[특허]Windmill engine starting system with fluid driven motor and pump

Windmill engine starting system with fluid driven motor and pump 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02C-072/62
출원번호	US-0627809 (1996-04-10)
발명자 / 주소	Petrowicz John P.
출원인 / 주소	General Electric Company
대리인 / 주소	Hess
인용정보	피인용 횟수 : 42 인용 특허 : 0

초록 ▼

An engine starting system is provided for an aircraft gas turbine engine having a fan, compressor, combustor, high pressure turbine joined to the compressor by a core shaft, and a low pressure turbine joined to the fan by a fan shaft. A fluid assist pump is operatively joined to the fan shaft, and a fluid assist motor is operatively joined to the core shaft and the assist pump. The assist pump and motor are selectively engaged so that windmilling of the fan during aircraft flight powers the assist pump to in-turn power the assist motor to accelerate the core shaft to a minimum speed for allowing restarting of the engine in flight.

대표청구항 ▼

[ I claim:] [1.] In an aircraft gas turbine engine having a fan, compressor, combustor, high pressure turbine joined to the compressor by a core shaft, and a low pressure turbine joined to the fan by a fan shaft, an engine starting system comprising:a fluid assist pump operatively joined to said fan shaft;a fluid assist motor operatively joined to said core shaft and said assist pump;means for selectively engaging said assist pump and motor so that windmilling of said fan during aircraft flight powers said pump to in-turn power said motor to accelerate said core shaft to a minimum speed for allowing restarting of said engine in flight; anda fluid accumulator operatively joined to said assist motor and assist pump for storing fluid under pressure from said assist pump;wherein said engaging means further include:a start valve disposed in fluid communication between said assist pump and assist motor;a reserve valve disposed in fluid communication between said accumulator and said start valve;a check valve disposed in fluid communication between said assist pump and said start and reserve valves; anda controller operatively joined to said start valve and reserve valve for selectively opening said start valve to power said assist motor and for selectively opening said reserve valve to power said assist motor.

이 특허를 인용한 특허 (42)

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Edelman, Edward C., Command and control system for controlling operational sequencing of multiple turbogenerators using a selected control mode.
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Delaloye, Jim; Christopher, Matthew, Electric motor driven lubrication pump control system and method for turbomachine windmill operation.
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Wehmeier, Eric J., Gas turbine engine with variable area fan nozzle positioned for starting.
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Berryann, Andrew P.; Suciu, Gabriel L., Mechanism for turbine engine start from low spool.
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Eick, Chris D.; Gaines, Louie T.; Laidlaw, Mitchell J.; Benson, Dwayne M.; Portolese, Larry A.; Flaherty, Brian L.; Pearson, Wayne T., More electric aircraft power transfer systems and methods.
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Gaines,Louie T.; Auer,Peter J.; Lane,Glenn H.; Wissinger,James A., More electric aircraft starter-generator multi-speed transmission system.
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Ullyott, Richard, Operation of an aircraft engine after emergency shutdown.
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Goi, Tatsuhiko; Tanaka, Kenichiro, Power generation unit of integrated gearbox design for aircraft engine.
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Bannon,David G., Pressure/flow sensing stall recovery for a ram air turbine.
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Ellans, Christopher J.; Martin, John H., Propulsion unit.
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Hutto, Jr., Walter Decania, Pump for a turbine engine.
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Suciu, Gabriel L.; Merry, Brian D.; Dye, Christopher M.; Glahn, Jorn A., Pump system for TMS AOC reduction.
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Dooley, Kevin Allan, Relighting a turbofan engine.
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Welch, Richard C.; Bueche, Gerard H.; DeGroff, William T.; Albero, Jose; Makuszewski, Jerzy, Turbofan emergency generator.
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Upton, Daniel E.; Gruhn, Joel D., Wind turbine rotor blade components and machine for making same.
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Gruhn, Joel D.; Franklin, Ethan; Narasimhan, Kameshwaran, Wind turbine rotor blade components and methods of making same.
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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

Windmill engine starting system with fluid driven motor and pump 원문보기

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Windmill engine starting system with fluid driven motor and pump 원문보기

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이 특허를 인용한 특허 (42)

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