A number of variations may include a product comprising: a mechanical seal fuel fill system including a fill line for transporting fuel into a fuel tank. The fill line may be operatively connected to a fill cup to receive a fill nozzle. The fuel fill system may also include a vapor canister to receive fuel vapors displaced during refueling from the fuel tank. The vapor canister may be fed via a canister vent valve inside the fuel tank. The fuel system may also include a recirculation line connecting the fuel tank to the fill line. The recirculation line may include an auxiliary valve in the fuel tank. The recirculation valve and the auxiliary valve may be in a parallel arrangement.
Fuel fill systems and methods
2015-07-29
Patent
Elektronische Ressource
Englisch
IPC: | B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / F02M Zuführen von Brennstoff-Luft-Gemischen oder deren Bestandteilen bei Brennkraftmaschinen allgemein , SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF |
Fuel fill apparatus for use with fuel delivery systems
Europäisches Patentamt | 2016
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