Title:
ROTOR AND ROTATING ELECTRIC MACHINE
Document Type and Number:
WIPO Patent Application WO/2023/171488
Kind Code:
A1
Abstract:
One aspect of a rotor of the present invention comprises: a rotor core having a plurality of magnet holes extending axially about a central axis, and a plurality of storage parts; a plurality of magnetic pole parts having magnets disposed in the magnet holes; and a magnetostrictive part that is disposed in the storage part with a gap between the magnetic pole parts, and has a relative magnetic permeability which varies with elastic deformation. The magnetostrictive part is disposed on the d-axis of the magnetic pole part on a radially outer side of the magnets, and extends in a circumferential direction.
Inventors:
FUKUZAKI TOMOKAZU (JP)
GUO RUIJUAN (JP)
GUO RUIJUAN (JP)
Application Number:
PCT/JP2023/007545
Publication Date:
September 14, 2023
Filing Date:
March 01, 2023
Export Citation:
Assignee:
NIDEC CORP (JP)
International Classes:
H02K1/276; H02K1/22
Domestic Patent References:
| WO2020110383A1 | 2020-06-04 |
Foreign References:
| JP2012228077A | 2012-11-15 | |||
| JPH09200985A | 1997-07-31 | |||
| JP2021197814A | 2021-12-27 | |||
| CN211701649U | 2020-10-16 |
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