Title:
ROTOR, AND ROTATING ELECTRIC MACHINE
Document Type and Number:
WIPO Patent Application WO/2023/195258
Kind Code:
A1
Abstract:
One aspect of a rotor of the present invention has a plurality of magnetic poles arranged along the circumferential direction, a rotor core extending in a columnar shape centered on a central axis, and a plurality of magnets that are held in a magnet hole of the rotor core and form magnetic poles. A straight line passing through the center of the magnetic poles when seen axially is a d-axis. An outer circumferential surface of the rotor core, which faces radially outward, has a plurality of outer end portions located on the d-axis of the respective magnetic poles, and a plurality of retract portions, each of which is located between the outer end portions in the circumferential direction, and offset to a radially inner side relative to the outer end portions.
Inventors:
KITANO MASAHIRO (JP)
UEDA TOMOYA (JP)
HARA TAKAYUKI (JP)
UEDA TOMOYA (JP)
HARA TAKAYUKI (JP)
Application Number:
PCT/JP2023/006316
Publication Date:
October 12, 2023
Filing Date:
February 21, 2023
Export Citation:
Assignee:
NIDEC CORP (JP)
International Classes:
H02K1/276
Foreign References:
| JP2007300692A | 2007-11-15 | |||
| JP2021197814A | 2021-12-27 |
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