FIELD: fluid-pressure actuators.
SUBSTANCE: control unit has pressure and drain spaces made of the ring bores that embraces the housing. The through cylindrical openings of the housing receive slide valves with rods. The cylindrical openings for slide valves and ring bores intersect to define through radial cylindrical openings. The openings has cylindrical cross-pieces whose height allows the slide valve to overlap the pressure space in the neutral position. The working passage is in communication with the drain passage.
EFFECT: simplified structure.
2 cl, 4 dwg
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