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1 US8556194B2
Fuel injector
Publication/Patent Number: US8556194B2 Publication Date: 2013-10-15 Application Number: 12/821,475 Filing Date: 2010-06-23 Inventor: Mieney, Harry R.   Raney, Michael Raymond   Salemi, Michael Raymond   Perry, Robert B.   Assignee: Delphi Technologies, Inc.   IPC: F02M51/00 Abstract: A fuel injector that includes a flying armature movable relative to a pintle stop, and an electromagnetic circuit configured to move the flying armature away from the pintle stop prior to accelerating the armature toward the pintle stop as part of moving the pintle to open the fuel injector. The flying armature increases the total force applied to the pintle to open the fuel injector by supplementing the static force imparted to the armature by a magnetic field with an impact force imparted by the armature being in motion toward and impacting with the pintle stop. The arrangement of magnetic circuit devices and materials used to make the magnetic circuit devices cooperate to provide a reversing force that urges the armature away from before urging the armature toward the pintle stop, and increases the rate at which the force that urges the armature toward the pintle stop increases. A fuel injector that includes a flying armature movable relative to a pintle stop, and an electromagnetic circuit configured to move the flying armature away from the pintle stop prior to accelerating the armature toward the pintle stop as part of moving the pintle to open the ...More ...Less
2 US2011315795A1
Fuel Injector
Publication/Patent Number: US2011315795A1 Publication Date: 2011-12-29 Application Number: 12/821,475 Filing Date: 2010-06-23 Inventor: Mieney, Harry R.   Raney, Michael Raymond   Salemi, Michael Raymond   Perry, Robert B.   Assignee: DELPHI TECHNOLOGIES, INC.   IPC: F02M51/00 Abstract: A fuel injector that includes a flying armature movable relative to a pintle stop, and an electromagnetic circuit configured to move the flying armature away from the pintle stop prior to accelerating the armature toward the pintle stop as part of moving the pintle to open the fuel injector. The flying armature increases the total force applied to the pintle to open the fuel injector by supplementing the static force imparted to the armature by a magnetic field with an impact force imparted by the armature being in motion toward and impacting with the pintle stop. The arrangement of magnetic circuit devices and materials used to make the magnetic circuit devices cooperate to provide a reversing force that urges the armature away from before urging the armature toward the pintle stop, and increases the rate at which the force that urges the armature toward the pintle stop increases. A fuel injector that includes a flying armature movable relative to a pintle stop, and an electromagnetic circuit configured to move the flying armature away from the pintle stop prior to accelerating the armature toward the pintle stop as part of moving the pintle to open the ...More ...Less
3 US6899290B2
Fuel swirler plate for a fuel injector
Publication/Patent Number: US6899290B2 Publication Date: 2005-05-31 Application Number: 10/313,081 Filing Date: 2002-12-06 Inventor: Varble, Daniel L.   Mieney, Harry R.   Cooper, Richard L.   Rogers, David   Allen, Kevin J.   Assignee: Delphi Technologies, Inc.   IPC: Abstract: A fuel swirler plate for improving atomization of fuel in a fuel injector. A plurality of identical fuel supply passages is formed in the plate, each passage including an outer fuel reservoir region; a region having converging walls wherein fuel is accelerated and turned partially tangential to the axis of the plate and fuel injector; a metering region wherein flow is regulated; and an exit region wherein the fuel is combined with similar fuel flows from the other passages to form a high velocity swirl annulus between the swirler plate and a pintle ball of the fuel injector. An advantage of the novel swirl plate over prior art plates is that, when the injector valve is closed, only a very small volume of fuel resides in the swirl annulus between the pintle ball and the exit region of the plate, and such residual fuel is urged rotationally and becomes the leading edge of a new vortex the next time the valve is opened, thus minimizing SAC spray formation. The present invention is useful in fuel cells, burners, and in both direct injection and port injection fuel injectors of internal combustion engines. A fuel swirler plate for improving atomization of fuel in a fuel injector. A plurality of identical fuel supply passages is formed in the plate, each passage including an outer fuel reservoir region; a region having converging walls wherein fuel is accelerated and turned ...More ...Less
4 US6680136B2
Gas containment/control valve for a solid oxide fuel cell
