The invention relates to the field of hydraulic techniques and discloses a braking hydraulic system. The braking hydraulic system comprises a first hydraulic loop for controlling braking, a second hydraulic loop for controlling braking, a loop selection device connected with the first hydraulic loop and the second hydraulic loop, and a parking braking hydraulic loop for controlling parking braking, wherein the loop selection device is connected with the parking braking hydraulic loop and is used for guiding liquid having the relatively pressure in the first hydraulic loop and the second hydraulic loop into the parking braking hydraulic loop. The braking hydraulic system disclosed by the invention adopts a double-loop design, and the braking can be performed under a condition that the hydraulic pressure of one loop is out of work, so that the safety is ensured. In addition, the loop selection device is adopted, and the parking braking hydraulic loop can work under the condition that the hydraulic pressure of one loop is out of work, so that the safety is further enhanced.


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    Title :

    Braking hydraulic system


    Contributors:
    ZHANG WEI (author)

    Publication date :

    2015-12-09


    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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