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1. 发明授权

US5628192A Gas turbine engine combustion chamber 失效
标题翻译：燃气轮机发动机燃烧室
公开(公告)号：US5628192A
公开(公告)日：1997-05-13
申请号：US352847
申请日：1994-12-02
申请人： Samantha Hayes-Bradley , Ian J. Toon , Jeffrey D. Willis
发明人： Samantha Hayes-Bradley , Ian J. Toon , Jeffrey D. Willis
IPC分类号： F23R3/28 , F23R3/34 , F23R3/14
CPC分类号： F23R3/286 , F23R3/346
摘要： A gas turbine engine combustion chamber which has primary, secondary and tertiary combustion zones in flow series has a secondary fuel and air mixing duct and a tertiary fuel and air mixing duct. The secondary mixing duct has a secondary air intake at its upstream end and the tertiary mixing duct has a tertiary air intake at its upstream end. The tertiary air intake is arranged adjacent to the secondary air intake. A combined secondary and tertiary fuel system is provided to supply fuel to the secondary and tertiary mixing ducts. The fuel system comprises a manifold arranged adjacent to the secondary mixing duct but is spaced from the tertiary mixing duct by the secondary mixing duct. The manifold has apertures to direct fuel towards the tertiary air intake across the secondary air intake. Variations in fuel pressure cause the fuel to flow into the secondary air intake or the tertiary air intake.
摘要翻译：具有一级，二级和三级燃烧区的燃气轮机发动机燃烧室具有二级燃料和空气混合管道以及三级燃料和空气混合管道。次级混合管道在其上游端具有二次空气入口，并且第三混合管道在其上游端具有三次空气入口。三次空气进气口邻近二次进气口排列。提供组合的二次和三次燃料系统以向第二和第三混合管道供应燃料。燃料系统包括邻近次级混合管道布置的歧管，但是通过辅助混合管道与第三混合管道间隔开。歧管具有用于将燃料引导到穿过二次进气口的三次空气入口的孔。燃料压力的变化导致燃料流入二次进气口或三次空气进气口。

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