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Patent Searching and Data


Title:
ROTATING ELECTRIC MACHINE
Document Type and Number:
WIPO Patent Application WO/2020/021788
Kind Code:
A1
Abstract:
A rotating electric machine 100 comprises a stator 1 and a rotor 2. The rotor 2 includes a plurality of stages of rotor units 201, 202 stacked in the axial direction. Each of the rotor units 201, 202 includes a pair of permanent magnets 21 and one or more rows of slits 22a, 22b. The slits 22a, 22b have an arc shape, and both ends of the arc shape are arranged on the outer peripheral side of the rotor 2. When an angle formed by two straight lines connecting the positions of both ends of the arc shape and the rotation axis center of the rotor 2 is made to be an arc angle, at least one of the arc angle and the number of rows of the slits 22a is different between at least two of the rotor units 201, 202.

Inventors:
MITSUDA HIROSHI (JP)
MIYAMA YOSHIHIRO (JP)
HAZEYAMA MORIYUKI (JP)
INOUE MASAYA (JP)
NAKAMURA MASASHI (JP)
Application Number:
PCT/JP2019/015967
Publication Date:
January 30, 2020
Filing Date:
April 12, 2019
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H02K1/22; H02K1/27
Domestic Patent References:
WO2017009969A12017-01-19
Foreign References:
JP2003333778A2003-11-21
JP2005341655A2005-12-08
JP2016082778A2016-05-16
JP2013255321A2013-12-19
JP2016220382A2016-12-22
Attorney, Agent or Firm:
SOGA, Michiharu et al. (JP)
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