Rotor for an electric motor
US7196446B2 · kind B2 · utility
52Cited by
11References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 23, 2004 |
| Grant date | Mar 27, 2007 |
| Priority date | — |
| Expiry date | Oct 21, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K1/2766
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention relates to a rotor for an electric motor comprising an essentially cylindrical rotor core having a central aperture, and comprising permanent magnets which are embedded in the rotor core and extend essentially like spokes through the rotor core, the radially inner ends of selected adjacent permanent magnets being magnetically coupled by at least one auxiliary magnet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.