UNMANNED UNDERWATER VEHICLE AND METHOD FOR CONTROLLING HYDRAULIC SYSTEM

An unmanned underwater vehicle (UUV) with a hydraulic system (100) for use in cold surroundings and method of controlling such hydraulic system. The hydraulic system (100) comprises a hydraulic circuit (10). One or more tools (21,22) may be hydraulically operable via the hydraulic circuit (10). A pu...

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Bibliographische Detailangaben
Hauptverfasser:	ASH, Benjamin Jeremy, ANDERSON, Alan Neill
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AIRCRAFT CARRIERS BLASTING DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR EQUIPMENT FOR DWELLING OR WORKING UNDER WATER FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS LIFE-SAVING IN WATER LIGHTING MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS MECHANICAL ENGINEERING MINE-LAYING MINE-SWEEPING OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS PERFORMING OPERATIONS RELATED EQUIPMENT SHIPS OR OTHER WATERBORNE VESSELS SUBMARINES SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	An unmanned underwater vehicle (UUV) with a hydraulic system (100) for use in cold surroundings and method of controlling such hydraulic system. The hydraulic system (100) comprises a hydraulic circuit (10). One or more tools (21,22) may be hydraulically operable via the hydraulic circuit (10). A pump (32) is configured to pressurize a flow of hydraulic fluid (F) via the hydraulic circuit (10) e.g. for actuating the tools (21,22). A valve system (40) comprises control valves (41,42,43) disposed in the hydraulic circuit (10) for controlling the flow of hydraulic fluid (F) through the hydraulic circuit (10). A controller (50) is configured to control one or more of the control valves (43) as a function of a temperature (T) of the hydraulic fluid (F).