a napier-style hooked scraper and at least one annular groove filled with an iron-based material.2. The piston ring of claim 1 , wherein a radial dimension of the cylindrical body is about 1.5 to 1.7 times as long as an axial dimension of the cylindrical body.3. The piston ring of claim 1 , wherein the cylindrical body is made of a stainless steel base material.4. The piston ring of claim 1 , wherein the cylindrical body is barrel-shaped.5. The piston ring of claim 1 , wherein the cylindrical body includes two ends separated by a gap claim 1 , each of the two ends having a tip protrusion relief.6. A piston assembly claim 1 , comprising:a cylinder liner;a piston crown disposed within the cylinder liner;a compression ring disposed within a groove of the piston crown, wherein a radial width of the compression ring is about 1.5 to 1.7 times as long as an axial thickness of the compression ring; andthe compression ring includes a cylindrical body having an outer surface; anda central opening formed within the cylindrical body and concentric with the outer surface of the cylindrical body;wherein the outer surface of the cylindrical body includes a napier-style hooked scraper and at least one annular groove filled with an iron-based material.7. The piston assembly of claim 6 , wherein the groove of the piston ...

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Номер записи: 3
13-03-2014 дата публикации

Cylinder liner having three-tiered surface finish

Номер: US20140069272A1
Автор: Edward Cryer, Farhan Ferozali Devani
Принадлежит: Electro Motive Diesel Inc

A cylinder assembly for use in an internal combustion engine is disclosed, The cylinder assembly may include a cylinder, a piston disposed within the cylinder, a plurality of piston rings encircling the piston, and a cylinder liner fitted around the piston in a cylindrical space in which the piston reciprocates. The piston may reciprocate within the cylinder along a longitudinal direction of the cylinder. The cylinder liner may include an upper section, a middle section, and a lower section. The upper section may be composed of a first texture; the middle section may be composed of a second texture that is rougher than the first texture; and the lower section may be composed of a third texture that is smoother than the first texture and the second texture.

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Номер записи: 4
03-04-2014 дата публикации

SYSTEM FOR HARDENING A CYLINDRICAL METAL COMPONENT

Номер: US20140091063A1
Автор: Devani Farhan, Foege Aaron Gamache
Принадлежит: Electro-Motive Diesel, Inc.

A system for hardening a cylindrical metal component is disclosed. The system may include a current generating device configured to pass current through the cylindrical metal component, and an actuator configured to axially move the current generating device through the cylindrical metal component. The system may also include a controller in communication with the current generating device and the actuator, the controller being configured to cause the current generating device to pass current through a first end section of the cylindrical metal component to heat the first end section of the cylindrical metal component. The controller may also be configured to inhibit the current generating device from passing current through a middle section of the cylindrical metal component, and cause the current generating device to pass current through a second end section of the cylindrical metal component to heat the second end section of the cylindrical metal component. 1. A system for hardening a cylindrical metal component , comprising:a current generating device configured to pass current through the cylindrical metal component in an annular direction to heat the cylindrical metal component;an actuator configured to axially move the current generating device through the cylindrical metal component; and cause the actuator to move the current generating device through the cylindrical metal component in a generally continuous manner;', 'cause the current generating device to pass current through a first end section of the cylindrical metal component to heat the first end section of the cylindrical metal component above a desired first hardening temperature as the current generating device moves through the first end section of the cylindrical metal component;', 'inhibit the current generating device from passing current through a middle section of the cylindrical metal component as the current generating device moves through the middle section of the cylindrical metal ...

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Номер записи: 5
01-01-2015 дата публикации

FUEL SYSTEM HAVING SEALED INJECTION PORT

Номер: US20150000640A1
Автор: Bandyopadhyay Deep, Cryer Edward John, Devani Farhan
Принадлежит:

