[특허]Variable geometry air-fuel injector

[미국특허] Variable geometry air-fuel injector 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F23R-003/26
출원번호	US-0621209 (1996-03-22)
우선권정보	GB-0006116 (1995-03-25)
발명자 / 주소	Overton Dennis L. (Bristol GB3)
출원인 / 주소	Rolls-Royce plc (London GBX 03)
인용정보	피인용 횟수 : 37 인용 특허 : 0

초록 ▼

A combustion chamber head assembly consists of an annular, domed combustor head separated on its downstream side from the combustion region by an annular bulkhead. A number of fuel injector means are spaced apart around the head assembly and extend through to supply fuel-air mixture to the combustor region through apertures in the bulkhead. Fuel is supplied by a nozzle at the upstream end of a mixing region. Air is admitted to this region through a variable geometry airflow arrangement comprising several airflow passage disposed concentrically around the nozzle, the passages may include swirl vanes. A portion of the wall surrounding the mixing region is axially translatable to close-off one of the air inlet passages and direct air from the mixing region into the cavity enclosed by the combustor head and bulkhead from where it escapes into the combustion region through air-only apertures in the bulkhead wall.

대표청구항 ▼

A combustion chamber head assembly with a variable geometry fuel injector for a gas turbine engine, comprising a combustor head defining an enclosed combustor head volume separated on its downstream side from a combustion region by an endwall which is pierced by a multiplicity of apertures including at least one fuel-air mixture aperture and a plurality of air-only apertures, at least one fuel injector assembly defining a fuel-air mixing region opening through the fuel-air mixture aperture into the combustion region, the at least one fuel injector assembly comprising a plurality of concentric rings which define a first inner annular air passage and a second outer annular air passage, a fuel nozzle located axially with respect to the annular air passages and which, in operation, sprays fuel into the fuel-air mixing region, and an airflow controller including a movable diverter member for selectively closing the second outer annular air passage and selectively opening a third passage such that air is either admitted into the fuel-air mixing region or is redirected to the third passage leading to the plurality of air-only apertures.

이 특허를 인용한 특허 (37) 인용/피인용 타임라인 분석

Howell Stephen J., Air modulated carburetor with axially moveable fuel injector tip and swirler assembly responsive to fuel pressure.
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Tanaka, Fumio; Akagi, Kazuyuki; Okamoto, Hideo, Combustion apparatus.
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Rullaud, Matthieu Francois; Lunel, Romain Nicolas; Noel, Thomas Olivier Marie, Combustion chamber for a turbine engine with homogeneous air intake through fuel injection system.
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Gerendas,Miklos; Ebel,Michael, Combustion chamber of gas turbine with starter film cooling.
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Lockyer, John F.; Greenwood, Stuart A., Combustor.
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Lockyer, John Frederick; Greenwood, Stuart Alexander, Combustor.
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Yoshida, Shouhei; Hirata, Yoshitaka; Inoue, Hiroshi; Murota, Tomoya; Sasao, Toshifumi; Kobayashi, Nariyoshi, Combustor and combustion method for combustor.
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Yoshida, Shouhei; Hirata, Yoshitaka; Inoue, Hiroshi; Murota, Tomoya; Sasao, Toshifumi; Kobayashi, Nariyoshi, Combustor comprising a member including a plurality of air channels and fuel nozzles for supplying fuel into said channels.
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Howell, Stephen J.; Waslo, Jennifer; Carita, Robert G., Combustor dome plate and method of making the same.
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Dean Anthony John, Combustor tuning.
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Lee, Fei Philip, Combustor with staged, axially offset combustion.
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Lee, Fei Philip, Combustor with staged, axially offset combustion.
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Verdouw, Albert J.; Smith, Duane; McCormick, Keith; Razdan, Mohan K., Dry low combustion system with means for eliminating combustion noise.
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Charles Evan Steber ; Larry Lou Thomas ; Mark William Pinson ; Ronald Thomas Clawson, External dilution air tuning for dry low NOX combustors and methods therefor.
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Steber Charles Evan ; Morton Harmon Lindsay ; McLeroy Jacob Tussey, External dilution air tuning for dry low NOx combustors and methods therefor.
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Low, Kevin Joseph, Fuel nozzle guide plate mistake proofing.
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Zupanc,Frank J.; Yankowich,Paul R., Fuel-air mixing apparatus for reducing gas turbine combustor exhaust emissions.
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Oskam, Gareth W., Gas turbine and fuel injector for the same.
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Borns, Frederick G.; Riahi, Ardeshir, Gas turbine combustor heat shield impingement cooling baffle.
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Koyama, Masamichi; Tachibana, Shigeru, Gas turbine combustor including a premixing chamber having an inner diameter enlarging portion.
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Oskam, Gareth W., Lean direct fuel injector.
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DeVane, Shaun Michael; Show, Erika Suzanne; Wiehe, Glenn Edward; Umbaugh, Timothy Glen; Cooper, James Neil; Wenclik, Mateusz Pawel; Krol, Marek Krzysztof, Method and apparatus for heat shielding gas turbine engines.
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Bibler, John D.; Held, Timothy J.; Mueller, Mark A., Method and apparatus to decrease gas turbine engine combustor emissions.
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North, Andrew J.; Portillo Bilbao, Juan Enrique; Laster, Walter Ray; Fox, Timothy A., Method and computer-readable model for additively manufacturing ducting arrangement with injector assemblies forming a shielding flow of air.
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Oskam, Gareth W., Method of operating a gas turbine engine.
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Lee, Fei Philip, Multi-swirler fuel/air mixer with centralized fuel injection.
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Goodwin, Martin S., Swirler for a fuel injector.
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Davis, Jr., Lewis Berkley; Citeno, Joseph Vincent; Johnson, Thomas Edward; Ziminsky, Willy Steve, Traversing fuel nozzles in cap-less combustor assembly.
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Sanders,Noel A; Bourne,Carl C; Moran,Anthony J; Fletcher,Paul; Walsh,Philip P, Variable geometry combustor.
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Ostebee, Heath Michael; Ziminsky, Willy Steve; Johnson, Thomas Edward; Keener, Christopher Paul, Variable volume combustor.
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Johnson, Thomas Edward; McConnaughhay, Johnie Franklin; Keener, Chrisophter Paul; Ostebee, Heath Michael, Variable volume combustor with a conical liner support.
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McConnaughhay, Johnie Franklin; Keener, Christopher Paul; Johnson, Thomas Edward; Ostebee, Heath Michael, Variable volume combustor with aerodynamic fuel flanges for nozzle mounting.
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Ostebee, Heath Michael; Johnson, Thomas Edward; Stewart, Jason Thurman; Keener, Christopher Paul, Variable volume combustor with aerodynamic support struts.
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Johnson, Thomas Edward; Ziminsky, Willy Steve; Ostebee, Heath Michael; Keener, Christopher Paul, Variable volume combustor with an air bypass system.
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Ostebee, Heath Michael; McConnaughhay, Johnie Franklin; Stewart, Jason Thurman; Keener, Christopher Paul, Variable volume combustor with center hub fuel staging.
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McConnaughhay, Johnie Franklin; Keener, Christopher Paul; Johnson, Thomas Edward; Ostebee, Heath Michael, Variable volume combustor with nested fuel manifold system.
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Keener, Christopher Paul; Johnson, Thomas Edward; McConnaughhay, Johnie Franklin; Ostebee, Heath Michael, Variable volume combustor with pre-nozzle fuel injection system.
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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] Variable geometry air-fuel injector 원문보기