Title:
PERMANENT MAGNET ROTOR AND METHOD FOR MANUFACTURING PERMANENT MAGNET ROTOR
Document Type and Number:
WIPO Patent Application WO/2023/157131
Kind Code:
A1
Abstract:
This permanent magnet rotor (10) comprises: a rotating shaft (1); an inner circumferential side magnet (2) that has a plurality of recesses (24) on the outer circumferential side and is an annular bonded magnet holding the rotating shaft (1); and an outer circumferential side magnet (3) that is an annular bonded magnet provided on the outer circumferential side of the inner circumferential side magnet (2). The outer circumferential side magnet (3) has a plurality of protrusions (31) that protrude toward the inner circumferential side and engage with the plurality of recesses (24) of the inner circumferential side magnet (2).
Inventors:
OKADA JUNJI (JP)
NAKAMURA TAKUYA (JP)
NISHIBU MOTOAKI (JP)
OHASHI YUICHIRO (JP)
TATEBE AKIKO (JP)
NAKAMURA TAKUYA (JP)
NISHIBU MOTOAKI (JP)
OHASHI YUICHIRO (JP)
TATEBE AKIKO (JP)
Application Number:
PCT/JP2022/006198
Publication Date:
August 24, 2023
Filing Date:
February 16, 2022
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H02K15/03; H02K1/278
Domestic Patent References:
| WO2013111301A1 | 2013-08-01 |
Foreign References:
| JP2006019573A | 2006-01-19 | |||
| JP2011188701A | 2011-09-22 | |||
| JP2006121807A | 2006-05-11 | |||
| JP2018182993A | 2018-11-15 | |||
| JP2018019524A | 2018-02-01 |
Attorney, Agent or Firm:
TAKAMURA, Jun (JP)
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