Emergency shut-off signal generator for a valve assembly
US8978682B2 · kind B2 · utility
0Cited by
2References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 16, 2012 |
| Grant date | Mar 17, 2015 |
| Priority date | — |
| Expiry date | Apr 17, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87917
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A control system includes a first valve configured to block a fluid flow between a first section of a flow line and a second section of the flow line in response to a first emergency shut-off signal of a first signal type. A second valve is configured to block the second section of the flow line and a third section of the flow line in response to a second emergency shut-off signal of a second signal type, wherein the first signal type differs from the second signal type.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.