Publication/Patent Number: US6680136B2 Publication Date: 2004-01-20 Application Number: 09/769,538 Filing Date: 2001-01-25 Inventor: Mieney, Harry R.   Haltiner, Jr. Karl J.   Assignee: Delphi Technologies, Inc.   IPC: H01M804 Abstract: A method and apparatus for supplying and containing a flow of reducing gas within a fuel cell is disclosed for a fuel cell having a gas control valve system comprising a fuel cell unit, an inlet and an outlet coupled to the fuel cell unit, an actuator disposed in the gas control valve, and a reducing gas supply for actuating said actuator and for regulating fuel to the fuel cell unit. A method and apparatus for supplying and containing a flow of reducing gas within a fuel cell is disclosed for a fuel cell having a gas control valve system comprising a fuel cell unit, an inlet and an outlet coupled to the fuel cell unit, an actuator disposed in the gas control ...More ...Less
5 EP1384880A3
Non-contacting fuel vaporizer
Publication/Patent Number: EP1384880A3 Publication Date: 2004-12-15 Application Number: 03076682.8 Filing Date: 2003-05-30 Inventor: Mieney, Harry R.   Faville, Michael T.   Yax, Michael J.   Assignee: Delphi Technologies, Inc.   IPC: F02M31/18 Abstract: A non-contact fuel vaporizer (10) adds heat to the injected fuel by combining the fuel with heated air in a vaporization chamber (12) downstream of air supply inlets (30). The fuel is metered axially through a conventional fuel injector (18). The heated air is metered through an air director plate (24) that introduces the air in a helical trajectory concentrically around the injector spray. When the hot swirling air comes in contact with the atomized fuel, substantially all of the fuel is vaporized before coming into contact with a wall (14) of the vaporization chamber (12). A non-contact fuel vaporizer (10) adds heat to the injected fuel by combining the fuel with heated air in a vaporization chamber (12) downstream of air supply inlets (30). The fuel is metered axially through a conventional fuel injector (18). The heated air is metered through an ...More ...Less
6 EP1384880A2
Non-contacting fuel vaporizer
Publication/Patent Number: EP1384880A2 Publication Date: 2004-01-28 Application Number: 03076682.8 Filing Date: 2003-05-30 Inventor: Mieney, Harry R.   Faville, Michael T.   Yax, Michael J.   Assignee: Delphi Technologies, Inc.   IPC: F02M31/18 Abstract: A non-contact fuel vaporizer (10) adds heat to the injected fuel by combining the fuel with heated air in a vaporization chamber (12) downstream of air supply inlets (30). The fuel is metered axially through a conventional fuel injector (18). The heated air is metered through an air director plate (24) that introduces the air in a helical trajectory concentrically around the injector spray. When the hot swirling air comes in contact with the atomized fuel, substantially all of the fuel is vaporized before coming into contact with a wall (14) of the vaporization chamber (12). A non-contact fuel vaporizer (10) adds heat to the injected fuel by combining the fuel with heated air in a vaporization chamber (12) downstream of air supply inlets (30). The fuel is metered axially through a conventional fuel injector (18). The heated air is metered through an ...More ...Less
7 EP1375904A1
Fuel swirler plate for a fuel injector
Publication/Patent Number: EP1375904A1 Publication Date: 2004-01-02 Application Number: 03076683.6 Filing Date: 2003-05-30 Inventor: Varble, Daniel L.   Mieney, Harry R.   Cooper, Richard L.   Rogers, David W.   Allen, Kevin J.   Assignee: Delphi Technologies, Inc.   IPC: F02M61/16 Abstract: A fuel swirler plate (34,34',34") for improving atomization of fuel in a fuel injector (12). A plurality of identical fuel supply passages (66) is formed in the plate, each passage including an outer fuel reservoir region (74); a region (76) having converging walls (68,70) wherein fuel is accelerated and turned partially tangential to the axis of the plate and fuel injector; a metering region (78) wherein flow is regulated; and an exit region (80,80') wherein the fuel is combined with similar fuel flows from the other passages to form a high velocity swirl annulus (82,82") between the swirler plate and a pintle ball (50) of the fuel injector (12). An advantage of the novel swirl plate over prior art plates is that, when the injector valve is closed, only a very small volume of fuel resides in the swirl annulus between the pintle ball and the exit region of the plate, and such residual fuel is urged rotationally and becomes the leading edge of a new vortex the next time the valve is opened, thus minimizing SAC spray formation. A fuel swirler plate (34,34',34") for improving atomization of fuel in a fuel injector (12). A plurality of identical fuel supply passages (66) is formed in the plate, each passage including an outer fuel reservoir region (74); a region (76) having converging walls (68,70) ...More ...Less
8 EP1323918A3
Fuel injector assembly having a heat exchanger for fuel preheating
