Provided are a motor unit with improved heat dissipation capability for electric bicycles and an electric bicycle including such a motor unit. A motor unit (3) for use in electric bicycles includes a motor (5) and a unit case (4) to which the motor (5) is fitted. The motor (5) includes: a stator (53); a rotor (52) arranged to be surrounded with the stator (53); a rotary shaft (51) fixed to the rotor (52); and a metallic cup (57) to house the stator (53) and the rotor (52) at least partially. An inner peripheral surface (570) of the metallic cup (57) is in pressure contact with the stator (53).


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    Title :

    ELECTRIC BICYCLE MOTOR UNIT AND ELECTRIC BICYCLE


    Additional title:

    ELEKTRISCHE FAHRRADMOTOREINHEIT UND ELEKTRISCHES FAHRRAD
    UNITÉ DE MOTEUR DE BICYCLETTE ÉLECTRIQUE ET BICYCLETTE ÉLECTRIQUE


    Contributors:

    Publication date :

    2021-07-21


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES / B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer



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