Surface valve with pressure energized seal and gear actuation
US5284320A · kind A · utility
10Cited by
13References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 12, 1992 |
| Grant date | Feb 8, 1994 |
| Priority date | — |
| Expiry date | Aug 12, 2012 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K3/08
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A surface valve with pressure energized seals and having gear actuation. The valve comprises a body with a rotating valve plate therein. The pressure energized seals provide sealing engagement between the valve plate and body. An actuation gear with a geared surface having a cam-shaped pitch line is positioned adjacent to the valve plate. An eccentrically rotated pinion gear is engaged with the actuation gear for providing rotation of the actuation gear and corresponding movement of the valve plate between open and closed positions thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.