A motor unit for use in an electric bicycle includes a motor, a switching element, a board, and a case. The switching element has the motor driven. The board has a principal surface and a reverse surface. The principal surface includes a mounting surface to mount the switching element thereon. The reverse surface faces opposite from the principal surface. The case houses the board therein. The board further has a through hole provided to penetrate through the board from the mounting surface through the reverse surface and a sheet of metal foil covering an inner peripheral surface of the through hole at least partially. The switching element is thermally connected to the sheet of metal foil. A part, located opposite from the switching element with respect to the board, of the case is thermally connected to the sheet of metal foil.


    Access

    Download


    Export, share and cite



    Title :

    MOTOR UNIT AND ELECTRIC BICYCLE


    Contributors:

    Publication date :

    2023-03-30


    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



    ELECTRIC BICYCLE MOTOR UNIT AND ELECTRIC BICYCLE

    NISHIMORI MASATO / KAWAKAMI MASAFUMI / ADACHI RYOHEI et al. | European Patent Office | 2021

    Free access

    ELECTRIC BICYCLE MOTOR UNIT AND ELECTRIC BICYCLE

    NISHIMORI MASATO / KAWAKAMI MASAFUMI / ADACHI RYOHEI et al. | European Patent Office | 2019

    Free access

    MOTOR UNIT FOR ELECTRIC BICYCLE AND ELECTRIC BICYCLE

    NISHIMORI MASATO / KAWAKAMI MASAFUMI / ADACHI RYOHEI et al. | European Patent Office | 2019

    Free access

    MOTOR UNIT AND ELECTRIC BICYCLE

    KAWAKAMI MASAFUMI | European Patent Office | 2019

    Free access

    MOTOR UNIT AND ELECTRIC BICYCLE

    KAWAKAMI MASAFUMI / ADACHI RYOHEI / TANAKA MASATAKA | European Patent Office | 2024

    Free access