Valving system and method of selectively halting injection of chemicals
US8857454B2 · kind B2 · utility
0Cited by
6References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 7, 2011 |
| Grant date | Oct 14, 2014 |
| Priority date | — |
| Expiry date | Sep 14, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87096
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A valving system includes, a plurality of flow control valves, and a plurality of chemical control valves in operable communication with a plurality of the plurality of flow control valves such that each of the plurality of chemical control valves is actuated between closed and open positions when the flow control valve it is in operable communication with is actuated between closed or open positions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.