B - Operations – Transporting – 05 – B
Patent
B - Operations, Transporting
05
B
32/17.1
B05B 5/03 (2006.01) B05B 7/08 (2006.01) B05B 7/06 (2006.01)
Patent
CA 1199488
NOZZLE ASSEMBLY FOR ELECTROSTATIC SPRAY GUNS Abstract of the Disclosure An air atomizing nozzle assembly for electrostatic spray guns is disclosed. The nozzle assembly includes a fluid tip through which liquid coating material is emitted, an air cap having opening through which pressurized air passes to atomize the liquid coating material emitted from the nozzle and having a pair of opposed air horns through which pressurized air passes to shape the atomized coating material into a flat fan spray pattern, and a retaining ring for securing the air cap to the gun barrel and fluid tip. An annular diffuser is located within an internal chamber in the nozzle assembly which receives the pressurized fan-shaping air from a passageway passing through the barrel of the gun, redirects it, and equalizes the flow of the fan-shaping air to the opposed air horns. The present invention is particularly useful in applications having low liquid coating material flow rates on the order of less than about 3 fluid ounces of material per minute.
445093
Beam Harold D.
Mcghee Edward C.
Corporation Nordson
Macrae & Co.
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