Title:
DRIVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/162442
Kind Code:
A1
Abstract:
One embodiment of a drive device according to the present invention comprises a motor that is centered around a central axis, an inverter that is disposed on one side of the motor in the axial direction, and a housing that has a motor-accommodating part and an inverter-accommodating part. The housing has a flow path that includes a first flow path section, a second flow path section, and a third flow path section. The first flow path section is disposed in the inverter-accommodating part. The second flow path section is disposed in one of the inverter-accommodating part and the motor-accommodating part, and connects the first flow path section and the third flow path section. The third flow path section is disposed in the motor-accommodating part. The third flow path section has an outer peripheral flow path section that extends circumferentially along the outer peripheral surface of a stator. The second flow path section has a first path that extends from the first flow path section to the other side in the axial direction, and a second path that connects the first path and the outer peripheral flow path section. The second path and the outer peripheral flow path section form an obtuse angle in a connection part.
Inventors:
ASO KEISUKE (JP)
MAKINO YUSUKE (JP)
WADA NAOHIRO (JP)
TSUJIMOTO KENTO (JP)
MAKINO YUSUKE (JP)
WADA NAOHIRO (JP)
TSUJIMOTO KENTO (JP)
Application Number:
PCT/JP2022/047213
Publication Date:
August 31, 2023
Filing Date:
December 21, 2022
Export Citation:
Assignee:
NIDEC CORP (JP)
International Classes:
H02K5/20; H02K11/33
Foreign References:
| JP2019126169A | 2019-07-25 | |||
| JP2012065394A | 2012-03-29 | |||
| JP2021151101A | 2021-09-27 | |||
| JP2013179830A | 2013-09-09 |
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