Foam producing nozzle

Details Foam producing nozzle Foam producing nozzle

1989-12-20

1991-10-08

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Combining of separately supplied fluids

And valving means controlling flow for combining

2394285, 239432, 2395811, 169 15, 417161, 417179, B05B 712

Patent

active

050546880

ABSTRACT:
A nozzle assembly for aerating a pressurized liquid stream to produce a discharge of foam includes a plurality of arcuate venturi throats in a circular arrangement around the center of the nozzle together with a radial air inlet to each throat which is adjustable by relative rotation of the inlet coupling and the venturi housing. Additional turbulence may be created by a screen downstream of the venturi throats and secondary air may be admitted at that point.

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patent: 3567116 (1971-03-01), Lindlof
patent: 3701482 (1972-10-01), Sachnik
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patent: 4722670 (1988-02-01), Zweifel
patent: 4828038 (1989-05-01), Williams
patent: 4830790 (1989-05-01), Stevenson
patent: 4904182 (1990-02-01), Leshner
patent: 4925109 (1990-05-01), Flanagan et al.

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