Impingement foamer

Details Impingement foamer Impingement foamer

1985-08-07

1987-03-03

Peters, Jr., Joseph F.

Fluid sprinkling, spraying, and diffusing

Combining of separately supplied fluids

Liquid flow induces atmospheric air

239432, 239343, B05B 730

Patent

active

046469737

ABSTRACT:
A process and apparatus for producing a thick foam from a spray of liquid and air. An interrupter is located in the path of a controlled portion of the outer periphery of a continuous stream of liquid. By precisely controlling the amount of peripheral flow impinged upon by the interrupter in the stream periphery, turbulence is created with consequent pressure drop and ingress of counter flowing ambient air which mixes with and causes foaming of the liquid constituent. The apparatus produces relatively large liquid particulate in air suspension. Such particulate is not readily inhaled or sensed by olfactory faculties. The dense, low velocity foaming spray which is produced adheres to target surfaces and remains in suspension eliminating dripping or running liquid.

REFERENCES:
patent: 1192901 (1916-08-01), Irish
patent: 2395621 (1946-02-01), Funke
patent: 2774583 (1956-12-01), Haftke
patent: 2826399 (1958-03-01), Eriksson
patent: 3361412 (1968-01-01), Cole III
patent: 3561536 (1971-02-01), Henshaw
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patent: 3784111 (1974-01-01), Piggott
patent: 3946947 (1976-03-01), Schneider
patent: 4013228 (1977-03-01), Schneider
patent: 4219159 (1980-08-01), Wesner
patent: 4350298 (1982-09-01), Tada

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