Tank seal
US7837054B2 · kind B2 · utility
15Cited by
8References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 23, 2005 |
| Grant date | Nov 23, 2010 |
| Priority date | — |
| Expiry date | Nov 17, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention is directed to a seal system for sealing a storage tank such as a liquid or air storage tank. In accordance with the preferred embodiment, the seal system includes a radial valve body that is disposed within a circular spring energizer, together which are disposed within a boss member. The spring energizer and the boss member are separated by a non-bonded liner. Various radial seal members are placed within the inner surface of the boss member to ensure the seal, and the seal system is installable to the top portion of a liner of a storage tank.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.