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.


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    Titel :

    MOTOR UNIT AND ELECTRIC BICYCLE


    Beteiligte:
    IDO SHIGERU (Autor:in) / KAWAKAMI MASAFUMI (Autor:in) / NAKANO TAKANORI (Autor:in)

    Erscheinungsdatum :

    30.03.2023


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer



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