Tumbler-type vehicle-mounted flywheel energy storage device with five-degree-of-freedom magnetic suspension support
US11811292B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 26, 2021 |
| Grant date | Nov 7, 2023 |
| Priority date | — |
| Expiry date | Sep 11, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/16
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A tumbler-type vehicle-mounted flywheel energy storage device with five-degree-of-freedom magnetic suspension support for an electric vehicle is provided. A flywheel is formed into a bowl by a metal flywheel rotor and a composite material ring by interference fit. The metal flywheel rotor comprises an upper-section ring, a mid-section hollow hemisphere, and a lower-section ring. The composite material ring is closely fitted outside the upper-section ring to form a bowl-shaped bowl opening part. An annular axial thrust disc protrudes inward in a radial direction from an inner wall on a bottom end of the upper-section ring. An area above the axial thrust disc is a bowl opening empty slot layer, and an area below the axial thrust disc is a sphere empty slot layer and a bowl bottom empty slot layer in sequence, which form an inner cavity of the flywheel. A supporting frame is fitted in an inner stator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.