Title:
ROTATING ELECTRICAL MACHINE ROTOR
Document Type and Number:
WIPO Patent Application WO/2021/060209
Kind Code:
A1
Abstract:
According to an embodiment of the present invention, a rotating electrical machine rotor includes a plurality of magnetic poles provided side-by-side about a central axis in a circumferential direction, wherein each magnetic pole is provided with: a rotor iron core including at least two magnet holding slots 34 provided spaced apart from one another in the circumferential direction, a first iron core portion 24a positioned between the two magnet holding slots in the circumferential direction, a second iron core portion 24b positioned between the two magnet holding slots and the central axis, and a bridge 60 joining the first iron core portion and the second iron core portion; and a plurality of permanent magnets M disposed inside each of the magnet holding slots. The bridge includes: a plurality of first center bridges 50a which are positioned between the two magnet holding slots, and which are provided spaced apart from one another in the circumferential direction; and a coupling element 50b linking the plurality of first center bridges to one another.
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Inventors:
HISADA HIDEKI (JP)
MAKINO HIROAKI (JP)
UCHIDA HIDENORI (JP)
MAKINO HIROAKI (JP)
UCHIDA HIDENORI (JP)
Application Number:
PCT/JP2020/035584
Publication Date:
April 01, 2021
Filing Date:
September 18, 2020
Export Citation:
Assignee:
TOSHIBA KK (JP)
TOSHIBA INFRASTRUCTURE SYSTEMS & SOLUTIONS CORP (JP)
TOSHIBA INFRASTRUCTURE SYSTEMS & SOLUTIONS CORP (JP)
International Classes:
H02K1/27
Domestic Patent References:
| WO2017209302A1 | 2017-12-07 |
Foreign References:
| US20190027983A1 | 2019-01-24 | |||
| CN102810919A | 2012-12-05 | |||
| JP2012165482A | 2012-08-30 | |||
| JPH04128056U | 1992-11-20 |
Attorney, Agent or Firm:
S & S INTERNATIONAL PPC (JP)
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