A vehicle control surface, such as an aircraft horizontal stabilizer, is hydraulically controlled using solenoid operated valves (SOVs) controlling directional control valves and/or rate control valves with small numbers of ports, e.g. a four port three position directional control value and/or a four port two position rate control valve.
Horizontal stabilizer trim actuator systems and methods
2022-02-01
Patent
Elektronische Ressource
Englisch
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