Method for recovering vapor during an onboard refueling operation

A method for recovering vapor during an onboard refueling operation comprising the steps of: - providing a flow path (28) between a fuel tank (12) and a purge canister (30); - providing a valve (40) in said flow path (28); - providing a fuel level sensor (20) for indicating the level of fuel in the...

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Bibliographische Detailangaben
Hauptverfasser:	HILL, DAVID, GARABEDIAN, SCOTT, MEHTA, SAURIN, CUMMER, ROBERT R
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES INSTRUMENTATION OR DASHBOARDS FOR VEHICLES PERFORMING OPERATIONS TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	A method for recovering vapor during an onboard refueling operation comprising the steps of: - providing a flow path (28) between a fuel tank (12) and a purge canister (30); - providing a valve (40) in said flow path (28); - providing a fuel level sensor (20) for indicating the level of fuel in the fuel tank (12), and a vapor pressure sensor (48) for indicating the pressure of the fuel vapor in the fuel tank (12); and - actuating the valve (40) to selectively open and close the flow path (28) in response to signals received from the fuel level sensor (20) and the vapor pressure sensor (48).