Compensated work port fluid valves
US4187877A · kind A · utility
15Cited by
8References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 25, 1978 |
| Grant date | Feb 12, 1980 |
| Priority date | — |
| Expiry date | Jul 25, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87169
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A compensated work port fluid valve is provided wherein a directional control valve having an inlet chamber, an outlet chamber and a work chamber is provided with a compensator valve connected to the work chamber and having a pressure sensing compensator valve controlling the flow of fluid from the work chamber to a work port to maintain constant pressure at the work port.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.