HYDRAULIC GIANT NOZZLE Russian patent published in 2001 - IPC

FIELD: treatment of article surfaces with jet of liquid. SUBSTANCE: hydraulic giant has body with two nozzle heads. The first nozzle head is located on nozzle front end. Axis of head outlet in plane of body front end face is inclined through some angle to axis of body rotation and displaced relative to rotation axis. The second nozzle head is located on body side surface. Axis of outlet of the second nozzle is inclined to body rotation axis towards its front end. At least two nozzles are made on body side surface. Nozzles are made in the form of changeable nozzle heads with external conical surface having small base of front end installed into respective mating holes of giant body. Made coaxially to conical hole in body on its side surface is cylindrical hole with diameter not less than maximum diameter of nozzle head and provided with plug and sealing collar. EFFECT: higher productivity and operating reliability of device, reduced power consumption. 3 cl, 2 dwg