Fluid sprinkling – spraying – and diffusing – Including supplemental gas shaping or shielding jet
Patent
1999-06-11
2000-12-19
Hook, James
Fluid sprinkling, spraying, and diffusing
Including supplemental gas shaping or shielding jet
239419, 2394273, 239396, B05B 128
Patent
active
061617784
ABSTRACT:
An air assisted spray nozzle assembly is provided. The spray nozzle including a nozzle body having a liquid inlet passage and a gas inlet passage. The air cap is disposed at a downstream end of the nozzle body and includes an outer body member having an inner bore extending from an open upstream end thereof. A fluid directing insert is inserted in the inner bore of the outer body member. The fluid directing insert has a fluid directing passage extending therethrough which communicates with the liquid inlet passage in the nozzle body. An impingement element is also inserted into the inner bore of the outer body member downstream from the fluid directing insert. The impingement element defines an impingement surface spaced from and opposing the fluid directing passage for deflecting a stream of liquid impinging thereon in a radially outward direction. The outer body of the air cap also includes a plurality of longitudinally extending discharge passages arranged in surrounding relation to and extending downstream from the impingement surface. Each discharge passage has a discharge orifice therein for directing fluid in an inward flow path such that the flow paths produced by the respective discharge orifices impinge on one another and atomize the liquid.
REFERENCES:
patent: 4537357 (1985-08-01), Culbertson et al.
patent: 4592506 (1986-06-01), Capes et al.
patent: 4961536 (1990-10-01), Correard
patent: 5344078 (1994-09-01), Fritz et al.
patent: 5435491 (1995-07-01), Sakuma
patent: 5549246 (1996-08-01), Kukesh
Hook James
Nguyen Dinh Q.
Spraying Systems Co.
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