FIELD: general-purpose pneumatic hydraulic systems.
SUBSTANCE: pressure increasing device (10) is equipped with a pair of cylinders (12a, 12b) installed on both sides of central block (20), pistons (14a, 14b), each of which is arranged inside one of a pair of cylinders, and piston rod (26) connecting pistons. Each of cylinders has drive chamber (34a, 34b) and pressure chamber (36a, 36b) separated by pistons. Pressure increasing device is additionally equipped with switching valve (18) switching as result of bringing into contact with each of pistons, and discharge valve (98) located in fluid passage channel connecting supply port (45) and one of pair of drive chambers (34a, 34b) to each other.
EFFECT: technical result is possibility of easy device reset.
5 cl, 7 dwg
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