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2. 发明公开

EP0399640A1 Fuel injection nozzle 失效
标题翻译：喷油嘴
公开(公告)号：EP0399640A1
公开(公告)日：1990-11-28
申请号：EP90303376.9
申请日：1990-03-29
申请人： GENERAL MOTORS CORPORATION
发明人： Avdenko, Anatol , DeAngelis, Gary John , Preston, Grover Wesley , Rock, Jeffrey Allan , Zaso, Robert Augustine , Cooper, Richard Lloyd , Hertzog, Kurt Thomas , Rivera, Edwin Antonio , Taylor, Roland Stuart
IPC分类号： F02M61/20
CPC分类号： F02M69/08 , F02M51/02 , F02M61/08 , F02M61/20 , Y10T137/7924
摘要： A fuel injection nozzle (14) has a tubular body (20) adapted to receive fuel, a tubular seat member (24) mounted to the body (20), the seat member (24) having an opening (26) for discharging fuel and a valve seat (28) surrounding the opening (26), a poppet valve member (30) engageable with the valve seat (28) to interrupt fuel flow through the opening (26), and an extension spring (32) anchored to the body (20) and to the valve member (30) and biasing the valve member (30) to engage the valve seat (28). The extension spring (32) is a helically-coiled spring with each coil lying close to the adjacent coils and with the coils at one end (44) overlying an end (46) of the body (20) to anchor the spring (32) to the body (20) and to cause fuel flowing through the nozzle (14) to pass between the coils of the spring (32); the spring (32) thereby acts as a filter for fuel to be discharged by the nozzle (14).
摘要翻译：燃料喷嘴（14）具有适于接收燃料的管状主体（20），安装到主体（20）的管状座部件（24），座部件（24）具有用于排出燃料的开口（26）围绕所述开口（26）的阀座（28），可与所述阀座（28）接合以中断通过所述开口（26）的燃料流动的提升阀构件（30），以及固定到所述主体（20）并且连接到所述阀构件（30）并且偏置所述阀构件（30）以接合所述阀座（28）。拉伸弹簧32是螺旋形盘簧，其中每个线圈靠近相邻线圈并且线圈的一端（44）覆盖在主体20的端部46上以固定弹簧32，（20），并使流经喷嘴（14）的燃料在弹簧（32）的线圈之间通过; 弹簧32因此用作用于由喷嘴14排出的燃料的过滤器。

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