Gasoline dispensing and vapor recovery system and method
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United States of America Patent
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-
Sep 30, 1997
Issued Date -
N/A
app pub date -
May 13, 1996
filing date -
Aug 15, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A gasoline vapor recovery system and method in which a mixture of air and gasoline vapor is passed from a vehicle tank to a storage tank during the dispensing of gasoline from the storage tank to the vehicle tank. A portion of the mixture of air and gasoline vapor is vented from the storage tank, the flow and/or the vapor concentration of the vented mixture from the storage tank are determined, and the mixture flow from the vehicle tank is varied accordingly.
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