The invention relates to a speed increase and torque increase transmission. The speed increase and torque increase transmission comprises a fixed shaft sleeve, a fixed inner gear ring, a power input shaft sleeve, a power input gear, a power output inner gear ring coaxially fixed to the power input shaft sleeve and a power output shaft sleeved with a sleeve hole of the fixed shaft sleeve in a rotating mode. One end of the power output shaft stretches out of the sleeve hole of the fixed shaft sleeve from one axial end of the fixed shaft sleeve, stretches into the fixed inner gear ring and is eccentrically and fixedly connected with an eccentric shaft, wherein the axis of the eccentric shaft is parallel with the axis of the power output shaft, but does not coincide with the axis of the power output shaft. A first planet gear and a second planet gear are coaxially connected to the eccentric shaft in a rotating mode, wherein the first planet gear is in meshing transmission with the fixed inner gear ring, and the second planet gear is in meshing transmission with the power output inner gear ring and fixedly connected with the first planet gear. The other end of the power output shaft stretches out of the sleeve hole from the other axial end of the fixed shaft sleeve and is eccentrically and fixedly connected with a power output gear. The transmission can increase the riding speed and make a bicycle run easily in an effort-saving mode.


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    Title :

    Speed increase and torque increase transmission


    Contributors:

    Publication date :

    2015-04-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer



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