Title:
ROTOR AND ELECTRIC MOTOR
Document Type and Number:
WIPO Patent Application WO/2023/162331
Kind Code:
A1
Abstract:
This rotor is provided to an electric motor and comprises: an inner core to which a rotational shaft is fixed; an outer core which surrounds the inner core; an elastic body which is filled between the inner core and the outer core; a plurality of rotor magnets which are arranged in a ring in the rotational direction of the rotational shaft and are fixed to the outer core; and a sensor magnet which is fixed to the outer core in the axial extension direction of the rotational shaft. Each of the plurality of rotor magnets has a flux density of not less than 1.0 teslas. The sensor magnet is provided integrally with the outer core.
Inventors:
NANBU YASUO
Application Number:
PCT/JP2022/039432
Publication Date:
August 31, 2023
Filing Date:
October 24, 2022
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H02K11/215; H02K1/276; H02K1/28; H02K5/24; H02K29/08
Domestic Patent References:
| WO2017033239A1 | 2017-03-02 | |||
| WO2020003341A1 | 2020-01-02 |
Foreign References:
| JP2004297935A | 2004-10-21 | |||
| JP2016022555A | 2016-02-08 | |||
| JP2009284658A | 2009-12-03 |
Attorney, Agent or Firm:
KAMATA Kenji et al. (JP)
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