Flow matching valve and hydraulic system employing same
US4766728A · kind A · utility
19Cited by
1References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 28, 1987 |
| Grant date | Aug 30, 1988 |
| Priority date | — |
| Expiry date | Sep 28, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/2544
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The flow matching valve disclosed herein incorporates a fill port in addition to the source, load and respective drain ports employed in previous load matching valves. The inclusion of the fill port allows reconfiguration of hydraulic systems to reduce leakage and improve reliability and to eliminate auxiliary check valves in certain configurations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.