Rotor, motor, and method for manufacturing rotor
US11277053B2 · kind B2 · utility
1Cited by
1References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 27, 2018 |
| Grant date | Mar 15, 2022 |
| Priority date | — |
| Expiry date | Nov 5, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K15/165
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A rotor according to an embodiment includes a cylindrical magnet and a balance adjusting portion. The balance adjusting portion is provided to at least one end portion of the magnet in a rotation axis direction, and is used for adjusting rotational balance of the rotor. The balance adjusting portion has a first member that is in contact with an end portion of the magnet and a second member press-fitted onto the rotary shaft with the first member interposed therebetween.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.