The invention discloses a spiral air exhaust structure for a railway brake valve. The spiral air exhaust structure comprises an air exhaust body, wherein one end of the air exhaust body is connected with an air exhaust port of the railway brake valve; a cavity of the other end of the air exhaust body is communicated with atmosphere; an air exhaust core is arranged in the cavity of the end of the air exhaust body communicated with the atmosphere; dust filtering sheets are arranged at the end part of the air exhaust core and in an air exhaust port of the air exhaust body; a continuously spiral surface is arranged on the air exhaust core; the corresponding cavity of the air exhaust body forms a spiral air exhaust channel through the spiral surface; one end of the spiral air exhaust channel is communicated with the air exhaust port of the railway brake valve; and the other end of the spiral air exhaust channel is communicated with the air exhaust port of the air exhaust body. According to the spiral air exhaust structure for the railway brake valve, disclosed by the invention, sand dust is furthest prevented from entering the interior of the brake valve to cause faults as the dust filtering sheets and the spiral surface are arranged on the air exhaust core. The spiral air exhaust structure for the railway brake valve, disclosed by the invention, is advantaged in that the structure is skillful, the air exhaust performance of the traditional railway brake valve is not affected, the sand dust is effectively stopped from entering the interior of the brake valve from the air exhaust port of the brake valve, and leaking faults are obviously reduced.


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    Title :

    Spiral air exhaust structure for railway brake valve


    Contributors:
    ZHU YINGCHUN (author) / DENG XIAOMING (author) / LI JIAN (author) / LIU WENJUN (author) / LI MOUKUI (author) / YUAN DEQIANG (author) / AN HONG (author) / XIAO WEIYUAN (author) / WANG XINGHUA (author)

    Publication date :

    2015-10-07


    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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