FLUID SPRAYER Russian patent published in 2015 - IPC B05B1/34 

FIELD: process engineering.

SUBSTANCE: invention relates to sprayers. Spraying nozzle has swirling insert fitted in the nozzle case via resilient spacers and squeezed by union by threaded joint case-union. External helical cut channels and screw cut on inner surface of axial bore of said swirling insert are arranged at variable pitch. Swirling insert is composed of the stack of coaxial helical springs or cylindrical helical variable-pitch springs. Swirling insert is composed of the stack of coaxial helical springs. Direction of spring screw lines alternate the next but one.

EFFECT: higher quality of spraying and efficiency.

1 dwg