ROLLER-AND-BLADE HYDRAULIC MACHINE Russian patent published in 2002 - IPC

FIELD: mechanical engineering; hydraulic motors and pumps. SUBSTANCE: proposed roller-and-blade machine has housing with working chambers, common hydraulic main, roller synchronized contactors, rotor, blades and seats for roller contactors which are located in four sectors at angle of 20 deg relative to horizontal axis of device and are provided with additional wells in form of truncated cylinders. Roller contactors are cylindrical in form and are provided with cuts for blades. Fitted in intermediate plate of housing is split bush provided with bandage for access of blades at adjustment of volume of suction liquid. Hydraulic machine is linearly connected with hydraulic motor. Output shaft of hydraulic motor has control screw proportionally moving the control spool valve. Rotor is provided with two bearings: thrust bearing and radial bearing. EFFECT: facilitated procedure; enhanced reliability at wide range of control of volume of suction liquid and speed. 2 cl, 2 dwg