Title:
DRIVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/162443
Kind Code:
A1
Abstract:
One embodiment of a drive device according to the present invention comprises: a motor having a rotor that rotates around a central axis, and a stator that faces the rotor in the radial direction and is provided with a stator core; a control unit that is positioned on one side of the motor in the axial direction and is electrically connected to the motor; a bearing holder that is positioned between the motor and the control unit, and holds a bearing that rotatably supports the rotor; and a housing that accommodates the motor, the control unit, and the bearing holder. The bearing holder is provided with a through-hole that penetrates the bearing holder in the axial direction. The housing is provided with a breather that is positioned nearer one side in the axial direction than the stator core, and allows the inside of the housing to communicate with the outside.
Inventors:
ASO KEISUKE (JP)
MAKINO YUSUKE (JP)
WADA NAOHIRO (JP)
MAKINO YUSUKE (JP)
WADA NAOHIRO (JP)
Application Number:
PCT/JP2022/047214
Publication Date:
August 31, 2023
Filing Date:
December 21, 2022
Export Citation:
Assignee:
NIDEC CORP (JP)
International Classes:
H02K5/10; B60K1/00; F16H57/027; H02K7/116
Foreign References:
| JP2014158410A | 2014-08-28 | |||
| JP2016119799A | 2016-06-30 | |||
| JP2014166067A | 2014-09-08 | |||
| JP2013179830A | 2013-09-09 |
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