Low pressure air atomizing spray gun

Details Low pressure air atomizing spray gun Low pressure air atomizing spray gun

1990-03-30

1992-11-24

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Including supplemental gas shaping or shielding jet

Plural sets of gas jet orifices

239297, 239599, B05B 708

Patent

active

051656051

ABSTRACT:
A low pressure atomizing spray gun is disclosed in which paint is injected from a nozzle, an opening of the nozzle is controlled by a needle valve, air is mixed with a flow of paint, air is blown from both sides after the air-paint mixture is sprayed from a spraying nozzle and it is again mixed and atomized. The nozzle is formed as circular hole with a circular outer shape, and the spray hole is designed with a lip-like shape having different dimensions in longitudinal and lateral directions and with a conical or similar shape. Lateral air holes are furnished in front of the spray hole, at opposite positions on both sides of the spray flow and function to blow the diffusing air flow toward the spray flow. A pair of longitudinal air holes is furnished to inject the secondary air obliquely from behind the spray hole and to make the air collide with the flattened spray pattern.

REFERENCES:
patent: 2004033 (1935-06-01), Buzzard et al.
patent: 2569251 (1951-09-01), Nieburg
patent: 4386739 (1983-06-01), Kwok
patent: 4657184 (1987-04-01), Weinstein
patent: 4842203 (1989-06-01), Kuhn et al.
patent: 4854504 (1989-08-01), Hedger et al.

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