It is required to obtain an electric rotating machine apparatus (100) that secures a heat-radiation property, suppresses upsizing, and can suppress the effect of noise generated from a current-supply circuit (3a). The electric rotating machine apparatus (100) according to the present disclosure includesan electric rotating machine (2),a heat sink (50) having a plate-shaped portion (502) extending toward axial-direction one side,a current-supply circuit board (30) that is disposed on one surface of the plate-shaped portion (50) of the heat sink (50) and on which a current-supply circuit (3a) for supplying an electric current to the electric rotating machine (2) is mounted, anda control circuit board (40) that is disposed in such a way as to be spaced apart from and in parallel with the current-supply circuit board (30) and on which a control circuit (4a) for controlling the current-supply circuit (3a) is mounted. In addition, an electric power steering apparatus (160) according to the present disclosure includes the foregoing electric rotating machine apparatus (100).


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    Title :

    ROTATING ELECTRIC MACHINE DEVICE AND ELECTRIC POWER STEERING DEVICE


    Additional title:

    ELEKTRISCHE DREHMASCHINE UND ELEKTRISCHE SERVOLENKVORRICHTUNG
    DISPOSITIF DE MACHINE ÉLECTRIQUE TOURNANTE ET DISPOSITIF DE DIRECTION ASSISTÉE ÉLECTRIQUE


    Contributors:

    Publication date :

    2025-01-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

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



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