FIELD: machine building.
SUBSTANCE: proposed machine is designed to be used as a compressor or pump. The machine consists of two coaxial pumps linked up by stepwise shaft and piston with enclosed helical groove. Aforesaid piston forms low-pressure chambers in cylinders and is linked with driving disk by draw-bars that interact with the piston groove. Stepwise chamber is arranged inside the piston to make two high-pressure working chambers. There are channels made in the housing, shaft and piston communicating with working chambers to accommodate intake and discharge valves. Proposed invention allows producing compact, two-stage, four-cylinder machine with two-way pistons that generates high-pressure working body that features minimum pulsation and reduced power input.
EFFECT: production of high-pressure machine.
3 cl, 2 dwg
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