[특허]Gas turbine combustor

Gas turbine combustor 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F23R-003/14
출원번호	US-0122493 (1993-12-07)
우선권정보	DE-4110507 (1991-03-30)
국제출원번호	PCT/EP92/00425 (1992-02-27)
§371/§102 date	19931207 (19931207)
국제공개번호	WO-9217736 (1992-10-15)
발명자 / 주소	Berger Johann (Moosburg DEX) Simon Burkhard (Rohrmoos DEX)
출원인 / 주소	MTU Motoren- und Turbinen-Union Muenchen GmbH (Munich DEX 03)
인용정보	피인용 횟수 : 93 인용 특허 : 0

초록 ▼

A gas turbine combustor has at least one fuel nozzle located at a head end of the combustor. At least one swirl device is adjustable as a function of a load for supplying combustion air. The swirl device includes radial/tangential apertures formed between profiles of an annular body arranged coaxially with respect to the nozzle. The apertures are uniformly distributed around the circumference of the annular body and have aperture cross-sections that are constant along their entire length. The swirl device further includes a sleeve having fingers which extend inwardly to engage the apertures. The sleeve is adjustable with respect to the annular body. The fingers are axially displaceable within the apertures via the sleeve. The fingers are each arranged parallel to aperture walls spaced from the fingers to bound a maximal adjusting path of the fingers to form duct walls of the apertures. The fingers are coordinated with respect to their width and length with the apertures such that in an intermediate adjusted position of the fingers, each finger coordinates with its respective aperture wall to provide a flow cross-section that is constant along the aperture length.

대표청구항 ▼

A burner having a fuel nozzle (9) for gas turbine engines, comprising: a ring-shaped swirling device (7) coaxially arranged radially outward and downstream from a longitudinal axis (13) through said fuel nozzle (9), said swirling device (7) having an outer and an inner annular surface; flow passages (3) equidistantly spaced along a circumference of said ring-shaped swirling device (7) for an adjustable feeding of combustion air, said flow passages (3) extending through said swirling device from the outer to the inner annular surface thereof in a skewed direction with respect to a radial from said longitudinal axis (13) and having same rectangular cross-sections along their entire length; an annular sleeve member (4) arranged on the outer annular surface of said swirling device (7) so as to be displaceable in a direction of said longitudinal axis (13); fingers (5) on said annular sleeve member (4) extending from an annular end face thereof and uniformly inclined inwardly into said flow passages and being displaceable in the direction of said longitudinal axis (13) within said flow passages (3); said fingers (5) being arranged in parallel with respect to first and second internal walls of said flow passages (3) which opposingly face each other in the direction of said longitudinal axis (13) and which limit a maximal adjusting path of said fingers on said sleeve; wherein in each adjusted position, spaces are formed between said fingers (5) and said second internal walls, said spaces providing constant flow cross-sections for the combustion air inside said flow passages (3) over an entire length thereof.

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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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Gas turbine combustor 원문보기

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Gas turbine combustor 원문보기

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