VOLUMETRIC HYDRAULIC MACHINE Russian patent published in 2001 - IPC

FIELD: drilling equipment. SUBSTANCE: invention is related to face motors. According to it machine is fitted with elastic shell located between stator and rotor, attached along generating lines to internal surface of stator and sealed along end faces. Component partitions are arranged along axis of hydraulic machine, their components being provided with independent links and joints. Blades are fitted along rotation path with cams and are made fast to rotor. Spaces between rotor and elastic shell are filled with oil. EFFECT: increased reliability and wear resistance of volumetric hydraulic machine operating in abrasive medium. 2 dwg