The invention relates to an air feed for an air spring (3) of a rail vehicle, comprising a main crossbeam (1) composed of at least one extruded light-metal profiled element (2), which light-metal profiled element is oriented in the longitudinal direction of the rail vehicle in the installed position of the main crossbeam (1), and an air spring (3), which is arranged on the main crossbeam (1), wherein the main crossbeam (1) comprises at least one closed profile chamber (4) having a circular cross-section, which profile chamber extends over a certain length of the extruded light-metal profiled element (2), and wherein at least one borehole (5) in a wall of the main crossbeam (1) connects the gas chamber (6) of the air spring to the profile chamber (4).


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    Title :

    LUFTZUFÜHRUNG FÜR EINE LUFTFEDER EINES SCHIENENFAHRZEUGS


    Additional title:

    AIR FEED FOR AN AIR SPRING OF A RAIL VEHICLE
    ALIMENTATION EN AIR D'UN RESSORT PNEUMATIQUE D'UN VÉHICULE FERROVIAIRE


    Contributors:

    Publication date :

    2020-07-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    German


    Classification :

    IPC:    B61F Untergestelle für Schienenfahrzeuge, z.B. Fahrgestellrahmen, Drehgestelle oder Anordnungen der Radsätze , RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES



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