Control system for a plurality of hydraulic actuators
US4492148A · kind A · utility
3Cited by
6References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 21, 1982 |
| Grant date | Jan 8, 1985 |
| Priority date | — |
| Expiry date | Dec 21, 2002 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66C3/16
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A control system for a plurality of hydraulic actuators which requires smaller number of control valves than that of actuators. In one embodiment, three control valves are arranged in parallel for controlling four hydraulic cylinders. The control valves are preferably solenoid-operated and one of control valves are used for supplying a pilot fluid pressure into a plurality of pilot-operated check valves disposed between the control valves and the hydraulic cylinders.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.