Electric motors with pole biasing
US10965176B2 · kind B2 · utility
0Cited by
17References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 15, 2019 |
| Grant date | Mar 30, 2021 |
| Priority date | — |
| Expiry date | Apr 3, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K2201/06
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An example motor includes: a rotor with a plurality of alternate polarity permanent magnets; and a stator forming a like number of poles. The stator forms one or more biasing features concentrating magnetic flux at at least one location. In some examples, the stator has an interior surface unbroken by locating features, and the stator has one or more openings that form the one or more biasing features.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.