REVERSE OSMOSIS WATER TREATMENT UNIT Russian patent published in 2012 - IPC B63J1/00 B01D61/02 C02F1/44 

FIELD: machine building.

SUBSTANCE: proposed unit comprises tank, oil pump, hydraulic control valve operated by limit switches to direct oil flows into right or left chambers of larger-diameter cylinder accommodating plunger with rod rigidly jointed with those of smaller-diameter hydraulic cylinder. Precleaners are fitted in smaller-diameter hydraulic cylinder suction and delivery lines. Smaller-diameter hydraulic cylinder is connected with disk tubular filter. Additional parallel arrangement of precleaners and disk tubular filters allows detachment of filters, without stopping the operation, their repair and washing. Water treatment unit may operate as high-pressure water pump and high-pressure dispensing pump.

EFFECT: higher quality of water treatment, reduced vibration and noise.

7 cl, 6 dwg