Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F15
FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
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F15B
SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
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2211/00
Circuits for servomotor systems
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F15B2211/505
characterised by the type of pressure control means
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F15B2211/50509
the pressure control means controlling a pressure upstream of the pressure control means
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F15B2211/50536
using unloading valves controlling the supply pressure by diverting fluid to the return line
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