Equipment for storage of energy under kinetic form and recovery thereof in electric form and method of using such equipment
US4444444A · kind A · utility
79Cited by
6References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 19, 1981 |
| Grant date | Apr 24, 1984 |
| Priority date | — |
| Expiry date | Oct 19, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/16
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An uninterruptible electric power source comprising a rotor and a stator with the stator having a magnetically suspended flywheel with magnet rings for radial centering, a double electromagnet in a servoloop for restoring equilibrium including a rate sensor and lift-off logic in the servoloop encased in an evacuated vacuum enclosure. Variation in the structure of elements including the enclosure are described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.