Bearing-less electrostatic flywheel
US11277079B2 · kind B2 · utility
0Cited by
19References
18Claims
0Family size
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Key dates
| Filing date | Jul 24, 2018 |
| Grant date | Mar 15, 2022 |
| Priority date | — |
| Expiry date | Nov 9, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02N1/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A bearing-less flywheel both exchanges energy with a rotating flywheel using a regenerative controller via a rotating electrostatic field but also suspends the flywheel with an electrostatic field to provide a compact robust mechanism for energy storage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.