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Patent Searching and Data


Title:
ROTOR AND METHOD FOR MANUFACTURING ROTOR
Document Type and Number:
WIPO Patent Application WO/2020/249994
Kind Code:
A1
Abstract:
This rotor has a rotor shaft and is used in a rotating electric machine that is rotationally driven by the magnetic forces of permanent magnets inserted in magnet insertion holes. The rotor has: a rotor core configured by laminating core plates in the axial direction, said core plates being each configured by installing arc-shaped divided cores having the magnetic insertion holes adjacent to each other in the circumferential direction; and end plates each provided at an end portion of the rotor core in the axial direction. The end plates are provided with projection portions projecting toward the magnet insertion holes and locking the inner wall surfaces of the magnet insertion holes on the inner diameter side.

Inventors:
INOUE JUN (JP)
IKEMI TAKESHI (JP)
NAKADA TORU (JP)
INUZUKA KENTA (JP)
Application Number:
PCT/IB2019/000632
Publication Date:
December 17, 2020
Filing Date:
June 14, 2019
Export Citation:
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Assignee:
NISSAN MOTOR (JP)
RENAULT SAS (FR)
International Classes:
H02K1/27; H02K15/02
Domestic Patent References:
WO2015198382A12015-12-30
WO2018163319A12018-09-13
Foreign References:
JP2018148746A2018-09-20
JP2019075930A2019-05-16
Attorney, Agent or Firm:
GOTOH & PARTNERS (JP)
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