F - Mech Eng,Light,Heat,Weapons – 15 – B
Patent
F - Mech Eng,Light,Heat,Weapons
15
B
137/98
F15B 11/00 (2006.01) F15B 13/01 (2006.01) F15B 13/04 (2006.01) F15B 13/00 (2006.01)
Patent
CA 1097182
FLUID CONTROL SYSTEM WITH AUTOMATICALLY ACTUATED MOTOR PORT LOCK-OUT VALVES Abstract: A fluid control system includes a directional control valve assembly adapted for use in either an open-center or a closed center configuration. The assembly is capable of incorporating one or more control sections, each with a manual control valve having its own variable pressure-compensated flow controlling mechanism. Motor port lock-out valves (48,48) are associated with each manual control valve, and a pressure responsive logic circuit (24,50,52,82) automatically actuates the lock-out valves to hold them open when their associated manual control valve is in the power or float positions. When any manual control valve is in the float position, any other manual control valve may be operated in the power positions.
316487
Macrae & Co.
Rexroth Corporation (the)
LandOfFree
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