To provide a motor unit for electric bicycles that can improve heat dissipation.SOLUTION: A motor unit for electric bicycles 3 includes a motor 5 having a stator 53, a rotor 54, and a rotating shaft 51, a unit case 4 in which part of the rotating shaft 51 is housed, a control board 35 housed in the unit case 4 and controlling the rotation of the motor 5, and a thermally conductive member 9 in contact with the control board 35 and the unit case 4 to conduct heat from the control board 35 to the unit case 4. The thermally conductive member 9 has a first thermally conductive member 91 provided between the control board 35 and the stator 53.SELECTED DRAWING: Figure 9

    【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を提供する。【解決手段】電動自転車用モータユニット3は、ステータ53、ロータ54、及び回転軸51を有するモータ5と、回転軸51の一部が収容されるユニットケース4と、ユニットケース4に収容され、モータ5の回転を制御する制御基板35と、制御基板35およびユニットケース4に接することにより、制御基板35の熱をユニットケース4に伝導する熱伝導性部材9と、を備える。熱伝導性部材9は、制御基板35とステータ53との間に設けられた第1熱伝導性部材91を有する。【選択図】図9


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    Title :

    MOTOR UNIT FOR ELECTRIC BICYCLES


    Additional title:

    電動自転車用モータユニット


    Contributors:

    Publication date :

    2024-11-21


    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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