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公开(公告)号：US20140250907A1
公开(公告)日：2014-09-11
申请号：US13788840
申请日：2013-03-07
IPC分类号： F02C7/22
CPC分类号： F02C7/22 , F02C7/232 , F02C7/24 , F23D17/002 , F23K5/18 , F23R3/14 , F23R3/283 , F23R3/286 , F23R3/343 , F23R3/36
摘要： A fuel injector for a gas turbine engine may include a flow path for a fuel-air mixture extending longitudinally through the fuel injector, and a fuel gallery extending circumferentially around the flow path. The fuel gallery may be adapted to inject a liquid fuel into the flow path. The fuel injector may also include an annular casing positioned circumferentially around the fuel gallery to define an insulating chamber around the gallery. The fuel injector may also include an annular cover extending around the fuel injector to define a metering chamber. The fuel injector may further include one or more purge holes fluidly coupling the metering chamber to the insulating chamber, and one or more metering holes fluidly coupling the metering chamber to a volume exterior to the fuel injector.
摘要翻译： 用于燃气涡轮发动机的燃料喷射器可以包括用于沿纵向延伸穿过燃料喷射器的燃料 - 空气混合物的流动路径，以及围绕流动路径周向延伸的燃料箱。 燃料库可适于将液体燃料注入流路。 燃料喷射器还可以包括环形壳体，该环形壳体周向地围绕燃料通道定位，以限定围绕画廊的绝缘室。 燃料喷射器还可以包括围绕燃料喷射器延伸以限定计量室的环形盖。 燃料喷射器还可以包括一个或多个吹扫孔，其将计量室流体地连接到绝缘室，以及一个或多个计量孔，其将计量室流体地连接到燃料喷射器外部的体积。
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公开(公告)号：US09316154B2
公开(公告)日：2016-04-19
申请号：US13788840
申请日：2013-03-07
IPC分类号： F02G3/00 , F02C7/22 , F02C7/232 , F23R3/14 , F23R3/34 , F23R3/36 , F23D17/00 , F02C7/24 , F23K5/18 , F23R3/28
CPC分类号： F02C7/22 , F02C7/232 , F02C7/24 , F23D17/002 , F23K5/18 , F23R3/14 , F23R3/283 , F23R3/286 , F23R3/343 , F23R3/36
摘要： A fuel injector for a gas turbine engine may include a flow path for a fuel-air mixture extending longitudinally through the fuel injector, and a fuel gallery extending circumferentially around the flow path. The fuel gallery may be adapted to inject a liquid fuel into the flow path. The fuel injector may also include an annular casing positioned circumferentially around the fuel gallery to define an insulating chamber around the gallery. The fuel injector may also include an annular cover extending around the fuel injector to define a metering chamber. The fuel injector may further include one or more purge holes fluidly coupling the metering chamber to the insulating chamber, and one or more metering holes fluidly coupling the metering chamber to a volume exterior to the fuel injector.
摘要翻译： 用于燃气涡轮发动机的燃料喷射器可以包括用于沿纵向延伸穿过燃料喷射器的燃料 - 空气混合物的流动路径，以及围绕流动路径周向延伸的燃料箱。 燃料库可适于将液体燃料注入流路。 燃料喷射器还可以包括环形壳体，该环形壳体周向地围绕燃料通道定位，以限定围绕画廊的绝缘室。 燃料喷射器还可以包括围绕燃料喷射器延伸以限定计量室的环形盖。 燃料喷射器还可以包括一个或多个吹扫孔，其将计量室流体地连接到绝缘室，以及一个或多个计量孔，其将计量室流体地连接到燃料喷射器外部的体积。
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