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    • 8. 发明授权
    • Fuel pump unit
    • 燃油泵单元
    • US5724947A
    • 1998-03-10
    • US816505
    • 1997-03-13
    • Hiroshi TakakiYujiro Hayashi
    • Hiroshi TakakiYujiro Hayashi
    • F02M37/10F02M37/04
    • F02M37/10Y10T137/2569Y10T137/86043
    • In a fuel pump unit, to solve (1) the problem of a valve of a reserver opening unnecessarily due to vibrations from outside or the like and (2) the problem of it not being possible to supply to an engine remaining fuel having fallen to below a minimum intake level, a main tank valve and a reserve valve respectively close from above a main fuel inlet connecting with a fuel intake passage of the fuel pump unit and an auxiliary fuel inlet connecting with the fuel intake passage and a rocking member having a force point pivotally attached to the main tank valve and having the action of pushing up the reserve valve with an action point and thereby opening the auxiliary fuel inlet when the main tank valve closes the main fuel inlet is provided and a sub-float for descending and pushing down the reserve valve from above when excess fuel in the reserver runs out is disposed in the reserver.
    • 在燃料泵单元中,解决(1)由于外部振动等引起的储存器开口的阀门的问题,以及(2)不能向发动机供给剩余燃料的问题 分别靠近与燃料泵单元的燃料进入通道连接的主燃料入口和与燃料进入通道连接的辅助燃料入口的主容器阀和备用阀,以及具有与燃料泵单元连接的辅助燃料入口的摇动构件, 力点枢转地附接到主油箱阀,并且具有用动作点推动备用阀的动作,并且由此在主油箱阀关闭主燃料入口时打开辅助燃料入口,并且提供用于下降和 储备者中的多余燃料用完时,将储备阀从上方推下。