[특허]Dual fuel injectors

[미국특허] Dual fuel injectors 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02C-001/00
출원번호	US-0073850 (1987-07-14)
우선권정보	GB-0014479 (1985-06-07)
발명자 / 주소	Willis Jeffrey D. (Coventry GB2) Waddell Ian M. (Coventry GB2)
출원인 / 주소	Rolls-Royce plc (London GB2 03)
인용정보	피인용 횟수 : 32 인용 특허 : 0

초록 ▼

A dual fuel injector for a gas turbine power plant has fuel ducting including gas and liquid fuel ducts which can be removed easily for access to a nozzle of the fuel duct. A separate fluid ducting assembly is attached in the head of each combustor can and has an annular duct, a passage and drillings. The power plant is started on liquid fuel, and runs subsequently on gas produced in a coal gasifier. The flow of air through the duct and passage prevents any unburnt fuel or combustion products from entering the gas duct, and the flow through the drillings prevents carbon build up on face of the injector.

대표청구항 ▼

A dual fuel injector for a gas turbine engine power plant comprising at least a casing, combustion apparatus and a source of air, said dual fuel injector comprising: fuel ducting means detachably secured to said casing; fluid ducting means secured to said combustion apparatus; said fuel ducting means including a gas fuel duct having a downstream end, a liquid fuel duct positioned within said gas fuel duct and having a downstream end, and a liquid fuel nozzle detachably secured to said downstream end of said liquid fuel duct at a position downstream of said downstream end of said gas fuel duct so that said liquid fuel nozzle projects beyond said downstream end of said gas fuel duct, said liquid fuel nozzle having a downstream end portion and a fuel outlet at said downstream end portion; means securing said fluid ducting means to said combustion apparatus so that said fluid ducting means surrounds at least said liquid fuel nozzle and is disposed downstream of said downstream end of said gas fuel duct; said fluid ducting means comprising an outer member and an inner member, said inner member being supported from said outer member, said inner member having an interior defining an annular cavity having a peripheral wall completely surrounding the downstream end of said liquid fuel nozzle and spaced outwardly therefrom to provide a fluid passage over the surface of said liquid fuel nozzle for receiving flow of air and gaseous fuel, said inner member terminating in a downstream end defining a bluff surface, said bluff surface being spaced apart from said liquid fuel nozzle and having a first aperture aligned with said outlet of said liquid fuel nozzle and a plurality of apertures for exhausting gas and air from said space between said downstream end portion of said liquid fuel nozzle and said inner member.

이 특허를 인용한 특허 (32) 인용/피인용 타임라인 분석

Hura Harjit S. ; Breen Bernard P. ; Gabrielson James E., Apparatus and method for NO.sub.x reduction by selective injection of natural gas jets in flue gas.
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Bernero,Stefano; Geng,Weiqun; Steinbach,Christian; Stuber,Peter, Apparatus for injecting a fuel-air mixture into a combustion chamber.
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Vinson John W. (Cincinnati OH) Howell Stephen J. (Georgetown MA) Lampes Elias H. (Lynn MA), Bimodal swirler injector for a gas turbine combustor.
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Fglistaller Cornel (Jonen CHX) Keller Jakob (Dottikon CHX) Sattelmayer Thomas (Mandach CHX), Burner system.
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Ohri,Rajeev, Can-annular turbine combustors comprising swirler assembly and base plate arrangements, and combinations.
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Onoda Akihiro,JPX ; Iwai Yasunori,JPX, Coal gasification combined cycle power generation plant and an operating method thereof.
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Twardochleb, Christopher Zdzislaw; Corr, II, Robert Anthony, Combination air assist and pilot gaseous fuel circuit.
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Kendrick, Donald W., Combustion cavity layouts for fuel staging in trapped vortex combustors.
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Commaret, Patrice Andre; Sandelis, Denis Jean Maurice; Trahot, Denis Gabriel, Device for injecting a mixture of air and fuel, and a combustion chamber and turbomachine provided with such a device.
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Mina Theodors I. (Lincoln GBX), Dual fuel injector with purge and premix.
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Joshi Narendra D., Dual fuel mixer for gas turbine combustor.
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Toon, Ian J; Eadon, Gary; Graham, Andrew C; Salt, Allan J, Fuel injection.
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Toon,Ian J; Eadon,Gary; Graham,Andrew C; Salt,Allan J, Fuel injection.
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Gates Roger Jonathan,CAX ; Juteau Pierre,CAX ; Mulas Giovanni Mario,CAX ; Shafique Harris,CAX ; Ste. Marie Bastien,CAX ; Prociw Lev Alexander,CAX ; Kostka Richard Alan,CAX, Fuel nozzle for gas turbine engine with slotted fuel conduits and cover.
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Chin, Jushan; Rizk, Nader K.; Razdan, Mohan K.; Marshall, Andre W., Fuel premixing module for gas turbine engine combustor.
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Oskam, Gareth W., Gas turbine and fuel injector for the same.
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Oskam, Gareth W., Lean direct fuel injector.
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Michael Jerome Foust ; Hukam Chand Mongia, Method and apparatus for controlling combustor emissions.
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Michael Jerome Foust ; Hukam Chand Mongia, Method and apparatus for mixing fuel to decrease combustor emissions.
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Breen Bernard P. ; Gabrielson James E. ; Cavello Joseph, Method and apparatus for nox reduction by upper furnace injection of coal water slurry.
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Bernero,Stefano; Geng,Weiqun; Steinbach,Christian; Stuber,Peter, Method for injecting a fuel-air mixture into a combustion chamber.
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Hannemann, Frank; Heilos, Andreas; Huth, Michael; Köstlin, Berthold, Method for operating a burner of a gas turbine and a power plant.
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Oskam, Gareth W., Method of operating a gas turbine engine.
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Mark David Durbin ; Timothy James Held ; Hukam Chand Mongia, Mixer having multiple swirlers.
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Byron Andrew Pritchard, Jr. ; Allen Michael Danis ; Michael Jerome Foust ; Mark David Durbin ; Hukam Chand Mongia, Multiple annular combustion chamber swirler having atomizing pilot.
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Hukam Chand Mongia ; Gary Lee North ; Claude Henry Chauvette, Multiple annular swirler.
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Durbin, Mark David; Mongia, Hukam Chand, Multiple injector combustor.
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Mark David Durbin ; Hukam Chand Mongia, Multiple injector combustor.
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Oskooei, Saeid; McCaldon, Kian, Natural gas fuel nozzle for gas turbine engine.
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Kjeldal,Bent; Boe,Ove Steen, Nozzle for air-assisted atomization of a liquid fuel.
상세보기
Ohri, Rajeev; Wetzl, Kristian I.; Reid, Herbert C.; Harris, Jr., Arthur J.; Parker, David M.; Mumford, Stephen E., Swirler assembly and combinations of same in gas turbine engine combustors.
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Kendrick, Donald W., Vortex premixer for combustion apparatus.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Dual fuel injectors 원문보기