A motor unit comprises a case, a motor, an input shaft, an output structure, a transmission member, a first tooth portion, a torque detection unit, and a rotator. The case includes a first supporting portion located at a first end of an inside of the case in the axial direction and rotatably supporting the rotator, and a second supporting portion located at a second end of the inside of the case in the axial direction and rotatably supporting the rotator. The rotator includes a second tooth portion meshing with the first tooth portion. A meshing part of the first tooth portion with the second tooth portion is arranged between the input shaft and the rotator in a direction perpendicular to the axis and is arranged radially outward of the rotator than the first supporting portion and the second supporting portion.


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    Title :

    POWER TRANSMISSION UNIT FOR ELECTRIC BICYCLES, AND ELECTRIC BICYCLE


    Contributors:

    Publication date :

    2025-03-20


    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 / F16D COUPLINGS FOR TRANSMITTING ROTATION , Nicht schaltbare Kupplungen



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