Title:
LAMINATED CORE AND ROTATING ELECTRIC MACHINE
Document Type and Number:
WIPO Patent Application WO/2020/129924
Kind Code:
A1
Abstract:
This laminated core is provided with a plurality of magnetic steel sheets laminated to each other, wherein all pairs of the magnetic steel sheets adjacent to each other in the laminated direction are fixed to each other. Among the all pairs of the magnetic steel sheets, partial pairs of magnetic steel sheets are swaged to and not bonded to each other, and the remaing pairs of magnetic steel sheets are bonded to and not swaged to each other.
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Inventors:
WAKISAKA TAKEAKI (JP)
FUJIMURA HIROSHI (JP)
HIRAYAMA RYU (JP)
FUJIMURA HIROSHI (JP)
HIRAYAMA RYU (JP)
Application Number:
PCT/JP2019/049261
Publication Date:
June 25, 2020
Filing Date:
December 17, 2019
Export Citation:
Assignee:
NIPPON STEEL CORP (JP)
International Classes:
H02K1/18; H01F3/02; H01F27/24; H01F27/245
Foreign References:
| JP2015082848A | 2015-04-27 | |||
| JP2002088107A | 2002-03-27 | |||
| JP2017108578A | 2017-06-15 | |||
| JP2018235866A | 2018-12-17 | |||
| JP2015136228A | 2015-07-27 |
Other References:
See also references of EP 3902111A4
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
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