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특허 상세정보

Impingement cooled transition duct

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F02C-003/00   
미국특허분류(USC) 60/3937 ; 60/758 ; 60/760
출원번호 US-0941580 (1986-12-15)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 113  인용 특허 : 2
초록

A transition duct in an advanced heavy duty gas turbine engine is cooled by impingement jets formed by apertures in a sleeve spaced a distance from the surface to be cooled. The sleeve is configured so as to duct spent impingement air towards the combustor, where it can be subsequently used for mixing with, and combustion of, the fuel, or for cooling of the combustor. The distance between the impingement sleeve and the transition duct surface is varied to control the velocity of air crossflow from spent impingement air in order to minimize the pressure l...

대표
청구항

An impingement cooling apparatus for cooling a surface of a transition duct disposed between a combustor and a turbine stage of a gas turbine engine, said transition duct being disposed in a compressed air plenum, comprising: an impingement sleeve surrounding said transition duct and spaced a distance therefrom to form a flow volume therebetween: a plurality of apertures in said impingement sleeve; each of said plurality of apertures having an area: adjacent ones of said plurality of apertures being separated by a spacing: a closed end at a turbine end o...

이 특허를 인용한 특허 피인용횟수: 113

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