Brushless direct current motor for power tools
US12237739B2 · kind B2 · utility
0Cited by
64References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 28, 2023 |
| Grant date | Feb 25, 2025 |
| Priority date | — |
| Expiry date | Nov 28, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K2211/03
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method of manufacturing a brushless electric motor including providing a stator that includes a core defining a plurality of stator teeth, positioning a rotor within the stator, coupling a stator end cap to an end of the core, winding a plurality of coils on the plurality of stator teeth, and overmolding a plurality of coil contact plates within the stator end cap. The coil contact plates short-circuit diagonally opposite coils on the stator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.