IMPROVEMENTS IN HYDRAULIC SERVOVALVES

A servovalve has a pilot stage (100) having a piezoelectric element (150) actuating a pilot stage spool valve (196), which pilot stage spool valve comprises an output control fluid line to a main stage. Servoclapet possédant un étage pilote (100) comportant un élément piézoélectrique (150) actionnan...

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Bibliographic Details
Main Authors BROOKS, IAN, PAGETT, CHRISTOPHER, GUERRIER, PAUL
Format Patent
LanguageEnglish
French
Published 05.02.2015
Subjects
ACTUATING-FLOATS
BLASTING
COCKS
DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
DEVICES FOR VENTING OR AERATING
ENGINEERING ELEMENTS AND UNITS
FLUID-PRESSURE ACTUATORS
FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
HYDRAULICS OR PNEUMATICS IN GENERAL
LIGHTING
MECHANICAL ENGINEERING
SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL
TAPS
THERMAL INSULATION IN GENERAL
VALVES
WEAPONS
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Summary:A servovalve has a pilot stage (100) having a piezoelectric element (150) actuating a pilot stage spool valve (196), which pilot stage spool valve comprises an output control fluid line to a main stage. Servoclapet possédant un étage pilote (100) comportant un élément piézoélectrique (150) actionnant un clapet à boisseau (196) d'étage pilote, ledit clapet à boisseau d'étage pilote comprenant une conduite de fluide à régulation de sortie vers un étage principal.
Bibliography:Application Number: WO2014GB52034