[특허]Fluid manifold for gas turbine engine and method for delivering fuel to a combustor using same

Fluid manifold for gas turbine engine and method for delivering fuel to a combustor using same 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02C-007/22 F23R-003/36 F23D-017/00
출원번호	US-0135655 (2013-12-20)
등록번호	US-9995220 (2018-06-12)
발명자 / 주소	Hawie, Eduardo David Davenport, Nigel Caldwell Zhou, Jian-Ming
출원인 / 주소	PRATT & WHITNEY CANADA CORP.
대리인 / 주소	Norton Rose Fulbright Canada LLP
인용정보	피인용 횟수 : 0 인용 특허 : 37

초록 ▼

The described gas turbine engine fuel manifold includes one or more fuel conduits defined within a ring-shaped manifold body, each of the fuel conduits being fluidly connected to a respective separate group of fuel injection nozzles. Each of the fuel conduits, which extend from a conduit inlet to a conduit end, include a first portion extending continuously between the conduit inlet and an inflexion of the conduit, and a second portion downstream of the first portion and connected thereto in serial flow communication, the second portion extending between the inflexion and the conduit end. The inflexion being a single exit of the first portion such that fuel flows uninterrupted between the conduit inlet and the inflexion. The respective separate group of fuel injection nozzles of the fuel conduit fluidly communicating exclusively with the second portion of the fuel conduit.

대표청구항 ▼

1. An internal fuel manifold of a gas turbine engine, the internal fuel manifold comprising: a ring-shaped fuel conveying body having an outermost wall enclosing the ring-shaped fuel conveying body;at least two fuel conduits defined internally within the ring-shaped fuel conveying body enclosed by the outermost wall thereof; anda plurality of fuel injection nozzles on the ring-shaped fuel conveying body, each one of the at least two fuel conduits being fluidly connected to a respective separate group of the plurality of fuel injection nozzles, each one of the at least two fuel conduits extending from a respective conduit inlet to a respective conduit end, each one of the at least two fuel conduits including: a first portion extending continuously between the respective conduit inlet and an inflexion, the inflexion being a single exit of the first portion adapted such that fuel flows uninterrupted within each of the at least two fuel conduits between the respective conduit inlet and the inflexion, the inflexion being at a location of the respective one of the at least two fuel conduits opposite from the respective conduit inlet; anda second portion downstream of the first portion and connected thereto in serial flow communication, the second portion extending between the inflexion and the respective conduit end of each of the at least two fuel conduits, the respective separate group of the plurality of fuel injection nozzles of each one of the at least two fuel conduits fluidly communicating exclusively with the second portion thereof, the inflexion being U-shaped such that when fuel flows in the manifold, fuel flowing in the first portion is in a direction opposite to that of fuel flowing in the second portion. 2. The internal fuel manifold as defined in claim 1, wherein the at least two fuel conduits are arcuate and extend along at least a portion of the ring-shaped fuel conveying body. 3. The internal fuel manifold as defined in claim 1, wherein a cross-section flow area of the first portion is constant. 4. The internal fuel manifold as defined in claim 1, wherein a cross-section flow area of the second portion decreases from the inflexion to the respective conduit end. 5. The internal fuel manifold as defined in claim 1, wherein the plurality of fuel injection nozzles are distributed around the fuel conveying body. 6. The internal fuel manifold as defined in claim 1, wherein the plurality of fuel injection nozzles are equidistant one from another. 7. The internal fuel manifold as defined in claim 1, wherein each one of the at least two fuel conduits extends on half of a circumference of the ring-shaped fuel conveying body. 8. The internal fuel manifold as defined in claim 1, wherein the ring-shaped fuel conveying body includes right and left sides relative to a vertical axis; the plurality of fuel injection nozzles includes a right side plurality of nozzles disposed on the right side of the ring-shaped fuel conveying body and a left side plurality of nozzles disposed on the left side of the body;the at least two fuel conduits include a first conduit and a second conduit;the first conduit being disposed entirely in the right side;the second conduit being disposed entirely in the left side;the first conduit being fluidly connected to right side plurality of nozzles; and the second conduit being fluidly connected to left side plurality of nozzles. 9. The internal fuel manifold as defined in claim 1, wherein the at least two fuel conduits are entirely enclosed within the outermost wall. 10. The internal fuel manifold as defined in claim 1, wherein the ring-shaped fuel conveying body is covered by an outer heat shield to provide the at least two fuel conduits thermal protection.

