Title:
ロータ及びそれを備えたモータ
Document Type and Number:
Japanese Patent JP7266180
Kind Code:
B2
Abstract:
Arotor includes: a shaft; a rotor back yoke having a through hole defined in an axial center through which the shaft is inserted, the rotor back yoke being integrally and rotatably connected to the shaft; and magnets fixed to an outer peripheral surface of the rotor back yoke, the plurality of magnets being disposed with magnetic poles of different polarities being arranged alternately along a circumferential direction. The rotor back yoke includes a plurality of first cutout portions provided at predetermined intervals in the circumferential direction and extending from an inner peripheral surface of the rotor back yoke outward in a radial direction. Each of the plurality of first cutout portions extends along an axial direction, from one end surface to the other end surface of the rotor back yoke.
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Inventors:
Naoto Miyawaki
Maekawa Takeshi
Koji Kamata
Maekawa Takeshi
Koji Kamata
Application Number:
JP2019092466A
Publication Date:
April 28, 2023
Filing Date:
May 15, 2019
Export Citation:
Assignee:
Panasonic IP Management Co., Ltd.
International Classes:
H02K1/278
Domestic Patent References:
| JP2014090574A | ||||
| JP6022077B2 |
Foreign References:
| WO2011042984A1 |
Attorney, Agent or Firm:
Patent Attorney Corporation Maeda Patent Office
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