[특허]Compliant finer seal

Compliant finer seal 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16J-015/16 F16J-015/477
출원번호	US-0568188 (1990-08-16)
발명자 / 주소	Gardner James F. (Exeter RI)
출원인 / 주소	EG&G Sealol, Inc. (Providence RI 02)
인용정보	피인용 횟수 : 57 인용 특허 : 0

초록 ▼

A seal for inhibiting the flowing of a gas or liquid in the stream along a shaft within a machine housing, the shaft having an axis of rotation in a predetermined radius, the seal comprising a seal housing attached to the machine housing, and a plurality of fingers extending axially upstream from the seal housing the fingers annularly surrounding the shaft and circumferentially spaced from each other, the fingers extending to contract the shaft when the shaft is not rotating, and the fingers curved in the same direction as the shaft, the radius of curvature of the fingers being greater than the radius of curvature of the shaft. The fingers may be angled away from the direction of rotation, have pockets in the radially inner surface of the fingers, and/or have a plurality of strips extending from the housing radially outside of the fingers and annularly surrounding the shaft, the strips covering the circumferential space between the fingers.

대표청구항 ▼

A seal for inhibiting the flowing of fluid in a stream along a rotatable body within a housing, the rotatable body having an axis of rotation and a predetermined radius, the seal comprising a plurality of fingers extending axially upstream from the housing, the fingers being: annularly positioned around the rotatable body; unconnected to and circumferentially spaced from each other at their upstream end; extended toward contact with the rotatable body when the rotatable body is not rotating; and provided with means, responsive to the rotation, for lifting the fingers away from the rotatable body when the rotatable body is rotating.

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Saville, Marshall; Hurley, Keith Alan; Yanof, Joseph; Hynes, Tina; Waldman, David, Finger-foil seals and gas turbine engines employing the same.
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Gibson, Nathan, Gas turbine engine including lift-off finger seals, lift-off finger seals, and method for the manufacture thereof.
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Rhode David L. (College Station TX), Low-leakage and low-instability labyrinth seal.
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Rode, John E.; Strait, Sean E., Method of mounting a structure to a shaft.
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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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Compliant finer seal 원문보기

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Compliant finer seal 원문보기

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이 특허를 인용한 특허 (57)

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