To provide a motor unit for an electric bicycle which can achieve improvement of heat radiation performance, and to provide an electric bicycle including the motor unit.SOLUTION: A motor unit 3 for an electric bicycle includes: a motor 5; and a unit case 4 to which the motor 5 is attached. The motor 5 includes: a stator 53; a rotor 52 which is located enclosed by the stator 53; a rotary shaft 51 fixed to the rotor 52; and a metallic cup 57 which houses at least parts of the stator 53 and the rotor 52. An inner peripheral surface 570 of the metallic cup 57 is pressure-welded to the stator 53.SELECTED DRAWING: Figure 3

    【課題】放熱性向上を実現することのできる電動自転車用モータユニット及びこれを備えた電動自転車を提供する。【解決手段】電動自転車用モータユニット3は、モータ5と、モータ5が取り付けられるユニットケース4を具備する。モータ5は、ステータ53と、ステータ53に囲まれて位置するロータ52と、ロータ52に固定された回転軸51と、ステータ53とロータ52の少なくとも一部が収容される金属カップ57を備える。金属カップ57の内周面570は、ステータ53に圧接している。【選択図】図3


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    Title :

    MOTOR UNIT FOR ELECTRIC BICYCLE AND ELECTRIC BICYCLE


    Additional title:

    電動自転車用モータユニット及び電動自転車


    Contributors:

    Publication date :

    2019-09-19


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    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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