Pressure control valve and system
US5035357A · kind A · utility
11Cited by
1References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 14, 1990 |
| Grant date | Jul 30, 1991 |
| Priority date | — |
| Expiry date | Feb 14, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7768
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A pressure control system, including a pilot valve suitable for use therein, for providing a constant pressure from a non-compensated pump to a plurality of nozzle valves controlling flow from a manifold to nozzles associated with the valves, including a pressure control valve interposed between the pump and the manifold which is response to a control pressure created by a pilot valve which reduces manifold pressure to the control pressure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.