Energy storage device, actuator and method
US8549986B2 · kind B2 · utility
0Cited by
4References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 6, 2010 |
| Grant date | Oct 8, 2013 |
| Priority date | — |
| Expiry date | Aug 8, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/16
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An energy storage device a first member and a second member that is slidably engaged with the first member. There are at least two seals that slidably seal the first member to the second member and define a cavity therebetween that varies in volume with relative movement between the first member and the second member. The first member is biased toward the second member in a direction that resisted increases in volume of the cavity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.