ROLLER-AND-BLADE HYDRAULIC MACHINE Russian patent published in 2000 - IPC

FIELD: mechanical engineering, oil, chemical and other industries; hydraulic machines and pumps. SUBSTANCE: proposed roller-and-blade machine has housing accommodating rotor with blades, rollers-dividers and large and small chambers between rollers. Rotor is mechanically connected with rollers-dividers through synchronizing gears. Rotor is made in form of cylindrical shell with blades on inner surface and end face cover press- fitted on shaft of hydraulic machine. Other end of shell is secured on bearing. Core of sectional design is arranged inside shell. Core is fastened on end face cover of hydraulic machine. Recesses are made on core for rollers-dividers, bearings, synchronizing gear shafts and inlet and outlet channels of for working liquid. Large and small chambers are formed between core and inner wall of shell and rollers-dividers. EFFECT: reduced overall dimensions and mass of hydraulic machine. 2 dwg