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    • 6. 发明授权
    • Fuel tank vent system
    • 燃油箱通风系统
    • US06701950B2
    • 2004-03-09
    • US10115798
    • 2002-04-03
    • Michael S. BrockJ. Bradley Groom
    • Michael S. BrockJ. Bradley Groom
    • F16K2404
    • F16K24/044B60K15/03504B60K15/03519B60K2015/03217B60K2015/03561B60K2015/03576F02M25/0836Y10T137/0874Y10T137/3099
    • A vent apparatus is adapted for use with a fuel tank to control venting of fuel vapor from the fuel tank. The vent apparatus comprises a fuel vapor vent outlet to discharge fuel vapor from the fuel tank. The vent apparatus comprises a normally open first valve module to serve as a fuel fill limit valve and close when the liquid level in the tank reaches a predetermined fill limit and a normally open second valve module to serve as a fuel fill limit valve and close when the liquid level in the tank reaches the predetermined fill limit. The first valve module and the second valve module cooperate to block communication between the fuel tank and the fuel vapor vent outlet when the vent apparatus is positioned in a non-tilted orientation relative to a horizontal and the level of liquid fuel in the fuel tank reaches the predetermined fill limit to close both valve modules.
    • 排气装置适于与燃料箱一起使用以控制来自燃料箱的燃料蒸气的排放。 排气装置包括用于从燃料箱排出燃料蒸汽的燃料蒸气排出口。 通风装置包括常开的第一阀模块,用作燃料填充限位阀,当罐中的液位达到预定的填充极限时,关闭,并且常开的第二阀模块用作燃料填充限位阀并关闭 罐中的液位达到预定的填充极限。 当排气装置相对于水平方向定位在非倾斜方向并且燃料箱中液体燃料的高度达到时,第一阀模块和第二阀模块协作阻止燃料箱和燃料蒸气排出口之间的连通 预定的填充极限关闭两个阀门模块。