High efficiency electric generator for mechanically powered electronic equipment
US6140730A · kind A · utility
32Cited by
9References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 16, 1998 |
| Grant date | Oct 31, 2000 |
| Priority date | — |
| Expiry date | Nov 16, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K21/44
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A generator for producing electricity at high efficiency from mechanical energy includes a housing, a shaft mounted in the housing, an electrical coil positioned about the shaft and an annular, anisotropic magnet positioned about the shaft adjacent the coil. The magnet has a plurality of circumferentially distributed, alternating magnetic poles. Ferromagnetic flux plates are operatively associated with the magnet and the coil for establishing an alternating magnetic field through the coil as a function of rotation of at least one of the magnets, the coil and the flux plates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.