Flywheel system using wire-wound rotor
US9362800B2 · kind B2 · utility
4Cited by
26References
52Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 31, 2011 |
| Grant date | Jun 7, 2016 |
| Priority date | — |
| Expiry date | Oct 29, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T74/2119
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A flywheel is described having a rotor constructed of wire wound onto a central form. The wire is prestressed, thus mitigating stresses that occur during operation. In another aspect, the flywheel incorporates a low-loss motor using electrically non-conducting permanent magnets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.