Electric machine rotor for harmonic flux reduction
US10958120B2 · kind B2 · utility
4Cited by
3References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 20, 2017 |
| Grant date | Mar 23, 2021 |
| Priority date | — |
| Expiry date | Jul 22, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K29/03
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A permanent magnet machine is provided. The permanent magnet machine may include a plurality of laminations stacked to form a rotor. Each of the laminations may define a d-axis, and first and second, recessed notches on an outer circumference. The first and second recessed notches may be disposed at ±180/N electrical degrees with respect to the d-axis. N may be a multiple of 6.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.