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发明授权
CN101012787B 燃料喷射器 失效 - 权利终止

燃料喷射器
摘要：
一种用于内燃机(88)的燃料喷射器(10)，包括中心体(12)和壳体(14)，壳体(14)位于中心体的径向外侧，中心体与壳体之间限定出了一个环形混合区(16)。燃料喷射器还包括一个可将燃烧空气的第一部分(22)喷入混合区的空气进口(如18)。燃料进口(32)布置在中心体内可以将燃料(34)喷入混合区。布置在中心体内的燃料管道(48)用来将燃料输送至燃料进口，布置在燃料管道内的阀(50)可以有选择地控制喷入混合区的燃料。阀可以布置在紧靠燃料进口的位置，这样可提供所希望的准确的定时喷射。喷射器还包括一个混合区出口(19)用来释放燃料/空气混合物(60)。
摘要（英）：

A futel injector ( 10 ) for an internal combustion engine ( 88 ) includes a centerbody ( 12 ) and a casing ( 14 ) disposed radially outward of the centerbody to define an annular mixing section ( 16 ) between the centerbody and the casing. The futel injector also includes an air inlet (e.g., 18 ) of the mixing section for injecting a first portion ( 22 ) of combustion air into the mixing section.A fuel inlet ( 32 ) is disposed in the centerbody for injecting fuel ( 34 ) into the mixing section. A fuel conduit ( 48 ) disposed in the centerbody conducts the fuel to the fuel inlet and a valve (50 ) disposed in the fuel conduit selectively controls fuel injection into the mixing section. The valve may be positioned sufficiently close to the fuel inlet to provide the desired accurate timed injection. The injector also includes an outlet ( 19 ) of the mixing section for discharging a fuel/air mixture ( 60 ).

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