A nozzle assembly for a gaseous fuel injector of an engine is disclosed. The nozzle assembly may include a gaseous fuel injector having a nozzle with a tip end. The nozzle assembly may also include a blocking member having an inner contact surface configured to receive a periphery of the nozzle at the tip end, and an outer contact surface configured to engage an air intake port of a cylinder and create a hermetic seal between the gaseous fuel injector and the air intake port. 1. A nozzle assembly , comprising;a gaseous fuel injector having a nozzle with a tip end; and an inner contact surface configured to receive a periphery of the nozzle at the tip end; and', 'an outer contact surface configured to engage an air intake port of a cylinder and create a hermetic seal between the gaseous fuel injector and the air intake port., 'a blocking member having2. The nozzle assembly of claim 1 , wherein only a portion of the tip end is exposed to an interior of the cylinder.3. The nozzle assembly of claim 1 , wherein the blocking member is generally rectangular and includes a centrally-located aperture configured to receive the nozzle.4. The nozzle assembly of claim 3 , wherein the aperture is substantially circular.5. The nozzle assembly of claim 4 , wherein an annular surface of the aperture is welded to the periphery of the nozzle.6. The nozzle assembly of claim 4 , wherein an annular surface of the aperture is press-fit over the periphery of the nozzle.7. The nozzle assembly of claim 4 , further including a separate ring having a first surface that is welded to the inner contact surface of the blocking member and a second surface that is press-fit over the tip end of the nozzle.8. The nozzle assembly of claim 1 , wherein the outer contact surface of the blocking member is welded to a port wall associated with the air intake port.9. The nozzle assembly of claim 1 , wherein the outer contact surface of the blocking member is press-fit with a port wall associated with the air ...

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Номер записи: 6
01-05-2014 дата публикации

FUEL SYSTEM RETROFIT KIT FOR AN ENGINE

Номер: US20140116388A1
Автор: Cryer, Devani Farhan, Foege Aaron G., III Edward J., Osthoff Dave
Принадлежит: Electro-Motive Diesel, Inc.

A retrofit kit for converting a single-fuel engine having an air box to run on two different fuels is disclosed. The kit may have at least one gaseous fuel injector mountable inside the air box and associated with each cylinder of the engine. The kit may further have a common flow regulator. The kit may also have at least one individual fuel supply line configured to connect the common flow regulator to the at least one gaseous fuel injector. The kit may additionally have a fuel supply and a common fuel supply line configured to connect the common flow regulator to the fuel supply. 1. A retrofit kit for converting a single-fuel engine having an air box and at least one cylinder to run on two different fuels , the retrofit kit comprising:at least one gaseous fuel injector mountable inside the air box and associated with each cylinder of the engine;a common flow regulator;at least one individual fuel supply line configured to connect the common flow regulator to the at least one gaseous fuel injector;a fuel supply; anda common fuel supply line configured to connect the common flow regulator to the fuel supply.2. The retrofit kit of claim 1 , further including mounting hardware to mount the at least one gaseous fuel injector at an air intake port of the associated cylinder.3. The retrofit kit of claim 2 , further including at least one replacement cylinder liner having pre-drilled holes for receiving the mounting hardware.4. The retrofit kit of claim 1 , further including a controller capable of communication with the common flow regulator.5. The retrofit kit of claim 4 , further including at least one sensor capable of communication with the controller claim 4 , the sensor configured to generate a signal indicative of a performance condition of the engine after conversion of the engine to run on two different fuels.6. The retrofit of claim 5 , wherein the at least one sensor is one of a temperature sensor claim 5 , a pressure sensor claim 5 , and a knock sensor.7. The ...

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Номер записи: 7
01-05-2014 дата публикации

FUEL SYSTEM HAVING A COOLED INJECTOR

Номер: US20140116393A1
Автор: Devani Farhan, Fiveland Scott B.
Принадлежит: Electro-Motive Diesel, Inc.

