Title:
ROTOR AND MOTOR
Document Type and Number:
WIPO Patent Application WO/2019/123962
Kind Code:
A1
Abstract:
Provided is a rotor of a consequent motor, comprising: a shaft rotating about a central axis extending along a vertical direction; a rotor core that is fixed to the shaft and has a plurality of magnet accommodating portions; and a plurality of magnets that is enclosed in the rotor core, is provided at intervals in a circumferential direction around the central axis, and is to be accommodated in the magnet accommodating portions respectively, wherein the rotor core is provided with salient pole portions protruding radially outward around the central axis, between the magnets adjacent to each other in the circumferential direction, iron core portions exist at a position radially outward of the magnets, and a curvature radius of an outer circumferential surface of each of the salient pole portions is smaller than that of an outer circumferential surface of each of the iron core portions. Drawing_references_to_be_translated
Inventors:
TANAKA KUNIAKI (JP)
Application Number:
PCT/JP2018/043033
Publication Date:
June 27, 2019
Filing Date:
November 21, 2018
Export Citation:
Assignee:
NIDEC CORP (JP)
International Classes:
H02K1/27; H02K1/22
Foreign References:
| JP2012244783A | 2012-12-10 | |||
| JP2014131376A | 2014-07-10 | |||
| JP2012110214A | 2012-06-07 | |||
| JP2010263774A | 2010-11-18 | |||
| JP2010263763A | 2010-11-18 |
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