이 특허에 인용된 특허 (37)

Overton Dennis L. (Bristol GB3) Jones Leighton (Bristol GB3), Annular combustor with fuel manifold.
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Davies James F. A. (Bristol GB2) Baker James R. (Bristol GB2) Sotheran Arthur (Bristol GB2), Combined pilot and main burner.
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Varney, Brian A., Combustion chamber.
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Ng Thomas V. (West Chester OH), Compressor stall recovery apparatus.
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Ng Thomas V. (West Chester OH), Compressor stall recovery apparatus.
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Banhardt Volker,DEX ; Josuhn-Kadner Burkhard,DEX ; Milanovic Raiko,DEX ; Schule Volker,DEX ; Waldi Wolfgang,DEX ; Weidemann Hans-Jurgen,DEX, Distributor.
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Shafique, Harris; Prociw, Lev Alexander, Dual conduit fuel manifold for gas turbine engine.
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Seto Stanford P. T. (Loveland OH) Stenger Richard E. (Cincinnati OH), Dual manifold fuel system.
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Seto, Stanford P. T.; Stenger, Richard E., Dual manifold fuel system.
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Allan Frederic J,CAX, Fluid manifold.
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Morenko, Oleg, Fuel conveying member for a gas turbine engine.
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Prociw, Lev Alexander; Shafique, Harris, Fuel conveying member with heat pipe.
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Fish, Jason, Fuel conveying member with side-brazed sealing members.
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Summerfield, Leslie R; Gregory, Jonathan M; Boston, James L; Harding, Peter J, Fuel delivery system.
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Baker Joseph R. (Vernon CT), Fuel distribution valve.
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Holladay Thomas E. (Lake Park FL) DuBell Thomas L. (Palm Beach Gardens FL), Fuel injection system.
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Patel, Bhawan B.; Morenko, Oleg; Rudrapatna, Nagaraja, Fuel injection system for a gas turbine engine.
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Peterson Ivan H. (Hamilton OH) Hamblin Bruce A. (Cincinnati OH), Fuel manifold system for gas turbine engines.
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Shum, Frank; Verhiel, Jeffrey, Fuel nozzle providing shaped fuel spray.
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Hoffa Robert J. (Fairfield OH), Fuel supply control method for a gas turbine engine.
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Hoffa Robert J. (Fairfield OH), Fuel supply system for a gas turbine engine.
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Marshall Richard L. (Manchester CT), Fuel supply system for a staged combustor.
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Munro Kevin M,GB3, Fuel system for a gas turbine engine.
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Shekleton Jack R. (San Diego CA), Fuel system for a turbo machine.
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MacLean Thomas (Loveland OH) Cook George E. (Cincinnati OH), Gas turbine engine fuel manifold.
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Faulkner Robie L. (San Diego CA) Ogborne Graham E. (San Diego CA), Gas turbine engines.
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Twardochleb, Christopher Zdzislaw; Roesch, James Gregory, Gas turbine fuel injector with metering cavity.
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Pearson Carl E. (Swampscott MA) Higgins Timothy J. (Arlington MA), Gas turbine fuel system.
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Fish, Jason; Patel, Bhawan B., Heat shield with stress relieving feature.
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Hovnanian Camer V. (Fairfield CT), High density fuel injection manifold.
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Rudrapatna, Nagaraja; Morenko, Oleg; Patel, Bhawan B., Internal fuel manifold having temperature reduction feature.
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Houtman, Kenneth N.; Lee, Fei Philip, Multi passage fuel manifold and methods of construction.
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Fish, Jason; Patel, Bhawan B., Optimized internal manifold heat shield attachment.
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Kadambi Vedanth (Monroe CT) Sobaru Constantin (Allentown PA), Recuperator for gas turbine engine.
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Napoli Phillip D. (West Chester OH) Campbell Thomas C. (Glendale OH), Staged fuel delivery system with secondary distribution valve.
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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

내보내기 구분	파일저장 인쇄 메일전송
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연합인증

Fluid manifold for gas turbine engine and method for delivering fuel to a combustor using same 원문보기

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Fluid manifold for gas turbine engine and method for delivering fuel to a combustor using same 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

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