An electropneumatic valve arrangement is configured to actuate a parking brake function of an electropneumatic brake system of a commercial vehicle, with a bistable pilot control unit having an electromagnetic solenoid valve, which modulates a pilot pressure in dependence on an electronic parking brake signal; and a main valve unit, which receives the pilot pressure and modulates a parking brake pressure at least at one spring accumulator connection in dependence on the pilot pressure. The solenoid valve has a safety control connection for receiving a safety control pressure, supplies the pilot control unit with supply pressure or connects it to an air-purging in dependence on the safety control pressure. The safety control pressure is a pressure modulated by the solenoid valve or a pressure derived from it. A method is for controlling a parking brake function of a commercial vehicle having an electropneumatic brake system.


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    Title :

    ELEKTROPNEUMATISCHE FESTSTELLBREMSEINHEIT MIT SELBSTHALTUNG IM FEHLERFALL


    Additional title:

    ELECTROPNEUMATIC PARKING BRAKE UNIT WITH A SELF-SUPPORTING FUNCTION IN THE EVENT OF A FAULT
    UNITÉ DE FREIN DE STATIONNEMENT ÉLECTROPNEUMATIQUE DOTÉE D'UNE FONCTION D'AUTO-ASSISTANCE EN CAS DE DÉFAILLANCE


    Contributors:

    Publication date :

    2024-05-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    German


    Classification :

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



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