Electrically operated fluid control device

An electrically operated fluid control device for controlling fluid flow under high pressure to be supplied into a fluid actuator, the control device comprising a fluid control valve assembly having a main spool to control fluid flow supplied to the fluid actuator, and an electrically operated pilot...

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Bibliographische Detailangaben
Hauptverfasser:	KUWANA, MASAYUKI, MORIYAMA, YOSHIKI
Format:	Patent
Sprache:	eng
Schlagworte:	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 GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MECHANICAL ENGINEERING SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL TAPS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	An electrically operated fluid control device for controlling fluid flow under high pressure to be supplied into a fluid actuator, the control device comprising a fluid control valve assembly having a main spool to control fluid flow supplied to the fluid actuator, and an electrically operated pilot valve assembly coaxially incorporated with the control valve assembly to operate the main spool in response to an electric signal.