Motor device
US10992248B2 · kind B2 · utility
1Cited by
8References
14Claims
0Family size
Inventor
Key dates
| Filing date | Mar 6, 2019 |
| Grant date | Apr 27, 2021 |
| Priority date | — |
| Expiry date | Jul 18, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02P25/22
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A motor device includes a stator unit including a plurality of first slots, a rotor unit rotatable relative to the stator unit, a winding unit, and a transfer switch unit. The winding unit includes first and second windings installed in the first slots. Number of poles of the first winding is less than that of the second winding. The transfer switch unit is electrically connected to the first and second windings, and is controlled to allocate access to electricity to each of the first and second windings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.