Control device for at least one hydraulically operated load

Details Control device for at least one hydraulically operated load Control device for at least one hydraulically operated load

F - Mech Eng,Light,Heat,Weapons

15

B

138/79

F15B 13/06 (2006.01) F15B 11/16 (2006.01)

Patent

CA 1275023

Abstract A control device for at least one hydraulically operated load (1) comprises a control valve (3, 103) in series with a compensating valve (5, 105). The latter is connected to a first section (10, 110) of a sensing conduit (11). Further, there is a pump pressure regulator (18) connected to a second section (17) of the pump pressure conduit. A separating comparator (25) is inserted in this second sensing conduit section (17). The separating comparator to controls a pressure dividing valve (26) disposed between the pump conduit (P) and vessel (22) in series with a throttle (21), that the pressure on both sides of the separating comparator (25) is substantially equal. The pump pressure regulator (18) is connected between the throttle (21) and pressure distributing valve (26). In this way, the proportionality of the control valve (3, 103) is improved.

507088

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