F - Mech Eng,Light,Heat,Weapons – 15 – B
Patent
F - Mech Eng,Light,Heat,Weapons
15
B
138/74
F15B 15/14 (2006.01) F15B 13/04 (2006.01) F15B 13/043 (2006.01) F16K 31/363 (2006.01) F16K 31/42 (2006.01)
Patent
CA 1050397
ABSTRACT OF THE DISCLOSURE The specification describes a simplified hydraulic regulator comprising a housing having two pressure chambers, a piston movable within the housing between the pressure chambers and biased towards a neutral position, control means responsive to the desired and the actual position of the piston for controlling the position of the piston, a source of pressurized fluid, a fluid reservoir, first and second fluid passages connecting each chamber with the source of pressurized fluid and the reservoir, respectively, a switch valve means controlled by the control means disposed in each of any two adjacent fluid passages and a throttling means disposed in each of the remaining adjacent fluid passages. When both switching valves are open or closed, the piston is prevented from moving while opening of one or the other of the switching valves will cause the piston to move in one or the other direction.
250397
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