FIELD: engines and pumps.
SUBSTANCE: hydraulic motor comprises feed water tank, feed pipeline, inlet and outlet channels, and working chamber. Working chamber is arranged in the piston and has suction and delivery valves and stationary pressure pipeline. Said pipeline is located inside working chamber and aligned therewith to incorporates aforesaid pressure valve. Seal is arranged between pressure pipeline and working chamber. There are also links, discharge pipeline and vessel-type drive. Said vessel is partially filled with water and arranged in case furnished with slide-spring mechanism. Said mechanism comprises slide vale, adjustment caps and locking springs with balls. Said balls are fitted I slide valve rod annular grooves. Hydraulic motor comprises two single-action pumps, spring-valve mechanism and links. Pressure pipes in said pumps are connected in parallel. Feed and discharge pipes are shared while fly gates are fitted in joint of pipes with inlet and outlet channels. Slide valve rod bottom part is furnished with rack engaged with toothed sector and link drive lever.
EFFECT: higher efficiency.
2 cl, 5 dwg
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