Pressure tank system for motor vehicle i.e. hybrid motor vehicle, has check valve device arranged in filler tube such that device is opened without mechanical contact with pump nozzle during refueling

摘要

The system has a check valve device (15) provided in a filler tube (5) of a fuel tank (1), where the device is pressure sealed and locked outwards in the tank with excess pressure opposite to ambient pressure. The device (15) is arranged in the tube in such a manner that the device (15) is opened without a mechanical contact with a tank pump nozzle during refueling. The fuel flows into the tube through the nozzle. A valve (11) is opened in an air separator vent pipe (10) when a person opens a cover (7) or a catch (6) at the tube, where the person performs a refueling operation.