A driving stage of a servo valve, including a hydraulic ejector and a hydraulic receiver able to be moved relative to each other, one of the two hydraulic units being integral with a mobile unit, movable relative to a body of the servo valve through actuation means, characterized in that the actuation means comprise two piezoelectric actuators connected in series. Control device comprising a servo valve comprising such a driving stage.
Servo valve with asymmetrical redundant piezoelectric actuator
2020-05-12
Patent
Electronic Resource
English
IPC: | H01L Halbleiterbauelemente , SEMICONDUCTOR DEVICES / B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / F02D CONTROLLING COMBUSTION ENGINES , Steuern oder Regeln von Brennkraftmaschinen / F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL , Druckmittelbetriebene Systeme allgemein / F16H Getriebe , GEARING / F16K VALVES , Ventile |
SERVO VALVE WITH ASYMETRICAL REDUNDANT PIEZOELECTRIC ACTUATOR
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