Fluid sprinkling – spraying – and diffusing – Including supplemental gas shaping or shielding jet – Adjustable gas flow directing or controlling means
Patent
1990-12-06
1992-02-25
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Including supplemental gas shaping or shielding jet
Adjustable gas flow directing or controlling means
239300, B05B 102, B05B 130
Patent
active
050906232
ABSTRACT:
An improved high volume low pressure air (HVLP) operated paint spray gun of the type having adjustable fan air and suitable for operation from a high pressure air source. The high pressure air passes from a high pressure chamber through first or second parallel calibrated orifices to supply both low pressure atomization air and low pressure fan air for controlling the shape of the spray pattern. In one embodiment, both orifices supply air to a low pressure chamber which in turn supplies both atomization air and fan air. A fan air control ring adjusts the flow of low pressure air to fan jet orifices. Rotating the fan air control ring controls both air flow through the second orifice to the low pressure chamber and air flow from the low pressure chamber to the fan jet orifices. In a second embodiment, one orifice supplies only low pressure atomization air and the other orifice supplies only low pressure fan air. A valve adjusts the flow of fan air.
REFERENCES:
patent: 1849300 (1932-03-01), Jenkins
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patent: 2060894 (1936-11-01), Potter
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patent: 2786716 (1957-03-01), Peeps
patent: 3687368 (1972-08-01), Geberth, Jr.
patent: 3930615 (1976-01-01), Farnsteiner
patent: 4531675 (1985-07-01), Muck
patent: 4744518 (1988-05-01), Toth
DeVilbiss Service Bulletin SB-2-234A, 1988, The DeVilbiss Company.
Drawing made from an Optima 802 HVLP spray gun (date unknown).
Burns Marvin D.
Fritz Alan H.
Grime Thomas E.
Kashnikow Andres
Merritt Karen B.
Ransburg Corporation
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