A pneumatic pressure control valve for a brake control system of a rail vehicle having at least three pressure chambers supplied with compressed air and are disposed in a housing of the pressure control valve, a first pressure chamber sealed by a piston and by a valve seat arranged on a tappet, subjected to a braking pressure and fluidically connected to a second pressure chamber via a conduit in the tappet to relieve pressure, a further third pressure chamber supplied with a supply pressure, arranged between the two pressure chambers and the sealing between the third pressure chamber and the second pressure chamber is achieved by a flat membrane arranged in the third pressure chamber and which enables the tappet to be axially displaced, the flat membrane has a circular opening arranged substantially centrally to provide a check function and through which the tappet extends in the axial direction.


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    Title :

    PRESSURE CONTROL VALVE WITH INTEGRATED PRESSURE COMPENSATION FUNCTION AND CHECK VALVE FUNCTION


    Contributors:
    AMANN KLAUS (author) / GARTEN THOMAS (author)

    Publication date :

    2015-08-13


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF



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