Title:
MOTOR
Document Type and Number:
WIPO Patent Application WO/2019/065336
Kind Code:
A1
Abstract:
In one embodiment of this motor, a cover has a bottomed cylindrical first cup body and a bottomed cylindrical second cup body. The first cup body and the second cup body are arranged such that opening parts of circumferential wall parts face each other. A bottom wall part of the second cup body has provided thereto a plurality of stud bolts that protrude from the bottom wall part to one axial-direction side and are arranged at intervals from each other in the circumferential direction. A heat sink has an end surface that faces the one axial-direction side and, between stud bolts that are adjacent in the circumferential direction, contacts a surface of the bottom wall part of the second cup body that is on the other axial-direction side.
Inventors:
TAKAHASHI RYOTARO (JP)
MIZUKAMI KOJI (JP)
MIZUKAMI KOJI (JP)
Application Number:
PCT/JP2018/034331
Publication Date:
April 04, 2019
Filing Date:
September 18, 2018
Export Citation:
Assignee:
NIDEC SERVO CORP (JP)
International Classes:
H02K5/22; H02K11/30; H02K9/22
Domestic Patent References:
| WO2012120588A1 | 2012-09-13 |
Foreign References:
| JP2009261122A | 2009-11-05 | |||
| JP2008125315A | 2008-05-29 | |||
| JP2015089298A | 2015-05-07 | |||
| JP2015198168A | 2015-11-09 |
Attorney, Agent or Firm:
KOZO,Aoyama (JP)
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