Title:
モータ、及び、モータの状態判定装置
Document Type and Number:
Japanese Patent JP7335803
Kind Code:
B2
Abstract:
To improve bearing reliability in a motor.SOLUTION: A motor 10 includes a rotor having a rotating shaft 23, a stator 24 arranged so as to face the rotor in the circumferential direction, and a pair of bearing portions 22A and 22B that rotatably support the rotating shaft 23. The pair of bearing portions 22A and 22B includes first bearings 221A and 221B that can rotate with the rotating shaft 23, second bearings 222A and 222B that can rotate with the first bearings 221A and 221B, and coupling portions 223A and 223B that are coupled to each other such that the first bearings 221A and 221B and the bearings 222A and 222B rotate in conjunction with each other, respectively, and the coupling portions 223A and 223B of the pair of bearing portions 22A and 22B, respectively, are coupled so as to rotate in conjunction with each other.SELECTED DRAWING: Figure 2
Inventors:
Yuya Hisatomi
Toshiyasu Tamitsuji
Toshiyasu Tamitsuji
Application Number:
JP2019224278A
Publication Date:
August 30, 2023
Filing Date:
December 12, 2019
Export Citation:
Assignee:
MinebeaMitsumi Inc.
International Classes:
H02K5/173; H02K11/215
Domestic Patent References:
| JP9273547A | ||||
| JP49140546U | ||||
| JP2004156779A | ||||
| JP4125045A | ||||
| JP16001384Y1 |
Foreign References:
| US5998894 |
Attorney, Agent or Firm:
Einzel Felix-Reinhard
Junichi Maekawa
Ueshima class
Junichi Maekawa
Ueshima class