A fuel system for an engine is disclosed. The fuel system may have a gaseous fuel injector configured to inject gaseous fuel radially into a cylinder of the engine. The fuel system may also have a primary cooling line configured to circulate coolant through the engine. The fuel system may also have an auxiliary cooling line fluidly connecting the primary cooling line with the gaseous fuel injector. 1. A fuel system for an engine , comprising:a gaseous fuel injector configured to inject gaseous fuel radially into a cylinder of the engine;a primary cooling line configured to circulate a coolant through the engine; andan auxiliary cooling line fluidly connecting the primary cooling line with the gaseous fuel injector.2. The fuel system of claim 1 , further including an air box housing the gaseous fuel injector claim 1 , the primary cooling line claim 1 , and the auxiliary cooling line.3. The fuel system of claim 2 , wherein the air box is configured to direct air through an air intake port of the cylinder.4. The fuel system of claim 3 , wherein the gaseous fuel injector is mounted at the air intake port to inject gaseous fuel with the incoming air.5. The fuel system of claim 1 , wherein the auxiliary cooling line directs coolant around a valve block of the gaseous fuel injector.6. The fuel system of claim 1 , wherein the auxiliary cooling line directs coolant through a valve block of the gaseous fuel injector.7. The fuel system of claim 1 , further including a liquid fuel injector configured to inject liquid fuel into the cylinder.8. The fuel system of claim 1 , further including a return line fluidly connecting the auxiliary cooling line to the primary cooling line.9. The fuel system of claim 1 , wherein the coolant is water.10. The fuel system of claim 1 , wherein the coolant is oil.11. The fuel system of claim 1 , wherein the coolant is fuel to be injected by the gaseous fuel injector.12. A method of cooling a fuel injector of an engine comprising:circulating a ...

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Номер записи: 8
05-03-2015 дата публикации

ENGINE HAVING AN AIR BOX BAFFLE

Номер: US20150059340A1
Автор: Bandyopadhyay Deep, Devani Farhan
Принадлежит: Electro-Motive Diesel, Inc.

An engine is disclosed. The engine may have an air box. The engine may further have an opening into the air box. The engine may additionally have a baffle positioned adjacent the opening. The engine may also have a cylinder defining an intake port, with the intake port positioned in the air box. The baffle may be configured to deflect air that passes through the opening to direct the air away from the intake port of the cylinder. 1. An engine , comprising:an air box;an opening into the air box;a baffle positioned adjacent the opening, anda cylinder defining an intake port, the intake port positioned in the air box;wherein the baffle is configured to deflect air that passes through the opening to direct the air away from the intake port of the cylinder.2. The engine of claim 1 , wherein the air box includes a wall substantially perpendicular to the opening claim 1 , and the baffle extends away from the wall at an angle.3. The engine of claim 2 , wherein the baffle extends away from the wall at an angle of approximately 70-90°.4. The engine of claim 3 , wherein the baffle extends away from the wall at an angle of approximately 81°.5. The engine of claim 2 , wherein the baffle includes at least one intermediate section and a distal section claim 2 , the at least one intermediate section and the distal section extending away from the wall at different angles.6. The engine of claim 5 , wherein the at least one intermediate section extends away from the wall at an angle that is approximately 60-65% of an angle at which the distal section extends away from the wall.7. The engine of claim 5 , wherein the at least one intermediate section includes a first intermediate section and a second intermediate section claim 5 , the first intermediate section and the second intermediate section extending away from the wall at different angles.8. The engine of claim 1 , wherein the baffle is positioned such that a height of the baffle overlaps a height of the intake port.9. The engine ...

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Номер записи: 9
05-06-2014 дата публикации

CONTROL SYSTEM FOR ENGINE

Номер: US20140150749A1
Автор: Devani Farhan, Fiveland Scott B., Foege Aaron, Montgomery David T.
Принадлежит: Electro-Motive Diesel Inc.

A control system for an engine including a fuel delivery system and an ignition source is provided. The control system includes a detector, a processor, and at least one actuator. The detector is configured to sense a signal to change from a compression ignited fuel to a spark ignited fuel. The processor is configured to receive the signal from the detector and generate an actuation signal. The actuator is configured to receive the actuation signal, vary an operating speed of the engine, and selectively control at least one of the fuel delivery system and the ignition source. 1. A control system for an engine including a fuel delivery system and an ignition source , the control system including:a detector configured to sense a signal to change from a compression ignited fuel to a spark ignited fuel;a processor configured to receive the signal from the detector and generate an actuation signal; andat least one actuator configured to receive the actuation signal, vary an operating speed of the engine, and selectively control at least one of the fuel delivery system and the ignition source.2. The control system of claim 1 , wherein the actuator is configured to shut off a delivery of the compression ignited fuel from the fuel delivery system to the engine for one or more motoring cycles of the engine.3. The control system of claim 2 , wherein the actuator is configured to increase an amount of the compression ignited fuel delivered to the engine prior to the one or more motoring cycles of the engine.4. The control system of claim 3 , wherein the actuator is configured to increase the operating speed of the engine.5. The control system of claim 1 , wherein the actuator is configured to switch on a delivery of the spark ignited fuel from the fuel delivery system to the engine after one or more motoring cycles of the engine.6. The control system of claim 5 , wherein the actuator is configured to switch on the ignition source after the one or more motoring cycles of the ...

