[특허]Shaft power transfer in gas turbine engines with machines operable as generators or motors

Shaft power transfer in gas turbine engines with machines operable as generators or motors 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02C-001/06
출원번호	US-0392872 (1995-03-28)
우선권정보	GB-0013905 (1993-07-06)
국제출원번호	PCT/GB94/01450 (1994-07-05)
§371/§102 date	19950328 (19950328)
국제공개번호	WO-9502120 (1995-01-19)
발명자 / 주소	Hield Paul M. (Bristol GB2) Cundy John M. (Derby GB2) Midgley Ronald A. (Derby GB2) Newton Arnold C. (Derby GB2) Rowe Arthur L. (Derby GB2)
출원인 / 주소	Rolls-Royce plc (London GB2 03)
인용정보	피인용 횟수 : 89 인용 특허 : 0

초록 ▼

A multispool gas turbine engine for an aircraft application includes a transmission system which is operative to transfer power between relatively rotatable engine spools. In a first mode the transmission system is operative to transfer power from the engine\s low pressure spool to its high pressure spool and thereby improve the engine\s in-flight relight characteristics; in a second mode it is operative to transfer power from the engine\s intermediate pressure spool to its high pressure spool to improve engine part speed performance; and in a third mode to transfer power from the engine\s high pressure spool to its intermediate pressure spool to assist in ground starting. With each shaft is an associated flow displacement machine (64,66,62) operable as a pump or motor. In other embodiments, a differential is employed for the power transfer between spools.

대표청구항 ▼

A multispool gas turbine engine comprising: at least two independently rotatable engine spools; a plurality of power transfer machines coupled to the engine spools, including a first power transfer machine coupled to a first engine spool and a second power transfer machine coupled to a second engine spool, wherein said first power transfer machine is capable of operating either as a generator to take power from the first engine spool or as a motor to drive the first engine spool and said second machine is capable of operating either as a generator to take power from the second engine spool or as a motor to drive the second engine spool; power transmission means arranged to interconnect said plurality of power transfer machines; and means for selectively controlling an operation of said power transfer machines to selectively transfer power from at least one of the engine spools to at least one other of the engine spools.

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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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연합인증

Shaft power transfer in gas turbine engines with machines operable as generators or motors 원문보기

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Shaft power transfer in gas turbine engines with machines operable as generators or motors 원문보기

초록 ▼

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이 특허를 인용한 특허 (89)

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