Fuel leakage preventing valve
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United States of America Patent
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Aug 31, 2010
Grant Date -
Jun 7, 2007
app pub date -
Dec 7, 2006
filing date -
Dec 7, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
Disclosed is a fuel leakage preventing valve, involving no variations in valve closing characteristics, in which a vertically movable float valve is arranged in a chamber defined inside a housing and in which a valve seat of the housing communicating with an outside is opened and closed by the float valve, which has a protruding step portion formed upwardly at the center of an upper surface of the float valve, a retainer fixed to the upper surface side of the float valve, the retainer having a flange portion covering the upper surface of the float valve and a cage portion raised from the flange portion to define an accommodating space in conjunction with the protruding step portion of the float valve; and a valve body for opening and closing the valve seat of the housing is rockably accommodated in the accommodating space defined by the cage portion.
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