Patent ID: 6663020
Filing Date: 2003-12-16
Classification: B05B

Abstract:
A mist generating head for generating a mist of liquid droplets distributed in a gas flow for producing a liquid film or a layer of adjacent liquid droplets on the surface of a workpiece, having a housing (66, 96), in which a liquid feed channel (130) and a gas feed channel (90) are formed, and having a nebulizing device connected to the liquid feed channel (130) and the gas feed channel (90), the nebulizing device comprising a liquid nozzle (74) connected to the pressurized liquid feed channel (130); the liquid flow through the liquid nozzle (74) being controllable by an intermittently operable valve (76, 78), the housing (66, 96) carrying a gas nozzle (102) which is connected to the gas feed channel (90), and the directional characteristics of liquid nozzle (74) and gas nozzle (102) overlapping, wherein the valve member (78) of the valve (76, 78) operates at a frequency of about 10 to about 100 Hz.