Internal-combustion engines – Charge forming device – Having fuel vapor recovery and storage system
Reexamination Certificate
2011-02-08
2011-02-08
Solis, Erick (Department: 3747)
Internal-combustion engines
Charge forming device
Having fuel vapor recovery and storage system
C123S518000, C123S519000, C123S520000
Reexamination Certificate
active
07882824
ABSTRACT:
A method for recovering vapor during an onboard refueling operation comprising the steps of:providing a flow path between a fuel tank and a purge canister;providing a valve in the flow path;providing a fuel level sensor for indicating the level of fuel in the fuel tank, and a vapor pressure sensor for indicating the pressure of the fuel vapor in the fuel tank; andactuating the valve to selectively open and close the flow path in response to signals received from the fuel level sensor and the vapor pressure sensor.
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Cummer Robert Roland
Garabedian Scott P.
Hill David T.
Mehta Saurin
Hamaoui David
Inergy Automotive Systems Research (S.A)
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Solis Erick
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