Rotor for switch reluctance electrical motor with teeth having irregular cross-sectional profile
US12142973B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 26, 2023 |
| Grant date | Nov 12, 2024 |
| Priority date | — |
| Expiry date | Oct 26, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K2213/03
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A switched reluctance electrical motor comprises a rotor having a substantially circular cylindrical envelope with a diameter in a range of 50 mm to 300 mm and a length in the range of 20 mm to 250 mm. The rotor comprises a plurality of radially extending rotor teeth. A switched reluctance electrical motor further comprises a stator surrounding the rotor and comprising a plurality of stator poles. The rotor teeth are circumferentially-spaced apart from each other to define slots between adjacent teeth that, expressed in normalised angular and radial coordinates, have a cross-sectional profile transverse to an axis of rotation of the rotor, lying within a well-defined polygonal region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.