FIELD: remote control of actuators with backup systems and different method of control.
SUBSTANCE: proposed set contains three separate hydraulic systems: following, push-button and hand ones. Each hydraulic system contains its separate units and is cut off from other by pilot-controlled check valves. In process of control of object, one of hydraulic system can be chosen, depending on operating conditions, and moreover, in case of failure of one of hydraulic systems or its unit, change over to control by other system can be provided, and if second system also fails, third one can be used.
EFFECT: improved reliability.
1 dwg
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SU1840177A1 |
Authors
Dates
2007-12-27—Published
2006-02-28—Filed