[특허]Thrust force-compensating apparatus with improved hydraulic pressure-responsive balance mechanism

Thrust force-compensating apparatus with improved hydraulic pressure-responsive balance mechanism 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F01D-003/00
출원번호	US-0505119 (1990-04-03)
발명자 / 주소	Pope Adam N. (Cincinnati OH)
출원인 / 주소	General Electric Company (Lynn MA 02)
인용정보	피인용 횟수 : 31 인용 특허 : 0

초록 ▼

An axial thrust force-compensating apparatus is provided in a gas turbine engine having relatively rotatable first and second structures. The axial thrust force-compensating apparatus includes a first annular part mounted to the first engine structure and having an annular end surface, a second annular part mounted to the second engine structure and having an annular end surface which opposes and faces toward the end surface of the first annular part, and a primary hydraulic pressure balance mechanism for providing separate outer and inner fluid flows to the respective outer and inner regions between the end surfaces at pressures responsive to the amount of separation existing between the end surfaces at those regions. The separate fluid flows at the pressures produce a film of fluid flowing between and in contact with the respective end surfaces which generates primary compensating moment forces acting on the end surfaces to maintain the end surfaces in generally parallel relationship. The improved apparatus also has a secondary hydraulic pressure balance mechanism for producing secondary compensating moment forces which complement the primary compensating moment forces produced by the primary pressure balance mechanisms to limit the magnitude of any non-parallel relationship between the end surfaces of the first and second parts.

대표청구항 ▼

In a gas turbine engine having relatively rotatable first and second structures, an axial thrust force-compensating apparatus comprising: (a) a first annular part mounted to said first engine structure and having an annular end surface; (b) a second annular part mounted to said second engine structure and having an annular end surface which opposes and faces toward said annular end surface of said first annular part; and (c) primary hydraulic pressure balance means defined in said first annular part for providing separate outer and inner fluid flows through said first part to respective outer and inner regions between said end surfaces of said first and second parts at respective first and second pressures responsive to the amount of separation existing between said end surfaces at said regions, said separate fluid flows at said first and second pressures producing a film of fluid flowing between and in contact with said respective end surfaces which generates primary compensating moment forces acting on said end surfaces to maintain said end surfaces in generally parallel relationship.

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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

Thrust force-compensating apparatus with improved hydraulic pressure-responsive balance mechanism 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

이 특허를 인용한 특허 (31)

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연합인증

Thrust force-compensating apparatus with improved hydraulic pressure-responsive balance mechanism 원문보기

초록 ▼

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연구과제 타임라인

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이 특허를 인용한 특허 (31)

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