FIELD: machine building.
SUBSTANCE: hydraulic machine contains a casing-stator 1, a rotor 2 made with at least two slots, in each slot hingelessly the piston-displacer 3 is installed with possibility of sliding relatively to surfaces of the rotor slots 2 and without possibility to touch the work chamber wall. Two fins on each piston-displacer 3 are permanently pressed to the work chamber wall of the casing-stator 1. Internal cylindrical surface of the pistons-displacers 3 is made with possibility of touch with edges of slots of rotor 2 made by crossing of the longitudinal cylindrical slots and cylindrical body of the rotor 2, including by means of the elastic elements 4. Sealing elements of the work chambers are the work fins of the pistons-displacers 3. Working medium inlet and outlet system is made without valves in form of cavities 7 and 8 in the body of the casing-stator 3 connected with inlet and outlet branches 5 and 6.
EFFECT: increased production effectiveness, service life, reduced irregularity of delivery, assurance of high efficiency.
1 dwg
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