FUEL VAPOR VENT VALVE WITH PEEL-OFF MECHANISM FOR ENSURING REOPENING
A float operated fuel vapor vent valve for use in a vehicle fuel tank. T he float has a membrane valve caged for lost motion movement on the top of the float. Upon refueling, the float rises and seals the membrane on a vent port valve seat. A projection extending downwardly from the top of the cage...
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Format: | Patent |
Sprache: | eng ; fre |
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Zusammenfassung: | A float operated fuel vapor vent valve for use in a vehicle fuel tank. T he float has a membrane valve caged for lost motion movement on the top of the float. Upon refueling, the float rises and seals the membrane on a vent port valve seat. A projection extending downwardly from the top of the cage contacts th e membrane to peel away a localized area of the membrane valve from the valve seat to ensure re-opening upon the float descending as fuel is withdrawn fro m the tank. |
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