Pressure compensated control valves
US4361169A · kind A · utility
12Cited by
8References
30Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 13, 1979 |
| Grant date | Nov 30, 1982 |
| Priority date | — |
| Expiry date | Nov 13, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87185
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A multiple section control valve bank is provided having a control valve section and an inlet section operatively connected to provide smooth proportional metering control over a wide band of operating pressures while simultaneously metering the operation of two or more fluid actuated devices from a single fluid source. This is accomplished by providing metering and logic elements in the control valve section connected to a signal chamber in the inlet section to vary the flow of fluid through the inlet section to the control section in accordance with signals from the meter and logic elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.