SYSTEM AND METHOD FOR HYDRAULIC ACTUATOR LOCK VALVE

System and method for a lock valve for a hydraulic actuator. The lock valve (114) includes a valve housing (120) coupled to the hydraulic actuator. The valve housing (120) defines a chamber in selective fluid communication with a hydraulic circuit. The lock valve includes a valve body (121) received...

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Bibliographische Detailangaben
Hauptverfasser:	Hochstatter, Jeffrey, Marvin, Paul D
Format:	Patent
Sprache:	eng ; fre ; ger
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 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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Beschreibung
Zusammenfassung:	System and method for a lock valve for a hydraulic actuator. The lock valve (114) includes a valve housing (120) coupled to the hydraulic actuator. The valve housing (120) defines a chamber in selective fluid communication with a hydraulic circuit. The lock valve includes a valve body (121) received within the chamber and responsive to the hydraulic circuit to move to an unlock position in which the lock valve is unlocked. The valve body (121) includes a rod (124) having a first end and an opposite second end. The valve body includes a head (126) coupled to the rod (124) between the first end and the second end. The head (126) is responsive to the hydraulic circuit to move the valve body (121) to the unlock position, and in the unlock position, the first end of the rod (124) extends outwardly from the valve housing (120) to visually indicate the lock valve is unlocked.