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    • 4. 发明授权
    • Fuel feeder
    • 燃油机
    • US06253738B1
    • 2001-07-03
    • US09411239
    • 1999-10-04
    • Koji TakahashiTakashi Hashimoto
    • Koji TakahashiTakashi Hashimoto
    • F02M3704
    • F02M37/22B01D35/027B01D35/26B01D2201/50F02M37/10F02M2037/225F02M2037/226
    • A fuel feeder comprises a filter case installed in a fuel tank through a fuel-tank access hole by means of a mounting bracket. An in-tank fuel pump and a filter element are both disposed in the filter case, while a fuel-pressure regulator having a fuel return port is mounted on the upper side of the filter case. Also provided is a fuel return pipe connected at its upstream end to the fuel return port of the pressure regulator, and having a conduit portion extending downwards from the upstream end along the outer periphery of the filter case. The fuel return pipe has a return-fuel outlet formed at a side of the conduit portion facing the outer periphery of the filter case, whereby superfluous fuel returned from the pressure regulator flows into the tank at a position spaced apart from the bottom of the tank with impingement of the superfluous fuel flow against the outer periphery of the filter case to reduce noises and to effectively release static electricity from the electrified filter case.
    • 燃料供给器包括通过安装支架通过燃料箱进入孔安装在燃料箱中的过滤器壳体。 过滤器壳体内设有一个内燃机油泵和一个过滤元件,而具有燃料返回口的燃料压力调节器安装在过滤器壳体的上侧。 还提供了一种燃料回流管,其在其上游端连接到压力调节器的燃料返回口,并且具有从上游端沿着过滤器壳体的外周向下延伸的导管部分。 燃料回流管具有形成在导管部分的面对过滤器壳体的外周边的一侧的返回燃料出口,由此从压力调节器返回的多余的燃料在与罐的底部间隔开的位置处流入罐中 多余的燃料流动冲击过滤器外壳的外周,以减少噪声并有效地从带电过滤器壳体释放静电。