An aircraft fuel system 10 comprises at least one fuel tank 12 which is connected to a source of inerting gas, such as NEA, from an inerting system 14 via a vent box or tank 13. The system includes an inlet for introducing the inerting gas into the at least one fuel tank and a vent system arranged to allow the inward and outward venting of air from the fuel tank. The vent system comprises an inward vent pressure valve 32 disposed in an inlet between the vent and the at least one fuel tank and configured to enable the at least one fuel tank to increase by a predetermined pressure over ambient air pressure. The vent system also includes an outward vent pressure valve 42 disposed in an outlet 40 between the at least one fuel tank and the vent and configured to enable the at least one fuel tank to decrease by a predetermined pressure below ambient air pressure.


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    Title :

    Aircraft fuel system


    Contributors:
    JOHN WOOD (author)

    Publication date :

    2017-05-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT



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