Title:
ROTOR, MOTOR, AND ELECTRIC POWER STEERING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/069547
Kind Code:
A1
Abstract:
One embodiment of a rotor according to the present invention is provided with: a shaft having a central axis; a rotor core which is fixed to the shaft; magnet parts and magnetic parts which are provided side by side in the radial direction on the outer surface of the rotor core in the radial direction; and gaps which are provided so as to overlap portions of the magnet parts other than central portions in the circumferential direction, when viewed from the radial direction. The gaps are provided in the magnetic parts and/or outer end parts of the rotor core in the radial direction.
Inventors:
ICHIEN AKIRA (JP)
ABE HIROYUKI (JP)
KINJO HIDEYUKI (JP)
ABE HIROYUKI (JP)
KINJO HIDEYUKI (JP)
Application Number:
PCT/JP2018/028985
Publication Date:
April 11, 2019
Filing Date:
August 02, 2018
Export Citation:
Assignee:
NIDEC CORP (JP)
International Classes:
H02K1/27
Foreign References:
| JP2005117858A | 2005-04-28 | |||
| JP2008167520A | 2008-07-17 | |||
| JP2013051761A | 2013-03-14 | |||
| JP2006101695A | 2006-04-13 |
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