Inside-out motor/alternator with high inertia smooth rotor
US4032807A · kind A · utility
47Cited by
8References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 6, 1976 |
| Grant date | Jun 28, 1977 |
| Priority date | — |
| Expiry date | Jan 6, 1996 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/16
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A multipole homopolar inductor motor/alternator for a flywheel drive includes a rotor assembly on the outside of the stator which functions as the flywheel. Locating the excitation field winding on the stator between two stacks of stator laminations enables the rotor assembly to be operated at much higher temperatures than a wound rotor, without detrimental effect on overall efficiency. The rotor assembly is also operable at much higher speeds than would be possible if the rotor were wound, resulting in apparatus better adapted to store energy mechanically.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.