Title:
ROTOR AND MOTOR
Document Type and Number:
WIPO Patent Application WO/2023/007967
Kind Code:
A1
Abstract:
In the present invention, a rotor 1 comprises: a rotor body 2 having rotational axis A; a plurality of first permanent magnets 41 and a plurality of second permanent magnets 42 arranged alternatingly in the circumferential direction about the rotational axis A on the rotor body 2 and forming mutually different magnetic polarities; a plurality of third permanent magnets 43 arranged corresponding to each of the plurality of first permanent magnets 41 at an end surface 3a of the rotor body 2 and forming the same magnetic polarity as the first permanent magnets 41; and a plurality of fourth permanent magnets 44 arranged corresponding to each of the plurality of second permanent magnets 42 at the end surface 3a of the rotor body 2 and forming the same magnetic polarity as the second permanent magnets 42. The d-axis of each of the first permanent magnets 41 and the second permanent magnets 42, and the d-axis of each of the third permanent magnets 43 and the fourth permanent magnets 44 are shifted in the circumferential direction.
Inventors:
SHIBAYAMA YOSHIYASU
IMAMURA KEIGO
UETA KAZUKI
IMAMURA KEIGO
UETA KAZUKI
Application Number:
PCT/JP2022/023674
Publication Date:
February 02, 2023
Filing Date:
June 13, 2022
Export Citation:
Assignee:
KAWASAKI HEAVY IND LTD (JP)
International Classes:
H02K1/276
Foreign References:
| JP2018113769A | 2018-07-19 | |||
| JPH10112945A | 1998-04-28 |
Attorney, Agent or Firm:
TERAZONO Kenichi et al. (JP)
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