Fill-up control valve device
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United States of America Patent
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Nov 17, 2015
Grant Date -
Mar 28, 2013
app pub date -
Sep 5, 2012
filing date -
Sep 26, 2011
priority date (Note) -
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Abstract
A casing includes a container in which a float valve is disposed. When the float valve is closed, the casing keeps the float valve in a closed state for a relatively long period of time. A sub-float valve is provided below the container in the casing, and is closed by floating on fuel at the time of a turn of a vehicle or an automatic stop of first refueling. When the first refueling is completed, air in the sub-float valve is discharged, and the sub-float valve loses its floating function.
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