Publication/Patent Number: EP1323918A3 Publication Date: 2003-08-06 Application Number: 02079942.5 Filing Date: 2002-11-27 Inventor: Mieney, Harry R.   Assignee: Delphi Technologies, Inc.   IPC: F02M53/04 Abstract: A fuel injector (14) assembly incorporating a heat exchanger (12) and a fuel injector (14) and being disposable in a bore in a mounting substrate such as an internal combustion engine or a hydrocarbon fuel reformer. The exchanger (12) includes an outer wall (22) in direct contact with the bore (25) and also surrounds and supports the dispensing portion of the fuel injector (14), forming an annular plenum space therebetween. The heat exchanger (12) has an inlet port (48) and an outlet port (52) communicating with the plenum space (39). The exchanger outlet port (52) is connected to an inlet (56) port of the fuel injector (14), such that fuel entering the fuel injector is preheated by passing first through the heat exchanger (12). In some applications, it may be desirable to maintain the fuel at a high pressure to prevent premature vaporization of the fuel in the exchanger (12) and resulting vapor lock of the fuel system. A fuel injector (14) assembly incorporating a heat exchanger (12) and a fuel injector (14) and being disposable in a bore in a mounting substrate such as an internal combustion engine or a hydrocarbon fuel reformer. The exchanger (12) includes an outer wall (22) in direct ...More ...Less
9 EP1323918A2
Fuel injector assembly having a heat exchanger for fuel preheating
Publication/Patent Number: EP1323918A2 Publication Date: 2003-07-02 Application Number: 02079942.5 Filing Date: 2002-11-27 Inventor: Mieney, Harry R.   Assignee: Delphi Technologies, Inc.   IPC: F02M53/06 Abstract: A fuel injector (14) assembly incorporating a heat exchanger (12) and a fuel injector (14) and being disposable in a bore in a mounting substrate such as an internal combustion engine or a hydrocarbon fuel reformer. The exchanger (12) includes an outer wall (22) in direct contact with the bore (25) and also surrounds and supports the dispensing portion of the fuel injector (14), forming an annular plenum space therebetween. The heat exchanger (12) has an inlet port (48) and an outlet port (52) communicating with the plenum space (39). The exchanger outlet port (52) is connected to an inlet (56) port of the fuel injector (14), such that fuel entering the fuel injector is preheated by passing first through the heat exchanger (12). In some applications, it may be desirable to maintain the fuel at a high pressure to prevent premature vaporization of the fuel in the exchanger (12) and resulting vapor lock of the fuel system. A fuel injector (14) assembly incorporating a heat exchanger (12) and a fuel injector (14) and being disposable in a bore in a mounting substrate such as an internal combustion engine or a hydrocarbon fuel reformer. The exchanger (12) includes an outer wall (22) in direct ...More ...Less
10 US2003234455A1
Non-contacting fuel vaporizer
Publication/Patent Number: US2003234455A1 Publication Date: 2003-12-25 Application Number: 10/357,920 Filing Date: 2003-02-04 Inventor: Mieney, Harry R.   Faville, Michael T.   Yax, Michael J.   Assignee: Mieney, Harry R.   Faville, Michael T.   Yax, Michael J.   IPC: B05B007/02 Abstract: A non-contact fuel vaporizer adds heat to the injected fuel by combining the fuel with heated air in a vaporization chamber downstream of air supply inlets. The fuel is metered axially through a conventional fuel injector. The heated air is metered through an air director plate that introduces the air in a helical trajectory concentrically around the injector spray. When the hot swirling air comes in contact with the atomized fuel, substantially all of the fuel is vaporized before coming into contact with a wall of the vaporization chamber. A non-contact fuel vaporizer adds heat to the injected fuel by combining the fuel with heated air in a vaporization chamber downstream of air supply inlets. The fuel is metered axially through a conventional fuel injector. The heated air is metered through an air director plate ...More ...Less
11 US2003234302A1
Fuel swirler plate for a fuel injector
Publication/Patent Number: US2003234302A1 Publication Date: 2003-12-25 Application Number: 10/313,081 Filing Date: 2002-12-06 Inventor: Varble, Daniel L.   Mieney, Harry R.   Cooper, Richard L.   Rogers, David   Allen, Kevin J.   Assignee: Varble, Daniel L.   Mieney, Harry R.   Cooper, Richard L.   Rogers, David   Allen, Kevin J.   IPC: F02M061/00 Abstract: A fuel swirler plate for improving atomization of fuel in a fuel injector. A plurality of identical fuel supply passages is formed in the plate, each passage including an outer fuel reservoir region; a region having converging walls wherein fuel is accelerated and turned partially tangential to the axis of the plate and fuel injector; a metering region wherein flow is regulated; and an exit region wherein the fuel is combined with similar fuel flows from the other passages to form a high velocity swirl annulus between the swirler plate and a pintle ball of the fuel injector. An advantage of the novel swirl plate over prior art plates is that, when the injector valve is closed, only a very small volume of fuel resides in the swirl annulus between the pintle ball and the exit region of the plate, and such residual fuel is urged rotationally and becomes the leading edge of a new vortex the next time the valve is opened, thus minimizing SAC spray formation. The present invention is useful in fuel cells, burners, and in both direct injection and port injection fuel injectors of internal combustion engines. A fuel swirler plate for improving atomization of fuel in a fuel injector. A plurality of identical fuel supply passages is formed in the plate, each passage including an outer fuel reservoir region; a region having converging walls wherein fuel is accelerated and turned ...More ...Less
