The invention provides an electric bypass valve device. The electric bypass valve device comprises a first valve body, a second valve body, a rotating shaft and a stepper motor, wherein two oil way holes are formed in the first valve body; and an oil control disk is placed between the second valve body and the first valve body, and is provided with two comma-shaped oil holes. The stepper motor drives the oil control disk to rotate through the rotating shaft according to a control signal to change the valve opening overlap area between the two comma-shaped oil holes and the two oil way holes of the first valve body so as to change the oil flow of a bypass oil way, so that a power steering gear outputs different steering assisting powers as required when a vehicle is steered under the working condition of different vehicle speeds. The device can realize the adjustment of the assisting powers of the power steering gear along with the speeds, can output different assisting power characteristic curves to enhance the driver hand feel in high-speed driving, has the advantages of simple structure, lower cost and easy control, and improves the control stability and safety in vehicle driving.


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    Titel :

    Electric bypass valve device


    Beteiligte:
    GENG GUOQING (Autor:in) / JIANG HAOBIN (Autor:in) / CHEN LONG (Autor:in) / GONG XIAOQING (Autor:in) / LIU TAO (Autor:in) / TANG BIN (Autor:in) / LIU HAI (Autor:in) / XIA LEI (Autor:in)

    Erscheinungsdatum :

    2015-04-08


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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