Fluid sprinkling – spraying – and diffusing – Electrostatic type – Plural spray devices
Patent
1983-05-13
1985-10-08
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Electrostatic type
Plural spray devices
239691, 239707, B05B 502
Patent
active
045455368
ABSTRACT:
Apparatus is disclosed for spraying electrostatically charged particles of paint toward a workpiece. Increased paint throughput is achieved over prior art devices by employing enlarged paint discharge passages and two different air streams. One air stream, which is adjustable in flow, serves to atomize the paint into substantially uniform, very tiny droplets and the other air stream, which is also adjustable in flow, directs the atomized paint toward the workpiece. Safety is increased by positioning the paint charging electrode within a paint delivery passage located relatively far upstream from the paint nozzle. A second electrode in the nozzle is "floating" in electrical potential and serves to supply additional electrical charge to the very fine paint particles as they issue from the nozzle. In this manner, the impedance of the paint itself and the "floating" electrode serve to reduce the risk of sparking between the paint spraying apparatus and the workpiece.
REFERENCES:
patent: 2784350 (1957-03-01), Sedlacsik
patent: 2966310 (1960-12-01), Sedlacsik
patent: 3351286 (1967-11-01), Tholome
patent: 3408985 (1968-11-01), Sedlacsik, Jr.
patent: 3578997 (1969-10-01), Felici
patent: 3599038 (1971-08-01), Skidmore
Kashnikow Andres
Weldon Kevin Patrick
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