Title:
ROTATING ELECTRICAL MACHINE
Document Type and Number:
WIPO Patent Application WO/2023/026637
Kind Code:
A1
Abstract:
A rotating electrical machine 1 comprising: a rotor 10 that has a plurality of permanent magnets 13 embedded in an outer periphery, and is rotatable; a stator 20 that is securely mounted around the rotor 10, and has a plurality of coils 22 mounted on a stator core 21; and a motor housing 30 that stores the rotor 10 and the stator 20 therein, the stator 20 being secured to the motor housing 30 with bolts (fasteners) 23 inserted through a plurality of securing portions 24 protruding radially outward from an outer periphery of the stator core 21. A flux barrier 25 is formed to axially penetrate the stator core 21, at a position that is near each securing portion 24, and does not overlap the securing portion 24 in the radial direction. Here, the securing portions 24 are disposed at an equal angular pitch in a circumferential direction of the stator core 21, and the flux barriers 25 are formed on both sides of each of the securing portions 24 in the circumferential direction.
Inventors:
UEDA TOMOYA (JP)
Application Number:
PCT/JP2022/023594
Publication Date:
March 02, 2023
Filing Date:
June 13, 2022
Export Citation:
Assignee:
NIDEC CORP (JP)
International Classes:
H02K1/18
Foreign References:
| JP2019004568A | 2019-01-10 | |||
| JP2013247710A | 2013-12-09 | |||
| JPH11243653A | 1999-09-07 |
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