Title:
ROTOR AND MOTOR USING SAME
Document Type and Number:
WIPO Patent Application WO/2018/135409
Kind Code:
A1
Abstract:
A rotor 2 is equipped with: a cylindrical rotor core 11 that is provided with a plurality of salient pole portions 23 protruding in the radial direction, and extends along the central axis P; and a plurality of magnetic pole portions 35 that are provided with, upon the outer peripheral surface of the rotor core 11 or in the interior of the same in the radial direction, rotor magnets 12 disposed in a manner alternating with the salient pole portions 23 in the circumferential direction of the rotor core 11. The salient pole portions 23 and the magnetic pole portions 35 are the magnetic poles of the rotor 2. In a cross-section orthogonal to the central axis P, the salient pole portions 23 are each provided with, on at least one end in the circumferential direction, a salient pole taper section 23b in which the outer peripheral surface 23a of the salient pole portion 23 inclines in a straight line inward in the radial direction, said incline tapering from the center to the outer side of the salient pole portion 23 in the circumferential direction.
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Inventors:
UEDA TOMOYA (JP)
Application Number:
PCT/JP2018/000646
Publication Date:
July 26, 2018
Filing Date:
January 12, 2018
Export Citation:
Assignee:
NIDEC CORP (JP)
International Classes:
H02K1/27
Domestic Patent References:
| WO2010095752A1 | 2010-08-26 |
Foreign References:
| JP2014090577A | 2014-05-15 | |||
| JP5524674B2 | 2014-06-18 |
Attorney, Agent or Firm:
KOHO IP LAW (JP)
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