Patent ID: 11870326
Assignee: HITACHI ASTEMO, LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 2:
3. An electric drive apparatus comprising:
a motor housing configured to house an electric motor, wherein the electric motor includes a stator, a rotor, and a rotating shaft fixed to the rotor, and is configured to drive a controlled object of a mechanical system;
a permanent magnet provided at an axial end of a rotating shaft of the electric motor;
a board arranged to face the axial end of the rotating shaft, and provided with a first electrical component and a sensing part for sensing rotation of the rotating shaft in cooperation with the permanent magnet;
an axial end part formed separately from the motor housing, and arranged at an axial end of the motor housing, and having an electronic control section side facing away from the electrical motor, wherein the electronic control section side of the axial end part includes a step between a first level and a second level of the electronic control section side of the axial end part such that the second level is higher in an axial direction of the motor housing than the first level; and
a second electrical component;
wherein the board is placed on the second level of the axial end part of the motor housing;
the second electrical component is placed on the first level of the axial end part of the motor housing and apart from the board such that the second electrical component is closer to the electric motor than the second level of the axial end part of the motor housing; and
the permanent magnet projects toward the board with respect to the first level of the axial end part of the motor housing.