Microwheel
US6534887B1 · kind B1 · utility
8Cited by
11References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 6, 2000 |
| Grant date | Mar 18, 2003 |
| Priority date | — |
| Expiry date | Dec 22, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/16
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A microwheel having stators constructed on a wafer material forming an evacuated. cavity in which a rotor is levitating to lessen friction losses. A plurality of microwheels can be integrated to serve as energy storage and/or momentum control devices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.