Title:
DRIVE DEVICE AND METHOD FOR MANUFACTURING DRIVE DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/188619
Kind Code:
A1
Abstract:
One aspect of this drive device according to the present invention comprises: a motor that has a rotor that rotates about a center axis and a stator that radially faces the rotor; a cylindrical water jacket that is centered about the center axis and opens on both sides in the axial direction; and a housing that contains the motor and the water jacket. The stator has an annular stator core obtained by helically laminating band-like plates. The water jacket is disposed on the radial inside of the housing. The water jacket has a shrink-fit part that holds the outer circumferential surface of the stator core.
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Inventors:
TSUJIMOTO KENTO (JP)
MAKINO YUSUKE (JP)
WADA NAOHIRO (JP)
MAKINO YUSUKE (JP)
WADA NAOHIRO (JP)
Application Number:
PCT/JP2022/047296
Publication Date:
October 05, 2023
Filing Date:
December 22, 2022
Export Citation:
Assignee:
NIDEC CORP (JP)
International Classes:
H02K1/18; H02K1/20; H02K5/20; H02K15/02
Domestic Patent References:
| WO2019159522A1 | 2019-08-22 | |||
| WO2018110300A1 | 2018-06-21 |
Foreign References:
| JPH0713411Y2 | 1995-03-29 | |||
| JP2018207561A | 2018-12-27 | |||
| JP2009077468A | 2009-04-09 | |||
| JP2019068567A | 2019-04-25 | |||
| CN201742267U | 2011-02-09 | |||
| CN214007547U | 2021-08-20 | |||
| CN103557036A | 2014-02-05 |
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