FIELD: mechanical engineering; motor-wheels, hydraulic motors built in machine drums or used as pumps. SUBSTANCE: hydraulic machine has two chambers with reduced number of closers 9. Rotor revolves on fixed axle 13 provided with collapsible disks 16. Timing gears and seals are arranged in working cavities. Provision is made for correcting clearances and for hydraulically releasing surfaces of parts held under pressure. EFFECT: reduced diameter and improved reliability of hydraulic machine. 3 cl, 2 dwg
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