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Номер записи: 10
05-06-2014 дата публикации

Control system for multi-cylinder engine

Номер: US20140156169A1
Автор: Aaron Foege, David Todd Montgomery, Farhan DEVANI, Scott B. Fiveland
Принадлежит: Electro Motive Diesel Inc

A control system for fuel delivery systems associated with cylinders of a multi-cylinder engine is provided. The control system includes a detector, a processor, and an actuator. The detector is configured to sense a signal to change from a compression ignited fuel to a spark ignited fuel in a pre-determined number of cylinders. The processor is configured to receive the signal from the detector and generate one or more actuation signals. The controller is configured to receive the actuation signals and tandemly control the fuel delivery systems associated with the pre-determined cylinders based on the actuation signals.

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Номер записи: 11
26-03-2015 дата публикации

PNEUMATIC SYSTEM FOR ENGINES

Номер: US20150082781A1
Автор: Devani Farhan F., Foege Aaron G., Hannink Veronica Anne
Принадлежит: Electro-Motive Diesel, Inc.

A method to rotate crankshaft of an engine via a pneumatic system is disclosed herein. The engine includes a plurality of engine cylinders. The pneumatic system has an air compressor and a plurality of valves. The method includes monitoring angular orientation of the crankshaft and determining the position of the piston of the plurality of engine cylinders. An engine cylinder amongst the plurality of engine cylinders is selected with the piston in one of a power stroke or a compression stroke. A valve corresponding to the engine cylinder is activated. Upon activation of the valve, compressed air is supplied to the engine cylinder by the air compressor. The valve is then deactivated as the piston attains completion of one power stroke or one compression stroke. The activation, supply, and deactivation are sequentially repeated for each of the plurality of engine cylinders, based on predetermined firing order of the engine. 1. A method of rotating a crankshaft of an engine via a pneumatic system , the engine having a plurality of engine cylinders , each of the plurality of engine cylinders having a piston , and a connecting rod connecting the piston and the crankshaft , the pneumatic system including an air compressor in fluid communication with the plurality of engine cylinders , and a plurality of valves correspondingly disposed between the air compressor and the plurality of engine cylinders , the method including:monitoring an angular orientation of the crankshaft;determining a position of the piston of each of the plurality of engine cylinders based on the angular orientation of the crankshaft;selecting an engine cylinder amongst the plurality of engine cylinders having the piston in one of a power stroke or a compression stroke;activating a valve that corresponds to the engine cylinder;supplying compressed air from the air compressor to the engine cylinder;deactivating the valve as the piston of the engine cylinder attains completion of one of the power stroke ...

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Номер записи: 12
07-08-2014 дата публикации

VALVE MOUNTING FIXTURE FOR AN INTERNAL COMBUSTION ENGINE

Номер: US20140215828A1
Автор: Devani Farhan, Long Antone
Принадлежит: Electro-Motive Diesel, Inc.

A valve mounting fixture is provided for an internal combustion engine. The fixture includes a first plate, a support member, a second support member and a second plate. The first plate has a plurality of through holes to detachably connect to an outside surface of an engine cylinder. The first support member is connected to the first plate and extends outwardly from the outside surface of the engine cylinder. The second support member has a first end connected to the first support member; the second support member has at least one adjustable connector. Further, a second plate is connected to a second end of the second support member, and the second plate has a plurality of mounting holes. 1. A valve mounting fixture , comprising:a first plate having a plurality of through holes to detachably connect to an outside surface of an engine cylinder;a first support member connected to the first plate and extending outwardly from the outside surface of the engine cylinder;a second support member having a first end connected to the first support member, the second support member having at least one adjustable connector; anda second plate connected to a second end of the second support member, the second plate having a plurality of mounting holes.2. The fixture of claim 1 , wherein the fixture is configured to position a valve at an optimal location to inject gas into the engine cylinder.3. A method of mounting a valve claim 1 , comprising:mounting a first plate of a valve mounting fixture to an outside surface of an engine cylinder;attaching a valve bracket to a second end of the valve mounting fixture;attaching the valve to the valve bracket;adjusting at least one of a plurality of adjustable connectors on the valve mounting fixture to achieve a desired valve position;securing the at least one adjustable connector corresponding to the desired valve position;welding the valve bracket to an engine crankcase; andremoving the valve mounting fixture. The present disclosure ...

