[특허]Removable cowl for gas turbine combustor

[미국특허] Removable cowl for gas turbine combustor 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F02C-007/20 F02C-003/14
출원번호	US-0836037 (2001-04-17)
발명자 / 주소	Edward John Emilianowicz James Michael Caldwell
출원인 / 주소	General Electric Company
대리인 / 주소	Sonnenschein Nath & Rosenthal
인용정보	피인용 횟수 : 15 인용 특허 : 9

초록 ▼

A cowl for directing flow of air entering an annular combustor assembly of a gas turbine engine and which is removable from the combustor without disassembling the combustor. The cowl is annular in shape and has a plurality of circumferentially spaced fastener holes for receiving fasteners which commonly connect and align the cowl, an annular dome, and a liner. At least one notch is in the cowl, each notch being sized sufficiently larger than a corresponding fastener to permit the cowl to be moved to or removed from an operative position while the corresponding fastener remains in position for connecting the dome and liner to one another.

대표청구항 ▼

1. A cowl for directing flow of air entering a combustor of a gas turbine engine and which is removable from the combustor without disassembling the combustor, the combustor having an annular, hollow chamber defined by an annular dome at an upstream end of the chamber, an inner liner extending downstream of the dome at a radially inner side of the chamber, an outer liner extending downstream of the dome at a radially outer side of the chamber, and a plurality of fasteners for attaching the dome, inner liner, and outer liner in an assembled condition, the dome having a plurality of circumferentially spaced first fastener holes, and the inner and outer liner each having a plurality of circumferentially spaced second fastener holes generally alignable with the first fastener holes forming pairs of first and second holes for receiving said fasteners, the cowl comprising:an annular cowl body for guiding flow of air entering the combustor; a mounting rim on the cowl body for attaching the cowl to the combustor in an operative position wherein the cowl body extends upstream of the dome, said mounting rim having a plurality of circumferentially spaced third fastener holes generally corresponding with said pairs of first and second holes, the third fastener holes being alignable with said corresponding pairs in said operative position to receive said fasteners commonly and simultaneously through first, second, and third fastener holes; and at least one notch in the mounting rim having an edge defining the notch and an open mouth, said at least one notch being sized larger than a third fastener hole and being configured such that when the cowl is in said operative position, the notch is aligned with a corresponding pair of first and second fastener holes with the edge of the notch spaced outwardly from said holes such that one of said fasteners is receivable in said pair of first and second holes without engaging the mounting rim, said at least one notch allowing the cowl to be installed on or removed from said operative position while the dome, inner liner, and outer liner are held in said assembled condition.

이 특허에 인용된 특허 (9) 인용/피인용 타임라인 분석

Koshoffer John M. (Cincinnati OH) Cooper James N. (Hamilton OH) Haas Mary C. (Middletown OH) Reinhold ; Jr. James N. (Cincinnati OH), Birdstrike resistant swirler support for combustion chamber dome.
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Wood Ronald M. (Indianapolis IN), Combustor construction.
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Napoli Phillip D. (West Chester OH) Koshoffer John M. (Greenhills OH), Damped combustor cowl structure.
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Savelli Joseph F. (West Chester OH) Pritchard ; Jr. Byron A. (Loveland OH), Double annular combustor.
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Mazeaud Georges (Yerres FRX) Pieussergues Christophe (Nangis FRX) Sandelis Denis J. M. (Nangis FRX), Gas-turbine engine with detachable combustion chamber.
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Kastl John A. (Cincinnati OH) Parry David W. (Cincinnati OH) Mancini Alfred A. (Cincinnati OH), Integral combustor cowl plate/ferrule retainer.
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Fortuna Douglas M. ; Napoli Phillip D. ; Duke Richard A., One-piece combustor cowl.
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Kress Eric J. (Loveland OH) Savelli Joseph F. (West Chester OH) Parry David W. (Cincinnati OH) Koshoffer John M. (Cincinnati OH), One-piece cowl for a double annular combustor.
상세보기
Farmer Gilbert ; Dede Mehmet M. ; Goreschen James A. ; Houchens William T., One-piece sheet metal cowl for combustor of a gas turbine engine and method of configuring same.
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이 특허를 인용한 특허 (15) 인용/피인용 타임라인 분석

Biebel, Romain; Hernandez, Didier Hippolyte; Trahot, Denis Gabriel, Combustion chamber of a gas turbine engine with an upstream fairing for separating the gas stream, annular wall forming a cap of the upstream fairing of the chamber, and gas turbine engine with the chamber.
상세보기
Carlson, Andrew; Pankey, William W., Combustion turbine with Siamesed wall paired combustor housings.
상세보기
Brown, Daniel Dale; Bucaro, Michael Terry, Combustor dome and methods of assembling such.
상세보기
Holcomb, Marcus Timothy; Taylor, Todd; Yount, Randall E., Combustor liner.
상세보기
Stastny, Honza; Patel, Bhawan B.; Greer, John; Sampath, Parthasarathy, Fuel nozzle and method of repair.
상세보기
Stastny, Honza; Patel, Bhawan B; Greer, John; Sampath, Parthasarathy, Fuel nozzle and method of repair.
상세보기
Burd,Steven W.; Cheung,Albert K.; Ols,John T.; Smith,Reid D.; Segalman,Irving, Gas turbine annular combustor having a first converging volume and a second converging volume, converging less gradually than the first converging volume.
상세보기
Patel,Bhawan; Parker,Russell, Gas turbine engine combustor with improved cooling.
상세보기
Bolender, Lynn Marie; Eschenbach, Jeffrey John; Brill, Edward Patrick; Uhl, Robert Eugene; Hamilton, Michael William; Longtin, Steven Jerome, Method and apparatus for relieving stress in a combustion case in a gas turbine engine.
상세보기
Czachor, Robert P.; Groeschen, James Anthony; Hoppa, Jason Paul, Methods and apparatuses for assembling a gas turbine engine.
상세보기
Lohmueller,Steven Joseph; Czachor,Robert P., Methods and apparatuses for assembling a gas turbine engine.
상세보기
Zigan, David Christopher; Brougher, Brian C., Methods and apparatuses for assembling a gas turbine engine.
상세보기
Wang, Yu; Pitman, Michael; Lu, Wen; Janawitz, Jamison, Methods to facilitate extending gas turbine engine useful life.
상세보기
Bessagnet, Florian Andre Francois; De Sousa, Mario Cesar, Turbine engine annular combustion chamber with alternate fixings.
상세보기
Bessagnet, Florian Andre Francois; De Sousa, Mario Cesar, Turbine engine combustion chamber with tangential slots.
상세보기

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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] Removable cowl for gas turbine combustor 원문보기