Plug valve having a seal boss
US7451959B2 · kind B2 · utility
27Cited by
18References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 14, 2006 |
| Grant date | Nov 18, 2008 |
| Priority date | — |
| Expiry date | Jan 28, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/86871
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A fluid control valve utilizes a rotatable plug valve member mounted in a fluid passage to control the flow of fluids. Two segments are placed on each side of the plug valve member within a recess located between the plug valve member and the body of the fluid passage. The outer surface of the segments includes an elastomeric seal and metal annular boss, which acts as a stop to limit deformation of the seal when the valve is closed and under pressure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.