[특허]Combustor with first and second zones

Combustor with first and second zones 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02C-003/08 F02C-001/00
출원번호	US-0443549 (1989-11-30)
발명자 / 주소	DuBell Thomas L.
출원인 / 주소	United Technologies Corporation
대리인 / 주소	Friedland
인용정보	피인용 횟수 : 52 인용 특허 : 0

초록 ▼

A high performance annular combustor for a gas turbine engine powering aircraft consisting of a primary combustion zone with the fuel nozzles and air swirlers in the dome and having typical combustion/dilution air holes in the liner and a secondary zone downstream of the primary zone having fuel nozzles and air swirlers operational solely when the primary zone is at a predetermined stoichiometric condition and issuing fuel which is at parity with the fuel/air ratio of the primary zone.

대표청구항 ▼

[ I claim:] [1.] An annular combustor having a first axially extending, annular shaped liner, a second axially extending, annular shaped liner concentrically mounted to and spaced from said first liner, said first liner and said second liner defining an annular chamber where combustion ensues, a dome interconnecting said first liner and said second liner at the forward end for enclosing said forward end, the aft end of said annular chamber being opened for flowing the products of combustion, spaced inner casing and outer casing surrounding said first liner and said second liner and defining a pair of cavities for receiving cooling air, said annular chamber having a first combustion zone at the forward end of said annular chamber, at least a first fuel nozzle mounted in said dome for issuing fuel into said first combustion zone, at least a first air swirler in said dome for issuing air into said first combustion zone, an opening in said liner for radially flowing cooling air into said first combustion zone, a second combustion zone immediately downstream relative to the flow of combustion products of said first combustion zone and axially spaced from said opening, a second fuel nozzle in said first liner for issuing fuel directly into said second combustion zone at a predetermined combustor operation after said first combustion zone is in operation, a second air swirler in said first liner for radially issuing the only air for fuel/air mixing into said second combustion zone, and means responding to said predetermined combustor operation for controlling the flow of fuel into said second fuel nozzle to match the fuel/air ratio of the combustion products leaving the first combustion zone.

이 특허를 인용한 특허 (52)

Fox, Timothy A.; Schilp, Reinhard; Gambacorta, Domenico, Air/fuel supply system for use in a gas turbine engine.
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DiCintio, Richard Martin; Melton, Patrick Benedict; Stoia, Lucas John, Assemblies and apparatus related to integrating late lean injection into combustion turbine engines.
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Ress, Jr., Robert A.; Oechsle, Victor L.; Yount, Randall E.; Bergeron, Stephen A., Combustor added to a gas turbine engine to increase thrust.
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Dai, Zhongtao; Cohen, Jeffrey M.; Kopp-Vaughan, Kristin; Hoke, James B., Combustor assembly for a turbine engine.
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Poyyapakkam, Madhavan Narasimhan, Combustor for a gas turbine engine with effusion cooled baffle.
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Harris, Mark M., Combustor system for an expendable gas turbine engine.
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Nalim, Razi; Akbari, Pejman, Direct injection of a discrete quantity of fuel into channels of a wave rotor engine.
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Barton, Michael T. Todd; Rida, Samir; Critchley, Ian, Engine assemblies and methods with diffuser vane count and fuel injection assembly count relationships.
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Singh, Arjun, Flashback resistant tubes for late lean injector and method for forming the tubes.
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Stoia, Lucas John; DeForest, Russell Pierson; Melton, Patrick Benedict, Flowsleeve of a turbomachine component.
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Rohrssen, Robert Joseph; Cihlar, David William; Melton, Patrick Benedict; Stoia, Lucas John, Fuel delivery system with moveably attached fuel tube.
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Toon, Ian J., Fuel injector for a gas turbine engine.
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Poyyapakkam, Madhavan Narasimhan; Eroglu, Adnan; Kelsall, Gregory John, Fuel lance for a gas turbine engine including outer helical grooves.
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Matsumoto, Kiyoshi; Oda, Takeo, Gas turbine combustor including separate fuel injectors for plural zones.
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Scarinci, Thomas; Moran, Anthony John; Steward, Lynn Ivor Thomas; Jones, Bryn, Gas turbine engine combustion systems.
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Hadley, Mark Allan; Felling, David Kenton, Injector having multiple fuel pegs.
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Davis, Jr., Lewis Berkley; Ziminsky, Willy Steve; McMahan, Kevin Weston; Chila, Ronald James; Meshkov, Sergey Anatolievich, Integrated combustor and stage 1 nozzle in a gas turbine and method.
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Byrne, William; Melton, Patrick Benedict; Cihlar, David William; Stoia, Lucas, Integrated late lean injection on a combustion liner and late lean injection sleeve assembly.
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Chen,Daih Yeou, Lean-staged pyrospin combustor.
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Ziminsky, Willy Steve; Davis, Jr., Lewis Berkley, Methods and apparatus for combustor fuel circuit for ultra low calorific fuels.
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Dodds, Willard J.; Heberling, Paul V.; Taylor, Jack R.; Halila, Ely E., Multi-stage radial axial gas turbine engine combustor.
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Lee, Fei Philip, Multi-swirler fuel/air mixer with centralized fuel injection.
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Nalim, Razi; Akbari, Pezhman, Pilot fuel injection for a wave rotor engine.
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Willis, Christopher Paul; DiCintio, Richard Martin; Stoia, Lucas John, Seal for use between injector and combustion chamber in gas turbine.
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Kraemer, Gilbert O.; Berry, Jonathan D.; Keyser, Richard F., Secondary combustion system for reducing the level of emissions generated by a turbomachine.
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Parker, David M.; Cai, Weidong; Garan, Daniel W.; Harris, Arthur J., Secondary fuel delivery system.
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Stoia, Lucas John; Melton, Patrick Benedict, System and method for supplying a working fluid to a combustor.
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Stoia, Lucas John; Romig, Bryan Wesley; Johnson, Thomas Edward; Stevenson, Christian Xavier, System and method for supplying a working fluid to a combustor.
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Stoia, Lucas John; Melton, Patrick Benedict, System and method for supplying a working fluid to a combustor via a non-uniform distribution manifold.
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DiCintio, Richard Martin; Melton, Patrick Benedict, System for cooling a fuel injector extending into a combustion gas flow field and method for manufacture.
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Chen, Wei; Melton, Patrick Benedict; DeForest, Russell; Stoia, Lucas John; DiCintio, Richard Martin, System for supplying a fuel and a working fluid through a liner to a combustion chamber.
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Chen, Wei; Stoia, Lucas John; DiCintio, Richard Martin, System for supplying a fuel and working fluid mixture to a combustor.
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Chen, Wei, System for supplying a working fluid to a combustor.
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Chen, Wei, System for supplying a working fluid to a combustor.
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Melton, Patrick Benedict; Intile, John Charles; Stoia, Lucas John, System for supplying a working fluid to a combustor.
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Romig, Bryan Wesley; Stoia, Lucas John; Melton, Patrick Benedict; Johnson, Thomas Edward; Boardman, Gregory Allen, System for supplying fuel to a late-lean fuel injector of a combustor.
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Romig, Bryan Wesley; Stoia, Lucas John, System for supplying fuel to late-lean fuel injectors of a combustor.
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Melton, Patrick Benedict, Trapped vortex fuel injector and method for manufacture.
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Combustor with first and second zones 원문보기

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