Redundant metal-to-metal seals for use with internal valves
US8517046B2 · kind B2 · utility
7Cited by
15References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 12, 2009 |
| Grant date | Aug 27, 2013 |
| Priority date | — |
| Expiry date | Apr 11, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87394
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Redundant metal-to-metal seals for use with internal valves are described. A plug having redundant sealing functionality for use with a poppet of an internal valve includes a tapered surface to sealingly engage a seat of the poppet. Additionally, the plug includes a seal adjacent the tapered surface and disposed in a groove defined by the plug to sealingly engage the seat.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.