FIELD: machine building.
SUBSTANCE: invention relates to machine building and can be used in compressor equipment for high pressure gas injection. Proposed device comprises energy conversion mechanism and hydraulic control mechanism. Energy conversion mechanism includes two or more pairs of unilateral action pneumatic and hydraulic cylinders connected by rods. Rods of hydraulic cylinders are spring-loaded, and rod chambers of each of pneumatic cylinders are connected both to inlet port and to outlet port. Hydraulic mechanism control device comprises inlet port of working fluid supply under pressure, hydraulically controlled two normally open and three normally closed two-position two-way hydraulic control valves, hydraulic controlled reduction and uncontrolled check valves.
EFFECT: higher efficiency of energy conversion process and efficiency of pneumatic and hydraulic drives of machines and equipment.
1 cl, 1 dwg
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