Rotor for an electrical machine
US5793143A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 5, 1997 |
| Grant date | Aug 11, 1998 |
| Priority date | — |
| Expiry date | Aug 5, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K9/06
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention provides a rotor for an electrical machine. The rotor comprises first and second pole pieces defining an axis of rotation of the rotor. The first pole piece comprises a body and a plurality of pole fingers extending axially from the body of the first pole piece. The second pole piece comprises a body and a plurality of pole fingers extending axially from the body of the second pole piece, the pole fingers of the second pole piece intermeshed with the pole fingers of the first pole piece. The rotor also comprises a fan affixed for rotation with the first pole piece and the second pole piece, the fan having a plurality of pockets, each pocket containing a permanent magnet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.