Electromechanical system
US11171524B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 3, 2020 |
| Grant date | Nov 9, 2021 |
| Priority date | — |
| Expiry date | Mar 1, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K2201/15
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electromechanical system comprising: a rotor comprising a plurality of teeth spaced about a circumference of the rotor, wherein the teeth of the rotor are equally spaced about the rotor according to a tooth spacing angle, and are skewed in an axial direction such that the circumferential positions of the teeth of the rotor vary along the axial length of the rotor, and first and second stator segments, each extending partway about the rotor and comprising a field winding and poles arranged to magnetically interact with the teeth of the rotor such that an alternating current (AC) back-emf is induced in the field winding upon rotation of the rotor. The poles of the first stator segment are angularly displaced about the rotor from the poles of the second stator segment such that the back-emf induced in the field winding of the first stator segment is phase shifted with respect to the back-emf induced in the field winding of the second stator segment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.