HYDRAULIC SYSTEM OIL CLEANING DEVICE Russian patent published in 2003 - IPC

FIELD: hydraulic drives. SUBSTANCE: invention is designed for cleaning oil in hydraulic systems of hydraulic drives. Proposed device contains vacuum chamber, inlet and outlet pipelines, heater and throttle installed on oil inlet pipeline, disks installed horizontally in vacuum chamber with clearance is between, and pump. Device is furnished additionally with foam suppressor arranged in upper part of vacuum chamber, cylindrical drum accommodating conical rings installed with clearance in between. Inner diameters of said rings form paraboloid of rotation. Horizontal disks are arranged in upper part of vacuum chamber and are provided with central hole. Pump consists of liquid-piston pump arranged in upper part of vacuum chamber and centrifugal pump arranged in its lower part on one shaft with cylindrical drum. EFFECT: improved efficiency of oil cleaning from water and mechanical impurities. 1 dwg