Electric motor
US6897596B2 · kind B2 · utility
10Cited by
9References
39Claims
0Family size
Assignees
Inventor
Key dates
| Filing date | Aug 25, 2003 |
| Grant date | May 24, 2005 |
| Priority date | — |
| Expiry date | Aug 25, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K2201/12
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electric motor comprising a rotor and a stator is disclosed. The rotor is supported on a substantially spherical bearing and is of a substantially spherical design facing the stator, which has a high degree of efficiency. The stator may have a magnetic return-path body which is made of a compressed powder material. The return-path body may be of a substantially spherical design, at least in segments facing the rotor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.