Hydraulic cylinder electronic end-position damping system - senses piston position at ends of stroke using free-field, inductive, capacitive or cavity resonator detection, and varies hydraulic supply with controllable-cross=section choke
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High speed axial piston pump - has pressed against seal of barrel and including pressure zone
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AXIAL SEAL
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Electrohydraulic control valve - has fail-safe position provided by fluid pressure acting on sliding control piston
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Electro-hydraulic drive system
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Noise assessment of vehicle pumps
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Fluid gear pump or motor
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Pumping system
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Inductive displacement sensing process and displacement sensor
