A powertrain for an electric bicycle has: an electric motor; a motor gear connected to the motor; a crankshaft for connecting to crank arms; an input shaft driven by the crankshaft; an input gear connected to the input shaft and driven by the motor gear; a plurality of first gears mounted to the input shaft; a countershaft; a plurality of second gears rotationally mounted to the countershaft, each second gear being driven by a corresponding first gear; a plurality of third gears rotationally mounted to the countershaft; an output shaft; a plurality of fourth gears mounted to the output shaft, each fourth gear being selectively driven by a corresponding third gear; a first shift assembly for selectively rotationally fixing any one second to the countershaft; a second shift assembly for selectively rotationally fixing any one third gear to the countershaft; and a drive sprocket driven by the output shaft.


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    Title :

    POWERTRAIN FOR ELECTRIC BICYCLE


    Additional title:

    ANTRIEBSSTRANG FÜR EIN ELEKTROFAHRRAD
    GROUPE MOTOPROPULSEUR POUR VÉLO ÉLECTRIQUE


    Contributors:

    Publication date :

    2024-07-10


    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 / B62K Fahrräder , CYCLES



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