Head for generating and for spraying foam, in particular for a f

Details Head for generating and for spraying foam, in particular for a f Head for generating and for spraying foam, in particular for a f

1997-08-06

1999-07-13

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Combining of separately supplied fluids

Liquid flow induces atmospheric air

239526, 239543, 239545, B05B 126, E03C 108

Patent

active

059214716

ABSTRACT:
A head for generating and spraying foam is provided. The head is particularly useful in a fire extinguisher. The head includes a nozzle for spraying foam in a praying direction, at least two conduits for supplying a fluid, and a boss. A. wall at the outlet end of each conduit is oriented approximately perpendicular to the spraying direction. The conduits each emerge into a base of the nozzle via openings. A fluid is supplied to the conduits. During travel of the fluid to the nozzle, the fluid encounters a double deflection. The first deflection is from the wall within the conduit towards the boss. The second deflection is from the boss towards the wall of the nozzle. This double deflection path of travel causes the fluid to become completely emulsified with ambient air to create a large volume of high quality spraying foam.

REFERENCES:
patent: 2289352 (1942-07-01), Ensminger
patent: 2527891 (1950-10-01), Pulver et al.
patent: 2621076 (1952-12-01), Barton
patent: 2792260 (1957-05-01), Wood
patent: 3672574 (1972-06-01), Knapp
patent: 3693884 (1972-09-01), Snodgrass et al.
patent: 3836076 (1974-09-01), Conrad et al.
patent: 5358179 (1994-10-01), Lund et al.
patent: 5382389 (1995-01-01), Goodline et al.

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