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1 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
2 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
3 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
4 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