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Priority to JP11551772ApriorityCriticalpatent/JPS53477B2/ja
Publication of JPS4972571ApublicationCriticalpatent/JPS4972571A/ja
Publication of JPS53477B2publicationCriticalpatent/JPS53477B2/ja
F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
F15B15/20—Other details, e.g. assembly with regulating devices
F15B15/204—Control means for piston speed or actuating force without external control, e.g. control valve inside the piston
