The invention discloses a pneumatic windscreen wiper which is driven to work by using the pressure different of engine throat pipe vacuum and outside atmosphere. The pneumatic windscreen wiper is characterized in that a reversing valve is disposed to control the communication state of an engine throat pipe and the outside so as to drive the windscreen wiper to rotate; a position sensor is disposed to monitor the positions of the windscreen wiper, an ECU collects the position signals of the windscreen wiper to control the opening and closing of the reversing valve so as to guarantee the normal work of the windscreen wiper; a rainfall measuring device is disposed at the same time, the ECU controls a proportional valve in a drive gas circuit according to rainfall signals so as to control the work speed of the windscreen wiper. The pneumatic windscreen wiper can work stably and accurately without energy consumption.


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    Title :

    Pneumatic windscreen wiper


    Contributors:
    LIU WEI (author) / LIU WENBIN (author) / HU ZHIQIANG (author) / HUA MIN (author) / REN YU (author) / GONG WEI (author) / SHEN LULU (author) / TONG RUI (author)

    Publication date :

    2015-08-19


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60S SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR , Warten, Reinigen, Instandsetzen, Unterstützen, Anheben oder Rangieren von Fahrzeugen, soweit nicht anderweitig vorgesehen



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