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).
ROTATING ELECTRIC MACHINE DEVICE AND ELECTRIC POWER STEERING DEVICE
ELEKTRISCHE DREHMASCHINE UND ELEKTRISCHE SERVOLENKVORRICHTUNG
DISPOSITIF DE MACHINE ÉLECTRIQUE TOURNANTE ET DISPOSITIF DE DIRECTION ASSISTÉE ÉLECTRIQUE
2025-01-01
Patent
Electronic Resource
English
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