Permanent magnet field structure for dynamoelectric machines
US3979619A · kind A · utility
62Cited by
11References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 30, 1974 |
| Grant date | Sep 7, 1976 |
| Priority date | — |
| Expiry date | Aug 30, 1994 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K23/54
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A dynamoelectric machine has a stator and a discoidal rotor with an axial air gap between them. The machine has a permanent magnet field structure wherein each flux-producing component comprises a mosaic of at least one layer of two or more unit permanent magnets per layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.