High rate discharge (HRD) valve opening mechanism for a fire and explosion protection
US8757191B2 · kind B2 · utility
1Cited by
41References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 8, 2011 |
| Grant date | Jun 24, 2014 |
| Priority date | — |
| Expiry date | Aug 13, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7734
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A valve actuation mechanism has a plurality of links. Each link has a proximal end and distal end, and the links are disposed adjacent a valve member. The actuation mechanism also has at least one roller connected to the distal ends of at least two links. The roller contacts a surface of the valve member. In addition, at least one pivot for each link is present in the valve, wherein each pivot is positioned on the proximal end of each of the plurality of links.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.