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Номер записи: 13
16-10-2014 дата публикации

COMPRESSION RELIEF VALVE

Номер: US20140305393A1
Автор: Devani Farhan, Farooqui Seema, Foege Aaron G., Martin LeBlanc
Принадлежит: Electro-Motive Diesel, Inc.

An engine includes a cylinder head and a cylinder block connected to the cylinder head at an interface. A compression relief valve is substantially inset in the cylinder head of the engine. The compression relief valve is connected to an engine control module via a wire harness. The compression relief valve includes a body having a bore. Further, the compression relief valve includes a needle inset in the bore. The compression relief valve includes a compression relief valve sensor assembly disposed in at least one of the body or the needle. The compression relief valve sensor assembly is configured to generate a cylinder head temperature signal proportional to a cylinder head temperature at the interface. 1. An engine comprising:a cylinder head;a cylinder block connected to the cylinder head at an interface; and a body having a bore;', 'a needle disposed in the bore; and', 'a compression relief valve sensor assembly disposed in at least one of the body or the needle and configured to generate a cylinder head temperature signal proportional to a cylinder head temperature at the interface., 'a compression relief valve substantially inset in the cylinder head, the compression relief valve comprising2. The engine of further includes a gasket installed in the interface between the cylinder head and the cylinder liner.3. The engine of claim 2 , wherein the gasket includes a plurality of passages claim 2 , the passages are sealed by sealing elements.4. The engine of claim 3 , wherein the passages is at least one of a coolant flow passage.5. The engine of claim 1 , wherein the cylinder head claim 1 , the cylinder block and the gasket includes aligned openings to receive a mechanical fastener.6. The engine of claim 1 , wherein the compression relief valve sensor assembly includes a temperature sensing element.7. The engine of claim 3 , wherein the compression relief valve sensor assembly is configured to sense the cylinder head temperature closest to the sealing elements at ...

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Номер записи: 14
28-09-2017 дата публикации

SYSTEM AND METHOD TO SELECTIVELY CONTROL DUAL FUEL ENGINE INTAKE AIR TEMPERATURE

Номер: US20170276075A1
Автор: Devani Farhan F., DOLAK Jonathan G., Foege Aaron G., Moravec Keith E.
Принадлежит: Electro-Motive Diesel, Inc.

A system and method to selectively control intake air temperature of a dual fuel engine are provided. The dual fuel engine intake air temperature is automatically modified based on a determined fuel mode at which the dual fuel engine is operating or instructed to operate. 1. A system for selectively controlling temperature of intake air inside an intake manifold of a diesel-natural gas dual fuel engine of a locomotive , the system comprising:control circuitry;a valve electrically connected to the control circuitry and separating an engine room from a clean air room of the locomotive, the valve being operable between an open position and a closed position, the open position allowing air from the engine room to pass through the valve to the clean air room and the closed position preventing air from the engine room from passing through the valve to the clean air room; andan aftercooler water circuit electrically connected to the control circuitry,wherein the control circuitry is configured toreceive a first signal indicative of a power level associated with a notch selected by an operator of the locomotive,receive a second signal indicating a fueling mode of the engine, the fueling mode being one of a diesel only fueling mode and a dual fuel fueling mode,control operation of the valve from the closed position to the open position responsive to receipt of the first signal indicative of the power level and the second signal indicating the fueling mode is the dual fuel fueling mode, andcontrol one or more of water flow through the aftercooler water circuit so as to reduce an amount of water flowing through a engine aftercooler, and airflow to a radiator of the aftercooler water circuit to reduce an airflow rate of air applied to the radiator, responsive to receipt of the first signal indicative of the power level and the second signal indicating the fueling mode is the dual fuel fueling mode.2. The system of claim 1 , wherein the selected notch is one of notches two ...

