Rotor and motor, power tool comprising the rotor
US10424998B2 · kind B2 · utility
3Cited by
13References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 5, 2017 |
| Grant date | Sep 24, 2019 |
| Priority date | — |
| Expiry date | Jan 31, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K37/14
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A rotor includes a magnet yoke and a number of permanent magnets. The magnet yoke defines a number of accommodating slots therein, and each of the permanent magnets is received in one of the accommodating slots. An elastic member protrudes from the magnet yoke towards each of the accommodating slots, the permanent magnets are inserted in the corresponding accommodating slots, and the elastic members are bent and abut against the permanent magnets. A motor and a power tool include the rotor are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.