Embodiments of the present disclosure provide a pressure braking device, a braking system, and a railway vehicle, relating to the field of braking. The pressure braking device comprises a three-pressure braking mechanism and a pressure reducing mechanism, the three-pressure braking mechanism comprises a first cylinder block, and the first cylinder block has a first working chamber and a second working chamber isolated from each other; the pressure reducing mechanism is in communication with the first cylinder block, and the pressure reducing mechanism comprises a cylinder block, a pressure reducing piston, a partition member, and a pressure reducing chamber; the pressure reducing piston has a first end face and a second end face opposite to each other, and a side wall of the pressure reducing piston is provided with a first groove, and an area of the first end face is greater than that of the second end face; the first end face and the inner wall of the cylinder block define a first chamber, and the second end face and the inner wall of the cylinder block define a second chamber; the first cylinder block has a first working chamber and a second working chamber isolated from each other; the partition member is provided in the working passage, and the partition member is configured to partition the working passage into an outside passage and a pressure reducing passage, which can improve the release efficiency of the braking.


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    Title :

    PRESSURE BRAKING DEVICE, BRAKING SYSTEM AND RAIL VEHICLE


    Additional title:

    DRUCKBREMSVORRICHTUNG, BREMSSYSTEM UND SCHIENENFAHRZEUG
    DISPOSITIF DE FREINAGE PAR PRESSION, SYSTÈME DE FREINAGE ET VÉHICULE FERROVIAIRE


    Contributors:
    XIAO CHEN (author) / SONG ZHIYONG (author) / LI MIN (author) / SHEN YANFEI (author) / YANG JIANPING (author) / LIU YI (author) / CHEN TAI (author) / ZHONG XINGYU (author) / WANG KAIEN (author)

    Publication date :

    2025-02-19


    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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