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Номер записи: 15
28-09-2017 дата публикации

PISTON RING SET FOR INTERNAL COMBUSTION ENGINE AND SYSTEM AND METHOD THEREOF

Номер: US20170276246A1
Автор: Cryer, Devani Farhan F., Graczyk Frank M., III Edward J.
Принадлежит: Electro-Motive Diesel, Inc.

A piston ring set for internal combustion (IC) engine is provided. The IC engine includes a cylinder having a liner and a finish on the liner. A piston having a crown and a set of grooves is disposed in the cylinder. A set of piston rings is disposed in the set of grooves. The piston rings are disposed in order from closest to the crown and include at least a first compression ring having free ends defining a first end gap, a second compression ring having free ends defining a second end gap. A nominal value of the first end gap of the first compression ring is greater than a nominal value of the second end gap of the second compression ring. 1. An internal combustion engine comprising:a cylinder including a liner and a finish on the liner;a piston disposed in the cylinder, the piston including a crown and a set of grooves having six grooves; anda set of piston rings having six piston rings, disposed in respective grooves of the set of grooves,wherein the six piston rings of the set of piston rings consist of the following rings in order from closest to the crown to farthest from the crown:a first compression ring including free ends defining a first end gap,a second compression ring including free ends defining a second end gap,a third compression ring,a fourth compression ring,a first oil ring, anda second oil ring,wherein the first compression ring has a nominal wall thickness of 0.295±0.01 inches in a radial direction,wherein the first end gap of the first compression ring is at or about 0.050±0.01 inches, andwherein the second end gap of the second compression ring is at or about 0.045±0.01 inches.2. The internal combustion engine of claim 1 , wherein each groove of the set of grooves includes a radial thickness of about 0.38 inches and an axial thickness of about 0.196 inches.3. The internal combustion engine of claim 2 , wherein a ratio of the nominal wall thickness of the first compression ring to the radial thickness of the groove having the first ...

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Номер записи: 16
13-10-2016 дата публикации

PURGE SYSTEM FOR A DUAL-FUEL ENGINE

Номер: US20160298554A1
Автор: Bandyopadhyay Deep, Devani Farhan F., Foege Aaron G., Montgomery David T., Timmons John P.
Принадлежит: Electro-Motive Diesel, Inc.

A fuel system for an engine has a cylinder with an inlet air port, an air box surrounding the inlet air port, and a gaseous fuel injector positioned in the air box and having a nozzle located at the inlet air port. The fuel system also has a gaseous fuel control valve, a fuel supply line fluidly extending from the gaseous fuel control valve to the gaseous fuel injector, a purge valve, and a purge fluid supply line fluidly extending from the purge valve to at least one of the fuel supply line and the gaseous fuel injector. The fuel system also has a return valve and a return line fluidly extending from at least one of the fuel supply line and the gaseous fuel injector. 1. A fuel system for an engine having a cylinder with an inlet air port , the fuel system comprising:an air box surrounding the inlet air port;a gaseous fuel injector positioned in the air box and having a nozzle located at the inlet air port;a gaseous fuel control valve;a fuel supply line fluidly extending from the gaseous fuel control valve to the gaseous fuel injector;a purge valve;a purge fluid supply line fluidly extending from the purge valve to at least one of the fuel supply line and the gaseous fuel injector;a return valve; anda return line fluidly extending from at least one of the fuel supply line and the gaseous fuel injector.2. The fuel system of claim 1 , further including a supply of purge fluid connected to the purge valve claim 1 , wherein the purge valve is an admittance valve configured to enable the purge fluid to flow from the supply of purge fluid into the at least one of the fuel supply line and the gaseous fuel injector.3. The fuel system of claim 1 , further including an accumulator fluidly coupled to the return valve.4. The fuel system of claim 1 , further including a controller configured to cause the purge valve to open at about 1-5° of crank angle rotation before causing the gaseous fuel control valve to close.5. The fuel system of claim 1 , further including a controller ...

