Fill limit vent valve
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United States of America Patent
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-
Jul 19, 2005
Grant Date -
Jun 16, 2005
app pub date -
Dec 4, 2003
filing date -
Dec 4, 2003
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A valve assembly for attachment in an aperture of a fuel tank wall includes a cap member with a nozzle, a carrier stage, a float stage, and a float housing. The carrier stage has a carrier carrying a sealing element with a relatively larger orifice opposing a relatively smaller orifice. The float stage includes a pivot pin and a float defining a stem. The pivot pin is movably located on the stem with the sealing element located apart from the float. The float contacts a portion of the sealing element during a refilling condition, and the sealing element seals the nozzle to prevent overfilling the fuel tank. The orifices permit the valve assembly to reopen in stages.
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Cited Art Landscape
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