SPRAYER Russian patent published in 2003 - IPC

FIELD: agricultural equipment; chemicals sprayers. SUBSTANCE: proposed sprayer has disk made in form of plate and provided with hub with inner and outer surfaces; it is cylindrical in upper portion and is provided with taper bulge in center portion. Supply branch pipe is provided with pipe union and is mounted perpendicularly relative to taper bulge of hub; guide sleeve is mounted on hub above disk forming drum and stepped passage for supply of liquid to be sprayed to its knife-edge. Axial-flow fan is mounted on outer cylindrical surface of hub and is fastened with guide sleeve and disk by means of screws; fan impeller is located beyond boundaries of guide sleeve. Ring is secured to protective shield mounted on housing by means of spokes. Proposed sprayer excludes drift of finely-dispersed drops of liquid beyond jet. EFFECT: simplified construction; enhanced maintainability under field conditions. 3 cl, 2 dwg