Patent ID: 11863045
Assignee: HITACHI ASTEMO, LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  B  F | IPC B  H

Claim 0:
1. An electric drive device comprising:
a motor housing structured to house an electric motor, wherein the motor housing includes an end face part opposite to an output part of a rotating shaft of the electric motor, and wherein the electric motor is structured to drive a controlled object of a mechanical system;
an electronic control part arranged at the end face part of the motor housing;
a connector assembly arranged on a side of the electronic control part opposite to a side of the electronic control part that faces the end face part of the motor housing;
an annular seal accommodating portion formed around an external terminal forming part of the connector assembly, and filled with a liquid sealing agent;
a fixing member structured to fix the connector assembly to a fixing part of the end face part of the motor housing;
a liquid sealing agent guiding passage formed with the annular seal accommodating portion, and structured to allow the liquid sealing agent, which is filled in the annular seal accommodating portion, to flow to the fixing member; and
a metal cover structured to cover the electronic control part from outside, wherein the metal cover includes:
a bottom part including:
an exposure hole through which the external terminal forming part is exposed to outside; and
an annular reinforcing projecting portion formed at an edge of the exposure hole, and accommodated in the annular seal accommodating portion; and

a lateral peripheral part angled from the bottom part, and forming an opening through which the lateral peripheral part is fixed to the end face part of the motor housing.