An electric bicycle drive unit is arranged in a bottom bracket area of a bicycle frame. The drive unit includes a bottom bracket assembly having a bottom bracket shaft, an electric motor device and an energy storage device for supplying energy to the motor device. The energy storage device can be arranged in a down tube of the bicycle frame having a closed tube cross-section, and is removable from the down tube coaxially along a longitudinal axis of the down tube. The disclosure also relates to a bicycle frame or frame interface unit respectively, and to an energy storage device for the electric bicycle drive unit. The energy storage device is attached directly to a housing of the motor device or in a common housing of motor device and energy storage device when the drive unit is installed in the bicycle frame in a state ready for operation.


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    Title :

    ELECTRIC BICYCLE DRIVE UNIT AND ENERGY STORAGE DEVICE


    Contributors:

    Publication date :

    2024-04-25


    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 / B62J Fahrrad- oder Motorradsättel oder -sitze , CYCLE SADDLES OR SEATS




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