Brushless direct current motor for power tools
US11114927B2 · kind B2 · utility
1Cited by
58References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 11, 2020 |
| Grant date | Sep 7, 2021 |
| Priority date | — |
| Expiry date | Nov 11, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K2211/03
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A brushless electric motor includes a stator and a rotor. The stator includes a core defining a plurality of stator teeth, a first end cap proximate a first end of the core, a second end cap proximate a second end of the core, and a plurality of coils disposed on the respective stator teeth. The stator also includes a plurality of coil contact plates overmolded within one of the first end cap or the second end cap that short-circuit diagonally opposite coils on the stator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.