The invention relates to the technical field of automobile retarders, and particularly discloses a mixed cooling air gap axial adjustable spherical permanent magnet eddy current retarder which comprises a conductor brake stator, a permanent magnet transmission rotor and an air gap axial adjusting device, one end of the conductor brake stator is a hollow cylinder fixed to an automobile body, and the other end of the conductor brake stator is a liquid cooling hollow ball; a conductor hollow ball is arranged on the inner wall of the liquid cooling hollow ball; one end of the permanent magnet transmission rotor is a cylinder fixed with an automobile transmission shaft, the other end of the permanent magnet transmission rotor is a sphere with a permanent magnet on the surface, the sphere is in threaded connection with the cylinder of the permanent magnet transmission rotor, the sphere is located in the liquid cooling hollow sphere and is concentric with the liquid cooling hollow sphere, and an air gap is reserved between the permanent magnet and the conductor hollow sphere; and one end of the air gap axial adjusting device is fixed on the cylinder of the permanent magnet transmission rotor, and the air gap axial adjusting device can drive the permanent magnet to axially move on the rotating shaft of the permanent magnet transmission rotor, so that the air gap axial adjustment between the permanent magnet and the conductor ball is realized.

    本发明涉及汽车缓速器技术领域,具体公开一种混合冷却气隙轴向可调球形永磁涡流缓速器,包括:导体制动定子、永磁体传动转子和气隙轴向调节装置,所述导体制动定子一端为空心圆柱体与车体固定,另一端为液冷空心球,液冷空心球内壁上设有导体空心球;所述永磁体传动转子一端为圆柱体与汽车传动轴固定,另一端为表面设有永磁体的球体,球体与永磁体传动转子的柱体通过螺纹连接,球体位于液冷空心球形内部且与液冷空心球形同心设置,所述永磁体与导体空心球间留有气隙;所述气隙轴向调节装置一端固定在永磁体传动转子的柱体上,气隙轴向调节装置可带动永磁体在永磁体传动转子的旋转轴上轴向移动,实现永磁体与导体球间的气隙轴向调节。


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    Title :

    Mixed cooling air gap axial adjustable spherical permanent magnet eddy current retarder


    Additional title:

    一种混合冷却气隙轴向可调球形永磁涡流缓速器


    Contributors:
    KONG DESHAN (author) / WANG DAZHI (author) / LIU ZHEN (author) / LI WENHUI (author) / WANG SIHAN (author) / HUA ZHONG (author)

    Publication date :

    2022-03-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



    Development of permanent-magnet-type eddy current retarder

    Kuwahara, T. / Araki, K. | Tema Archive | 1992


    Development of permanent-magnet-type eddy current retarder

    Kuwahara,T. / Araki,K. / Isuzu Motors,JP et al. | Automotive engineering | 1992


    Permanent magnet retarder

    WANG XIANGDONG / ZHOU LIPING | European Patent Office | 2020

    Free access

    PERMANENT MAGNET RETARDER

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    Water Cooling Type Eddy Current Retarder

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    Free access