A valve arrangement for use in a parking brake system of a commercial vehicle or trailer, includes a differential piston having a first section and a second section, wherein the second section has a smaller diameter compared to the first section, and wherein there is a fluidic connection between the first section and the second section. The arrangement includes a housing with a bore, in which the differential piston is adapted to move. The bore has at least two sections, wherein the first section corresponds to the diameter of the first section of the differential piston, and the second section corresponds to the diameter of the second section of the differential piston, and wherein a step is formed between the first section and second section of the bore. A first passage and a second passage are arranged and axially spaced in the bore, and a third passage is arranged in or next to the second section of the bore. When the differential piston is in a first end position, the second section of the differential piston rests against the step, and a connection of the first passage and the second passage within the bore is provided. When the differential piston is in a second end position, a connection of the first passage and the second passage within the bore is blocked.


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    Title :

    Bi-Stable Valve


    Contributors:
    KONCZ LASZLO (author) / NAGY TIBOR (author) / FARKAS GABOR (author) / PATIL SUSHANT (author) / BANE SHIVRAM (author)

    Publication date :

    2023-08-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    F16K VALVES , Ventile / B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF



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