Permanent magnet rotor for an electric generator
US9660489B2 · kind B2 · utility
2Cited by
1References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 28, 2013 |
| Grant date | May 23, 2017 |
| Priority date | — |
| Expiry date | Nov 18, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/72
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A permanent magnet rotor comprising a rotor rim and a plurality of permanent magnet modules arranged on the outer or inner circumference of the rotor rim, the permanent magnet modules extending generally along an axial direction and being of substantially constant axial-cross section, and comprising a base adapted to be fixed to the rim of the generator rotor, one or more permanent magnets, and one or more pole pieces, wherein the permanent magnet modules comprise an axial cooling channel extending substantially along the length of the modules.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.