An electric bicycle gearbox (1) comprising a planetary gear system (3) and an auxiliary motor (8). The planetary gear system (3) comprises an input gear (6) configured to receive a drive input, an output gear (7) and a planet carrier (4) supporting a plurality of satellite gears (5). The satellite gears (5) are configured to transfer drive from the input gear (6) to the output gear (7). The auxiliary motor (8) is coupled to the planetary gear system and configured to rotate the input gear (6) or the planet carrier (4) relative to the drive input to vary the gear ratio between the drive input and an output of the planetary gear system (3).


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    Title :

    ELECTRIC BICYCLE GEARBOX


    Additional title:

    GETRIEBE EINES ELEKTRISCHEN FAHRRADS
    BOÎTE DE VITESSES DE BICYCLETTE ÉLECTRIQUE


    Contributors:

    Publication date :

    2021-08-11


    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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