Evaporative gas control valve structure
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United States of America Patent
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N/A
Issued Date -
Jun 23, 2005
app pub date -
Dec 7, 2004
filing date -
Dec 18, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An evaporative gas control valve structure includes a casing which is attachable to a fuel tank. A float is disposed in a space formed in the casing, and is movable upward and downward in the space formed in the casing. A valve element is provided on an upper portion of the float. A ventilation passage is provided on a downstream side of the valve element. In addition, a ventilation hole is formed below the casing, and allows communication between the space in the casing and an inside of the fuel tank, and introduces fuel in the fuel tank into the space. A tortuous passage which suppresses a flow of the fuel is provided between the float and the ventilation hole.
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