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Номер записи: 17
13-10-2016 дата публикации

Fuel injection nozzle having an anti-leakage device

Номер: US20160298588A1
Автор: Deep Bandyopadhyay, Farhan F. Devani, John P. Timmons
Принадлежит: Electro Motive Diesel Inc

A nozzle for a gaseous fuel injector has a converging portion, a tip connected to the converging portion, and an anti-leakage device disposed at the tip to selectively inhibit leakage of a residual gaseous fuel from the nozzle.

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Номер записи: 18
05-11-2015 дата публикации

Manifold Assembly for Dual-Walled Pipe

Номер: US20150316190A1
Автор: Devani Farhan F., Nowak Jeffrey P.
Принадлежит: Electro-Motive Diesel, Inc.

A manifold for a dual-walled pipe includes a body, a primary conduit extending through the body and fluidly communicating with a primary passage of the dual-walled pipe, and a first socket having an outboard aperture and an inboard aperture fluidly communicating with the primary conduit. An intermediate chamber is disposed between the outboard aperture and the inboard aperture, and a first leakage conduit is formed in the body with a first end fluidly communicating with the intermediate chamber of the first socket and a second end adapted to fluidly communicate with a secondary passage of the pipe. 1. A manifold for use with a dual-walled pipe having an inner pipe surrounded by an outer pipe to define a primary passage and a secondary passage , the manifold comprising:a body having a sidewall extending between a first flange surface and a second flange surface;a primary conduit extending through the body from the first flange surface to the second flange surface and adapted to fluidly communicate with the primary passage;a first socket formed in the body and having an outboard aperture adjacent the sidewall and an inboard aperture fluidly communicating with the primary conduit, the first socket defining an intermediate chamber disposed between the outboard aperture and the inboard aperture; anda first leakage conduit formed in the body and having a first end fluidly communicating with the intermediate chamber of the first socket and a second end adapted to fluidly communicate with the secondary passage.2. The manifold of claim 1 , further comprising a first secondary conduit extending through the body and adapted to fluidly communicate with the secondary passage claim 1 , in which the second end of the first leakage conduit fluidly communicates with the first secondary conduit.3. The manifold of claim 1 , in which the first socket further defines a seat disposed between the inboard aperture and the intermediate chamber sized to receive a seal.4. The manifold of ...

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Номер записи: 19
23-07-2015 дата публикации

Kraftstoffsystem-Nachrüstsatz für einen Motor

Номер: DE112013004812T5
Автор: Aaron G. FOEGE, Dave Osthoff, Edward J. Cryer lll, Farhan DEVANI
Принадлежит: Electro Motive Diesel Inc

Offenbart wird ein Nachrüstsatz (80) zur Umwandlung eines Einzelkraftstoffmotors (10) mit einem Luftkasten (40) in einen Motor, der mit zwei unterschiedlichen Kraftstoffen läuft. Der Satz kann zumindest eine Einspritzdüse (38) für gasförmigen Kraftstoff umfassen, die im Inneren des Luftkastens montierbar und jedem Zylinder (16) des Motors zugeordnet ist. Der Satz kann des Weiteren einen gemeinsamen Strömungsregler (64) umfassen. Der Satz kann auch zumindest eine individuelle Kraftstoffversorgungsleitung (52) umfassen, die dazu ausgebildet ist, den gemeinsamen Strömungsregler mit der zumindest einen Einspritzdüse für gasförmigen Kraftstoff zu verbinden. Der Satz kann zusätzlich eine Kraftstoffversorgung (62) und eine gemeinsame Kraftstoffversorgungsleitung (63) umfassen, die dazu ausgebildet ist, den gemeinsamen Strömungsregler mit der Kraftstoffversorgung zu verbinden.

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Номер записи: 20
08-05-2014 дата публикации

Fuel system retrofit kit for an engine

Номер: WO2014071034A1
Автор: Aaron G. FOEGE, Dave Osthoff, Edward J. CRYER, III, Farhan DEVANI
Принадлежит: Electro-Motive Diesel, Inc.

A retrofit kit (80) for converting a single-fuel engine (10) having an air box (40) to run on two different fuels is disclosed. The kit may have at least one gaseous fuel injector (38) mountable inside the air box and associated with each cylinder (16) of the engine. The kit may further have a common flow regulator (64). The kit may also have at least one individual fuel supply line (52) configured to connect the common flow regulator to the at least one gaseous fuel injector. The kit may additionally have a fuel supply (62) and a common fuel supply line (63) configured to connect the common flow regulator to the fuel supply.

