F - Mech Eng,Light,Heat,Weapons – 15 – B
Patent
F - Mech Eng,Light,Heat,Weapons
15
B
138/78
F15B 9/17 (2006.01) F15B 21/08 (2006.01)
Patent
CA 1090233
ABSTRACT OF THE DISCLOSURE The present invention relates to a hydraulic control for actuating hydraulic consumer devices at predetermined velocities, more-particularly cylinder-piston units and other hydraulic motors in machine tools, construction machines, and elevating devices. The control has a flow-control valve, the main control piston of which is actuated by an electrical regulating member connected, by means of a comparator, to an electrical travel-measuring system on the one hand and, on the other hand, to an adjustable, electrical, nominal-value transmitter.
293850
Beringer-Hydraulik G.m.b.h.
Swabey Ogilvy Renault
LandOfFree
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