Title:
MOTOR ROTOR, MOTOR ROTOR PRODUCTION METHOD, MOTOR, AND ELECTRICAL SUPERCHARGER
Document Type and Number:
WIPO Patent Application WO/2023/132108
Kind Code:
A1
Abstract:
This rotor comprises: an inner sleeve that includes a holding part for holding a shaft which has a rotation axis and a first gap part including a portion which does not contact the shaft; a magnet that has a cylindrical shape provided with a magnet through hole into which the inner sleeve is inserted, the inner sleeve being disposed in magnet through hole; and a first end ring that has an end ring through hole into which the inner sleeve is press fitted. The holding part and the first gap part are each provided with respective through hole parts which insert into each other and in which the shaft is disposed. The inner diameter of the through hole part provided in the first gap part is greater than the inner diameter of the through hole part provided in the holding part. The first end ring is disposed in the first gap part.
Inventors:
NAKAYAMA SHUN (JP)
SASAKI YUJI (JP)
KATSU YOSHIHITO (JP)
SAKOTA KOJI (JP)
SASAKI YUJI (JP)
KATSU YOSHIHITO (JP)
SAKOTA KOJI (JP)
Application Number:
PCT/JP2022/036574
Publication Date:
July 13, 2023
Filing Date:
September 29, 2022
Export Citation:
Assignee:
IHI CORP (JP)
International Classes:
H02K1/2733; H02K15/16; H02K21/14
Domestic Patent References:
| WO2018021104A1 | 2018-02-01 |
Foreign References:
| JP2010200456A | 2010-09-09 |
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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