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Номер записи: 21
31-12-2014 дата публикации

Brennstoffsystem mit abgedichtetem einspritzanschluss

Номер: DE102014009458A1
Автор: Deep Bandyopadhyay, Edward John Cryer, Farhan DEVANI
Принадлежит: Electro Motive Diesel Inc

Es wird eine Düsenanordnung für eine Gasbrennstoffeinspritzvorrichtung eines Motors offenbart. Die Düsenanordnung kann eine Gasbrennstoffeinspritzvorrichtung mit einer Düse mit einem Spitzenende aufweisen. Die Düsenanordnung kann auch ein Blockierglied aufweisen, das eine innere Kontaktfläche hat, die konfiguriert ist, um einen Umfang der Düse an ihrem Spitzenende aufzunehmen, und das eine äußere Kontaktfläche hat, die konfiguriert ist, um mit einem Lufteinlassanschluss eines Zylinders in Eingriff zu kommen und eine hermetische Dichtung zwischen der Gasbrennstoffeinspritzvorrichtung und dem Lufteinlassanschluss zu bilden.

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Номер записи: 22
15-08-2017 дата публикации

Purge system for a dual-fuel engine

Номер: US09732713B2
Автор: Aaron G. FOEGE, David T. Montgomery, Deep Bandyopadhyay, Farhan F. Devani, John P. Timmons
Принадлежит: Electro Motive Diesel Inc

A fuel system for an engine has a cylinder with an inlet air port, an air box surrounding the inlet air port, and a gaseous fuel injector positioned in the air box and having a nozzle located at the inlet air port. The fuel system also has a gaseous fuel control valve, a fuel supply line fluidly extending from the gaseous fuel control valve to the gaseous fuel injector, a purge valve, and a purge fluid supply line fluidly extending from the purge valve to at least one of the fuel supply line and the gaseous fuel injector. The fuel system also has a return valve and a return line fluidly extending from at least one of the fuel supply line and the gaseous fuel injector.

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Номер записи: 23
28-03-2017 дата публикации

Manifold assembly for dual-walled pipe

Номер: US09605633B2
Автор: Farhan F. Devani, Jeffrey P. Nowak
Принадлежит: Electro Motive Diesel Inc

A manifold for a dual-walled pipe includes a body, a primary conduit extending through the body and fluidly communicating with a primary passage of the dual-walled pipe, and a first socket having an outboard aperture and an inboard aperture fluidly communicating with the primary conduit. An intermediate chamber is disposed between the outboard aperture and the inboard aperture, and a first leakage conduit is formed in the body with a first end fluidly communicating with the intermediate chamber of the first socket and a second end adapted to fluidly communicate with a secondary passage of the pipe.

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Номер записи: 24
28-02-2017 дата публикации

Fuel injection nozzle having an anti-leakage device

Номер: US09581113B2
Автор: Deep Bandyopadhyay, Farhan F. Devani, John P. Timmons
Принадлежит: Electro Motive Diesel Inc

A nozzle for a gaseous fuel injector has a converging portion, a tip connected to the converging portion, and an anti-leakage device disposed at the tip to selectively inhibit leakage of a residual gaseous fuel from the nozzle.

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Номер записи: 25
12-07-2016 дата публикации

Cylinder liner having three-tiered surface finish

Номер: US09387567B2
Автор: Edward Cryer, Farhan Ferozali Devani
Принадлежит: Electro Motive Diesel Inc

A cylinder assembly for use in an internal combustion engine is disclosed. The cylinder assembly may include a cylinder, a piston disposed within the cylinder, a plurality of piston rings encircling the piston, and a cylinder liner fitted around the piston in a cylindrical space in which the piston reciprocates. The piston may reciprocate within the cylinder along a longitudinal direction of the cylinder. The cylinder liner may include an upper section, a middle section, and a lower section. The upper section may be composed of a first texture; the middle section may be composed of a second texture that is rougher than the first texture; and the lower section may be composed of a third texture that is smoother than the first texture and the second texture.

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Номер записи: 26