Method and device for controlling a hydraulically actuated drive unit of a valve
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Method and device for indicating the position of hydraulically actuated valves
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Device for concentrating a liquid by means of a differential piston pump
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Method and device for indicating the position of hydraulically actuated valves
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Control device for operation of radial piston motor has second sensor to detect of rotation of shaft, both sensors being connected to calculating unit
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Radial piston motor
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Rack and pinion gear has locking section on gear rack next to enlarged tooth, and tooth on pinion comes into contact with locking section if another tooth on pinion comes into contact with enlarged tooth
