A fuel supply unit (10) for a fuel cell system which is in particular suitable for use in an aircraft comprises a fuel tank (12) and a feed line (14), which connects the fuel tank (12) to an inlet (16) of a fuel cell (18). A tank isolation valve (28) is disposed in the feed line (14). A removal line (46) connects an outlet (20) of the fuel cell (18) to an unpressurised region of the aircraft and/or the outer atmosphere. The fuel supply unit (10) also comprises a sensor (44) for detecting an electrical voltage in the fuel cell (18) and an electronic control unit (45) which is adapted to receive signals output from the sensor (44) and which is adapted to detect a fault caused by an unintentional opening or a failure of the tank isolation valve (28) based on the sensor signals, when in a quiescent operational state of the fuel cell system electrical energy is generated by the fuel cell (18).


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    Titel :

    Fuel supply unit for a fuel cell system, fuel cell system and method for monitoring a fuel supply unit


    Beteiligte:

    Erscheinungsdatum :

    2016-04-19


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY



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