12 US6481641B1
Fuel injector assembly having a heat exchanger for fuel preheating
Publication/Patent Number: US6481641B1 Publication Date: 2002-11-19 Application Number: 10/024,151 Filing Date: 2001-12-18 Inventor: Mieney, Harry R.   Assignee: Delphi Technologies, Inc.   IPC: B05B124 Abstract: A fuel injector assembly incorporating a heat exchanger and a fuel injector and being disposable in a bore in a mounting substrate such as an internal combustion engine or a hydrocarbon fuel reformer. The exchanger includes an outer wall in direct contact with the bore and also surrounds and supports the dispensing portion of the fuel injector, forming an annular plenum space therebetween. The heat exchanger has an inlet port and an outlet port communicating with the plenum space. The exchanger outlet port is connected to an inlet port of the fuel injector, such that fuel entering the fuel injector is preheated by passing first through the heat exchanger. In some applications, it may be desirable to maintain the fuel at a high pressure to prevent premature vaporization of the fuel in the exchanger and resulting vapor lock of the fuel system. A fuel injector assembly incorporating a heat exchanger and a fuel injector and being disposable in a bore in a mounting substrate such as an internal combustion engine or a hydrocarbon fuel reformer. The exchanger includes an outer wall in direct contact with the bore and also ...More ...Less
13 US2002098400A1
Gas containment/control valve for a solid oxide fuel cell
Publication/Patent Number: US2002098400A1 Publication Date: 2002-07-25 Application Number: 09/769,538 Filing Date: 2001-01-25 Inventor: Mieney, Harry R.   Haltiner, Karl J.   Assignee: Mieney, Harry R.   Haltiner, Karl J.   IPC: H01M008/04 Abstract: A method and apparatus for supplying and containing a flow of reducing gas within a fuel cell is disclosed for a fuel cell having a gas control valve system comprising a fuel cell unit, an inlet and an outlet coupled to the fuel cell unit, an actuator disposed in the gas control valve, and a reducing gas supply for actuating said actuator and for regulating fuel to the fuel cell unit. A method and apparatus for supplying and containing a flow of reducing gas within a fuel cell is disclosed for a fuel cell having a gas control valve system comprising a fuel cell unit, an inlet and an outlet coupled to the fuel cell unit, an actuator disposed in the gas control ...More ...Less
14 US6455185B2
Reformate control valve assembly for a fuel cell
Publication/Patent Number: US6455185B2 Publication Date: 2002-09-24 Application Number: 09/738,535 Filing Date: 2000-12-15 Inventor: Bircann, Raual A.   Palmer, Dwight A.   Mieney, Harry R.   Assignee: Delphi Technologies, Inc.   IPC: H01M804 Abstract: A three-way gas control valve assembly for selectively controlling gas flow from one inlet port into two outlet ports or vice-versa, such as may be required for flow control of hydrogen-containing reformate in fuel cell applications. The valve assembly comprises three subassemblies: a metering subassembly disposable within the high-temperature environment in the fuel cell for mechanically regulating reformate flow; an actuating subassembly disposable outside the fuel cell and connected to the metering subassembly for actuating a pintle shaft and valve head in the metering subassembly; and a coupling tube subassembly extendable through an insulative shroud to mechanically couple and thermally isolate the metering and actuating subassemblies. A three-way gas control valve assembly for selectively controlling gas flow from one inlet port into two outlet ports or vice-versa, such as may be required for flow control of hydrogen-containing reformate in fuel cell applications. The valve assembly comprises three ...More ...Less
15 US2001049043A1
Reformate control valve assembly for a fuel cell
Publication/Patent Number: US2001049043A1 Publication Date: 2001-12-06 Application Number: 09/738,535 Filing Date: 2000-12-15 Inventor: Bircann, Raul A.   Palmer, Dwight O.   Mieney, Harry R.   Assignee: Bircann, Raul A.   Palmer, Dwight O.   Mieney, Harry R.   IPC: H01M008/02 Abstract: A three-way gas control valve assembly for selectively controlling gas flow from one inlet port into two outlet ports or vice-versa, such as may be required for flow control of hydrogen-containing reformate in fuel cell applications. The valve assembly comprises three subassemblies: a metering subassembly disposable within the high-temperature environment in the fuel cell for mechanically regulating reformate flow; an actuating subassembly disposable outside the fuel cell and connected to the metering subassembly for actuating a pintle shaft and valve head in the metering subassembly; and a coupling tube subassembly extendable through an insulative shroud to mechanically couple and thermally isolate the metering and actuating subassemblies. A three-way gas control valve assembly for selectively controlling gas flow from one inlet port into two outlet ports or vice-versa, such as may be required for flow control of hydrogen-containing reformate in fuel cell applications. The valve assembly comprises three ...More ...Less