Magnetizer for electrical machines
US8970333B2 · kind B2 · utility
2Cited by
0References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 29, 2011 |
| Grant date | Mar 3, 2015 |
| Priority date | — |
| Expiry date | Jan 8, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/72
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention relates a device for magnetizing a rotor of an electrical machine with a power rating of at least 1 MW, wherein the rotor comprises permanent magnet material, said device comprising a yoke with an electromagnetic coil arranged to produce a pulsed magnetic field for magnetizing the permanent magnet material, wherein the magnetic field is sufficient to magnetize a permanent magnetic pole wherein the rotor and yoke is in a fixed relation to each other. The invention also relates to a method for magnetization of a rotor with permanent magnets for an electrical machine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.