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1. (WO2018129164) HIGH EFFICIENCY AIRLESS SPRAY TIP DESIGN AND USE

Pub. No.:    WO/2018/129164    International Application No.:    PCT/US2018/012351
Publication Date: Fri Jul 13 01:59:59 CEST 2018 International Filing Date: Fri Jan 05 00:59:59 CET 2018
IPC: B05B 13/02
G01N 11/00
B05B 1/34
B05B 1/02
B05B 9/01
Applicants: WAGNER SPRAY TECH CORPORATION
Inventors: WENZEL, Everett
GOEHRING, Alfred
JELTSCH, Thomas
Title: HIGH EFFICIENCY AIRLESS SPRAY TIP DESIGN AND USE
Abstract:
A method of identifying a spray tip (150) from a plurality of spray tips based on a selected fluid (110) is presented. The method comprises the step of selecting the fluid (110). The fluid (110) is characterized by a set of given physical parameters (112). The method also comprises the step (220) of selecting an application pressure. The application pressure is sufficient to cause atomization of the fluid (110) through the spray tip (150). The method also comprises the step of selecting the spray tip (150) for the fluid applicator, based on characteristics of the fluid (110). The spray tip (150) is selected based on an ability to process the fluid (110). The spray tip (150) is selected such that the fluid has a viscosity on the order of 10 mPa s in the shear rate range of 10^4-10^6 s^-1 to ensure a turbulent flow downstream of a pre-orifice.