[특허]Stator structure for supporting an outer air seal in a gas turbine engine

[미국특허] Stator structure for supporting an outer air seal in a gas turbine engine 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F01D-025/26 F03D-011/00 F28F-007/00
출원번호	US-0564432 (1983-12-21)
발명자 / 주소	Laurello Vincent P. (Guilford CT)
출원인 / 주소	United Technologies Corporation (Hartford CT 02)
인용정보	피인용 횟수 : 15 인용 특허 : 13

초록 ▼

A stator structure 34 for supporting an outer air seal 46 is disclosed. Various construction details which adapt the stator structure to evenly move inward and outward in response to the impingement of cooling air are developed. In one embodiment an upstream support ring and a downstream support rin

대표청구항 ▼

In an axial flow gas turbine engine of the type having an axis of rotation A, an annular flow path for working medium gases, a coolable outer case which extends circumferentially about the working medium flow path and a turbine section through which the working medium gases are passed, the turbine section including an array of rotor blades extending outwardly across the working medium flow path, each rotor blade terminating in an axially oriented tip, and an outer air seal formed of an array of arcuate seal segments which extend circumferentially about the flow path and which are spaced radially from the tips of the rotor blades leaving a gap G therebetween, the improvement which comprises: a stator structure for radially supporting and positioning the array of outer air seal segments which includes an upstream support ring formed of a plurality of upstream support segments which engage the segments of the outer air seal, which are circumferentially slideable with respect to the outer air seal and which extend from the outer air seal to the outer case; a downstream support ring formed of a plurality of downstream support segments which engage the outer air seal, which are circumferentially slideable with respect to the outer air seal and which extend from the outer air seal to the outer case; means for attaching the plurality of upstream support segments and the plurality of downstream support segments to the outer case at one axial location; a single coolable rail integral with the outer case which extends circumferentially about the exterior of the outer case at a location which is axially adjacent to said one axial location, means for impinging cooling air on the coolable rail; wherein movement of the coolable rail in response to cooling air impinged on the coolable rail uniformly adjusts the radial gap G between the outer air seal and the axially extending tips of the array of rotor blades by causing the upstream and downstream support rings of the outer air seal to move together by the same radial amount.

이 특허에 인용된 특허 (13) 인용/피인용 타임라인 분석

Cline Larry D. (Fairfield OH) Hauser Ambrose A. (Wyoming OH) Sidenstick James E. (Cincinnati OH) Zlatic Mark S. (West Chester OH), Clearance control.
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Redinger ; Jr. ; Ira H. ; Sadowsky ; David ; Stripinis ; Philip S., Clearance control for gas turbine engine.
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Koenig Robert J. (Vernon CT) Stevens Leonard W. (Vernon CT), Coolable stator assembly for a gas turbine engine.
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Williams James R. (Martinsville IN), Cooling air control valve.
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Chaplin Gary F. (Vernon CT), Dual wall seal means.
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Griffin James G. (West Hartford CT) Schwarz Frederick M. (Glastonbury CT), External gas turbine engine cooling for clearance control.
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Redinger ; Jr. Ira H. (Vernon CT) Sadowsky David (South Windsor CT) Stripinis Philip S. (South Windsor CT), External gas turbine engine cooling for clearance control.
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Coplin ; John Frederick ; Butler ; Anthony ; Neal ; Peter Frederick, Matching thermal expansion of components of turbo-machines.
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Chaplin Gary F. (Vernon CT) DeTolla Francis L. (Vernon CT) Griffin James G. (West Hartford CT), Outer air seal support structure for gas turbine engine.
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Davison Samuel H. (Cincinnati OH), Rotor/shroud clearance control system.
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Patterson William R. (Cincinnati OH), Thermal actuated valve for clearance control.
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White Loren Hawdon (East Hartford CT) Young John Herman (South Windsor CT), Variable area turbine.
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Weiler Wolfgang (Dachau DEX), Variable stator cascades for axial-flow turbines of gas turbine engines.
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이 특허를 인용한 특허 (15) 인용/피인용 타임라인 분석

Phipps,Anthony B.; Edwards,Paul H.; Harding,Adrian L.; Halliwell,Mark A., Casing arrangement.
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Shi, Jun; Butler, Shaoluo L.; Green, Kevin E., Ceramic shroud assembly.
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Shi, Jun; Green, Kevin E.; Reinhardt, Gregory E., Ceramic turbine shroud support.
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Friedel Jerome,FRX ; Lestoille Patrick Didier Michel,FRX ; Schultz Christophe,FRX ; Soupizon Jean-Luc,FRX ; Vache Jean Bernard,FRX, Device for cooling or heating a circular housing.
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Lenhart Kenneth J. (Cincinnati OH) Stream Tom D. (Mount Vernon OH), Floating interturbine duct assembly for high temperature power turbine.
상세보기
Power, Bronwyn; Fulayter, Roy D.; Rivers, Jonathan M., Gas turbine engine flow path geometry.
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Roy Thill, Carson A.; Broomer, Mark; Davis, Timothy M.; McGarrah, Craig R.; Rogers, Mark J.; Keene, Russell E.; Swift, Anthony B., Gas turbine engine ring seal.
상세보기
Banks, Anton G.; Hazzard, Robert L., Gas turbine engine vane-to-transition duct seal.
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Boyington, Kimberly Pash, Ladder seal system for gas turbine engines.
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Shook Paul S. (Marlborough CT) Kane Daniel E. (Tolland CT), Stator assembly for a gas turbine engine.
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Laurello, Vincent P.; Lee, Ching-Pang, Turbine rotor disk inlet orifice for a turbine engine.
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Shi, Jun; Green, Kevin E.; Butler, Shaoluo L.; Srinivasan, Gajawalli V.; Levasseur, Glenn N., Turbine shroud thermal distortion control.
상세보기
Shi, Jun; Green, Kevin E.; Butler, Shaoluo L.; Srinivasan, Gajawalli V.; Levasseur, Glenn N., Turbine shroud thermal distortion control.
상세보기
Shi, Jun; Green, Kevin E.; Butler, Shaoluo L.; Srinivasan, Gajawalli V.; Levasseur, Glenn N., Turbine shroud thermal distortion control.
상세보기
Shi, Jun; Green, Kevin E.; Butler, Shaoluo L.; Srinivasan, Gajawalli V.; Levasseur, Glenn N., Turbine shroud thermal distortion control.
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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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[미국특허] Stator structure for supporting an outer air seal in a gas turbine engine 원문보기