Disclosed is a vent system (6) comprising a vent stack (2) for venting a tank fluid from a fuel tank (3) that is external to the vent stack (2), during fuelling of the fuel tank (3). The vent stack (2) comprises: a conduit (21) comprising a conduit inlet (21a) and a conduit outlet (21b), the conduit outlet (21b) opening to atmosphere (6) external to the conduit (21). The vent stack (2) also comprises an opening (23) into the conduit (21) between the conduit inlet (21a) and the conduit outlet (21b). The opening (23) is fluidically connected, or connectable, to the fuel tank (3) so that the tank fluid from the fuel tank (3) flows through the opening (23) to the conduit outlet (21b), in use. The vent stack (2) also comprises a fluid mover (25) operable to cause a mixer fluid receivable in the conduit inlet (21a) to flow through the conduit (21) towards the conduit outlet (21b), thereby to mix the mixer fluid with the tank fluid in the conduit (21), upstream of the conduit outlet (21b).


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    Title :

    VENT SYSTEM


    Additional title:

    ENTLÜFTUNGSSYSTEM
    SYSTÈME D'ÉVENT


    Contributors:

    Publication date :

    2025-02-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT / F17C Behälter zum Aufnehmen oder Speichern verdichteter, verflüssigter oder verfestigter Gase , VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES



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