VENT INCLUDING A SEPARATOR MEMBRANE
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United States of America Patent
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Issued Date -
Aug 2, 2007
app pub date -
Jan 19, 2007
filing date -
Jan 20, 2006
priority date (Note) -
Abandoned
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Abstract
A vent structure at least partially defining a passageway between the inside of a fuel storage tank and the outside atmosphere includes a separator membrane. The separator membrane is positioned within the vent structure configured to block liquid fuel in the storage tank from reaching the outside atmosphere through the passageway. The separator membrane is permeable by air. The vent structure may be in the form of a cap or a remote vent, or it may be provided substantially within the fuel storage tank. The vent structure may be provided as part of a fuel evaporative emissions system for a vehicle or motor-driven power equipment.
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