Motor and motor assembly
US11843307B2 · kind B2 · utility
0Cited by
3References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 1, 2021 |
| Grant date | Dec 12, 2023 |
| Priority date | — |
| Expiry date | Sep 22, 2041 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H55/22
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A motor includes a stator, a rotor, and a bearing. The stator includes a shaft that extends in a vertical direction. The rotor is rotatable around the shaft. The bearing supports the rotor in a rotatable manner. The rotor includes a magnet, a case, and a tooth groove. The magnet is radially outward of the stator and opposes the stator in a radial direction. The case covers a radially outer end of the magnet. The tooth groove is provided in a radially outer surface of the case.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.