Title:
ROTOR, MOTOR COMPRISING SAME, AND ROTOR PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2024/034217
Kind Code:
A1
Abstract:
This rotor comprises: a cylindrical rotor core which has a plurality of core plates that are stacked in the thickness direction and a magnet insertion hole that extends in the axial direction; and a magnet which is inserted in the magnet insertion hole. The plurality of core plates include: a first core plate having a first through hole which constitutes part of the magnet insertion hole, a second through hole which is positioned to one side in the short direction of the first through hole with respect to the first through hole, and a holding part which is positioned between the first through hole and the second through hole and which holds the magnet inserted in the magnet insertion hole; and second core plate stacked in contact with the first core plate and positioned at an end part of the rotor core in the axial direction. The second core plate has a covering part which covers at least part of the holding part and the second through hole in the axial direction of the core plates. The covering part has a staking part which is recessed in the axial direction.
Inventors:
TANAKA YOSUKE (JP)
HONDA TAKESHI (JP)
MUTO HIROFUMI (JP)
TSUJI HIDEKI (JP)
DANJO YUYA (JP)
HONDA TAKESHI (JP)
MUTO HIROFUMI (JP)
TSUJI HIDEKI (JP)
DANJO YUYA (JP)
Application Number:
PCT/JP2023/019006
Publication Date:
February 15, 2024
Filing Date:
May 22, 2023
Export Citation:
Assignee:
NIDEC CORP (JP)
International Classes:
H02K1/276
Foreign References:
| JP2000184638A | 2000-06-30 | |||
| JPH0556583A | 1993-03-05 | |||
| JP2010207090A | 2010-09-16 | |||
| JP2008295140A | 2008-12-04 |
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