[특허]Multishear fuel injector

[미국특허] Multishear fuel injector 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02C-001/00
출원번호	US-0183490 (1998-10-30)
발명자 / 주소	Green John William
출원인 / 주소	United Technologies Corporation
대리인 / 주소	Friedland
인용정보	피인용 횟수 : 22 인용 특허 : 10

초록 ▼

A fuel/mixer injection system for a combustor of a gas turbine engine comprising two major assemblies including a burner-mounted swirler with two outer air passages surrounding a central passage and a piloted air fuel nozzle containing a main fuel injection orifice and a pilot fuel injection orifice the main fuel mixes with swirling air in the central passage and the pilot fuel mixes with the swirling air in the outer air passage. In another embodiment, the piloted fuel nozzle contains an airblast-atomized main fuel injector annulus and a concentric ring with a plurality of circumferentially spaced holes feeds air to the main fuel injector annulus.

대표청구항 ▼

[ It is claimed:] [1.] In combination, a fuel nozzle, a source of fuel and a source of air, and a first swirler and a second swirler for mixing the fuel discharging from the fuel nozzle with the air in the swirlers for admission in a burner for a gas turbine engine, said fuel nozzle having a primary fuel passage and a primary discharge port disposed at the end of said primary fuel passage and a secondary fuel passage and a secondary discharge port disposed at the end of said secondary fuel passage, said fuel nozzle disposed centrally of said first swirler, said first swirler having a generally conically shaped wall defining a first central duct admitting air from said source to flow therein and said second swirler having a second generally conically shaped wall defining a second central duct admitting air from said source to flow therein, said second central duct coaxially located relative to said first central duct and surrounded by said first central duct, said primary fuel port discharging fuel radially outwardly into said first central duct and adjacent to said second conically shaped wall to admit fuel from said fuel source to mix with the air therein and said secondary fuel port discharging fuel radially inwardly into said second central duct and adjacent to said second conically shaped wall to admit fuel from said fuel source to mix with the air therein, wherein the primary fuel being supplied during low power conditions of said gas turbine engine and said secondary fuel being supplied at higher power conditions of said gas turbine engine.

이 특허에 인용된 특허 (10) 인용/피인용 타임라인 분석

Bensaadi Mehdi,FRX ; Desaulty Michel Andre Albert,FRX ; Pitrou Sebastien Pierre Jean,FRX ; Schroer Pierre Marie Victor Emile,FRX, Aerodynamic fuel injection system for a gas turbine engine.
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Bechtel ; II William Theodore ; Black Stephen Hugh ; Dean Anthony John ; Luts Andrew, Anti-coking dual-fuel nozzle for a gas turbine combustor.
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Prade Bernd,DEX ; Schetter Bernhard,DEX ; Streb Holger,DEX, Burner with annular gap and gas flow with constant meridional velocity through the annular gap and gas turbine having the burner.
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Parker David Marchant ; Whidden Graydon Lane ; Zolyomi Wendel, Combustor with two stage primary fuel tube with concentric members and flow regulating.
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Kress Eric J. ; Joshi Narendra D., Dual fuel mixer for gas turbine combustor.
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Caruel Jacques Emile Jules (Dammarie-les-Lys FR) Bedue Jean Robert (Creteil FR) Cantaloube Bernard Andre (Chennevieres FR), Fuel injector for atomizing and vaporizing fuel.
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Ito Kazuyuki (Hitachinaka JPX) Murakami Tadayoshi (Hitachi JPX) Kobayashi Nariyoshi (Hitachinaka JPX) Azuhata Shigeru (Hitachi JPX) Moritomo Yoshikazu (Hitachi JPX), Gas turbine combustor and gas turbine.
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Jones Leighton,GB2 ; Richardson John S.,GB2, Gas turbine engine fuel injector.
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Maghon Helmut (Mlheim/Ruhr DEX), Hybrid burner for a pre-mixing operation with gas and/or oil, in particular for gas turbine systems.
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Graves Charles B. (Jupiter FL), Outer shear layer swirl mixer for a combustor.
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이 특허를 인용한 특허 (22) 인용/피인용 타임라인 분석

Stevenson, Christian Xavier; Melton, Patrick Benedict; York, William David, Annular fuel and air co-flow premixer.
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Shershnyov, Borys Borysovych; Myers, Geoffrey David; Ginesin, Leonid Yulyevich, Combustor and method of supplying fuel to the combustor.
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Bland, Robert; Battaglioli, John, Combustor nozzle.
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Brundish, Kevin David; Morgan, Leigh Christopher; Wheatley, Alan Joseph, Fuel injectors.
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Popovic, Predrag; Kraemer, Gilbert Otto; Ross, William Thomas; Belvaev, Vladimir, Fuel nozzle and method for operating a combustor.
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Popovic, Predrag; Baruah, Abinash; Kraemer, Gilbert Otto; Ross, William Thomas, Gas turbine combustor having a fuel nozzle for flame anchoring.
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Matsumoto, Kiyoshi; Oda, Takeo, Gas turbine combustor including separate fuel injectors for plural zones.
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Von Der Bank, Ralf Sebastian, Lean premix burner for a gas turbine and operating method for a lean premix burner.
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Von Der Bank, Ralf Sebastian, Lean premix burner for a gas-turbine engine.
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Benelli, Giancarlo; Carrai, Luciano; Cecchini, Davide; Tanzini, Giordano, Low NOx emission diffusion flame combustor for gas turbines.
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Innes, Matthew C.; Whenham, Ian; Courbariaux, Yann; Bohan, Margaret Kathleen, Method and apparatus for isolating inactive fuel passages.
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Dai, Zhongtao; Cohen, Jeffrey M.; Fotache, Catalin G.; Smith, Lance L.; Hautman, Donald J., Mixer assembly for a gas turbine engine.
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Dai, Zhongtao; Cohen, Jeffrey M.; Fotache, Catalin G.; Smith, Lance L.; Hautman, Donald J., Mixer assembly for a gas turbine engine.
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Dai, Zhongtao; Cohen, Jeffrey M.; Fotache, Catalin G.; Smith, Lance L.; Hautman, Donald J., Mixer assembly for a gas turbine engine.
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Dai, Zhongtao; Cohen, Jeffrey M.; Fotache, Catalin G., Mixer assembly for a gas turbine engine having a pilot mixer with a corner flame stabilizing recirculation zone.
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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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Burd, Steven W., Ovate swirler assembly for combustors.
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Martin, Scott M.; Bland, Robert J.; Gulati, Anil, Pilot burner for gas turbine engine.
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Knoepfel, Hans Peter, Premix burner and method of operation.
상세보기
Cheung, Albert K., Swirler, fuel and air assembly and combustor.
상세보기
Cheung, Albert K., Swirler, fuel and air assembly and combustor.
상세보기
Hallit, Raymond I., Variable firing rate fuel burner.
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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] Multishear fuel injector 원문보기