A drive unit for an electric bicycle, the drive unit including a motor configured to generate a rotary force to drive a wheel of the electric bicycle, and a reduction gear unit provided with a plurality of gears to decelerate a rotary force generated from the motor, wherein the motor is provided with a rotor which has an accommodation space formed at a center thereof and a stator installed to surround the rotor while being spaced apart from the rotor by a predetermined interval, and the reduction gear unit includes a first planet gear assembly disposed on an accommodation space inside the motor and connected to the rotor, and a second planet gear assembly disposed outside the motor and connected to the first planet gear assembly.


    Access

    Download


    Export, share and cite



    Title :

    Drive unit for electric bicycle


    Contributors:

    Publication date :

    2015-06-03


    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



    ELECTRIC BICYCLE DRIVE UNIT

    BRAEDT HENRIK / HEYNA SEBASTIAN | European Patent Office | 2022

    Free access

    Drive unit for electric bicycle

    WEIGEL CHRISTOPHER / JORDAN MIKKEL | European Patent Office | 2024

    Free access


    Drive unit for electric bicycle

    KIM IL RYONG / CHO SEONG JONG | European Patent Office | 2015

    Free access

    DRIVE UNIT FOR ELECTRIC BICYCLE

    KIM IL RYONG / CHO SEONG JONG | European Patent Office | 2015

    Free access