Method and applicator for producing cleaning foam

Details Method and applicator for producing cleaning foam Method and applicator for producing cleaning foam

1974-07-17

1976-08-17

Love, John J.

Fluid sprinkling, spraying, and diffusing

Combining of separately supplied fluids

And valving means controlling flow for combining

239427, 239432, B05B 700

Patent

active

039749657

ABSTRACT:
A method and applicator is disclosed for producing cleaning foam. The applicator includes a housing which defines a diffusion chamber having an inlet and an outlet end. First and second inlets are peripherally located in the housing adjacent its inlet end and are in fluid communication with the diffusion chamber. These first and second inlets include flow regulators or valves for individually adjusting the rate of flow of pressurized cleaning liquid and pressurized air are continuously introduced therethrough during operation into the diffusion chamber. Upon passing through the inlets, the pressurized liquid and air flow through a diffusion means which is contained within the diffusion chamber. As the liquid and air pass through the diffusion means, the air is mixed with and entrained in the liquid and foaming occurs. Subsequently, the foam passes into a reduction chamber disposed adjacent the outlet end of the applicator. The reduction chamber has an inwardly tapering passageway so that as the foam passes therethrough, its velocity is increased due to the affect of the taper to provide a propelling force. After exiting the reducton chamber, the foam is continuously directed outwardly of the applicator through a nozzle toward those items to be cleaned.

REFERENCES:
patent: 2358386 (1944-09-01), Doll
patent: 2511420 (1950-06-01), Thompson
patent: 2887275 (1959-05-01), Dixon, Jr. et al.
patent: 2931580 (1960-04-01), Johnson
patent: 3199790 (1965-08-01), Giesemann
patent: 3604630 (1971-09-01), Conti
patent: 3784111 (1974-01-01), Piggott

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