An electro-pneumatic parking brake arrangement, comprising a 3 by 2 pneumatically controlled valve (3) having a fluid connection from an output port (3.3) to a control port (3.4) for defining the valve switching position by the output pressure and providing control pressure for a relay valve (5) setting up a parking brake pressure in a springbrake chamber of a brake cylinder (8) through an output port (B) of the relay valve (5), wherein a variable pressure level which is feeding an inlet port (3.1) of the pneumatically controlled valve (3) is provided by two 3 by 2 magnet valves (1, 2), further comprising: - a fluid connection to the parking brake pressure supply input (A) provided through the parking brake check valve (7) by inlet port (1.2) of load magnet valve (1), and - a fluid connection to the ambient pressure provided by exhaust port (2.2) of the exhaust magnet valve (2), and - a fluid connection from an outlet port (1.3) of load magnet valve (1) to an inlet port (2.1) of the exhaust valve (2) and the inlet port (3.1) of the pneumatically controlled valve (3), and - a fluid connection from an outlet port (2.3) of the exhaust valve (2) to an inlet port (1.1) of the load valve (1).


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    Title :

    Electro-pneumatic parking brake


    Additional title:

    Elektropneumatische Feststellbremse
    Frein de stationnement électropneumatique


    Contributors:

    Publication date :

    2016-09-14


    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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