[특허]Triple annular combustor for gas turbine engine

Triple annular combustor for gas turbine engine 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F23R-003/34 F02C-007/228
출원번호	US-0976752 (1992-11-16)
발명자 / 주소	Ekstedt Edward E. (Montgomery OH) Joshi Narendra D. (Cincinnati OH) Ablett Adrian M. (Cincinnati OH) Gresla Timothy R. (Cincinnati OH) Koshoffer John M. (Cincinnati OH) Burke William F. (Marlborough
출원인 / 주소	General Electric Company (Cincinnati OH 02)
인용정보	피인용 횟수 : 57 인용 특허 : 0

초록 ▼

In accordance with one aspect of the present invention, a combustor is disclosed having three separate domes, each dome having disposed therein a plurality of circumferentially spaced mixers for uniformly mixing air and fuel. The combustor utilizes a high percentage of the total available combustion air at the dome area in order to maintain a lean mixture of air and fuel during all levels of engine output. Besides providing an unobstructed area in the diffuser dump region upstream of the mixers for the combustion air, sealing means is included to prevent cooling air from entering the combustion chamber until downstream of the primary combustion zone. Heat shields having radial centerbodies are also included between each dome to isolate each primary combustion zone.

대표청구항 ▼

A triple annular combustor for a gas turbine engine having a compressor providing compressed airflow, said combustor having a longitudinal axis therethrough, comprising: (a) an outer liner; (b) an inner liner, radially spaced from said outer liner; (c) a first dome having an outer end fixedly joined to said outer liner and an inner end spaced radially from said outer end, said first dome having a plurality of circumferentially spaced first openings therein; (d) a second dome spaced radially inward from said first dome having an outer end fixedly joined to said first dome inner end and an inner end spaced radially from said second dome outer end, said second dome having a plurality of circumferentially spaced second openings therein; (e) a third dome spaced radially inward from said second dome having an outer end fixedly joined to said second dome inner end and an inner end spaced radially from said third dome outer end fixedly joined to said inner liner, said third dome having a plurality of circumferentially spaced third openings therein; (f) said outer and inner liners defining therebetween first, second, and third combustion zones, respectively, which operated independently of each other; and (g) means for supplying a fuel/air mixture to each of said first, second, and third combustion zones, wherein said compressed airflow is prevented from entering said first, second, and third combustion zones unless as a part of said fuel/air mixture.

이 특허를 인용한 특허 (57)

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Brueggert Marlin S. (Cincinnati OH), Centerbody for a multiple annular combustor.
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Schilling Jan C. (Middletown OH) Vickers Edward C. (Cincinnati OH), Dome assembly for a multiple annular combustor.
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Brown Daniel D. (Fairfield OH) Brueggert Marlin S. (Lebanon IN) Murach Ronald T. (Mason OH) Raabe Kevin W. (Cincinnati OH) Sabato Joseph G. (Hamilton OH), Gas turbine combustor heat shield of casted super alloy.
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