In construction of an electric drive device such as an electric power steering device or the like, there is employed a cylindrical metal housing that has therein in order first, second, third and fourth spaces coaxially arranged to respectively house therein a power circuit part, a power conversion circuit part, a control circuit part and an electric motor, a circular heat transfer metal substrate is arranged in the cylindrical metal housing between the first and second spaces and the circular heat transfer metal substrate has a cylindrical outer wall that is in contact with a cylindrical inner surface of the cylindrical metal housing, one flat surface to which a basal metal plate of the power circuit part is intimately connected and another flat surface to which a basal metal plate of the power conversion circuit part is intimately connected.


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    Titel :

    Electric drive device and electric power steering device


    Beteiligte:
    FUJIMOTO MASAO (Autor:in)

    Erscheinungsdatum :

    03.10.2017


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES / B62D MOTOR VEHICLES , Motorfahrzeuge



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