Foam/water/air injector mixer

Details Foam/water/air injector mixer Foam/water/air injector mixer

1991-02-07

1992-05-19

Focarino, Margaret A.

Fire extinguishers

Fluid systems

Plural source, mixing in transit

169 14, A62C 3500

Patent

active

051139456

ABSTRACT:
Firefighting apparatus specially adapted to deliver pressurized foam to a target surface. The apparatus includes a unique air injection mixer in which the air discharge nozzles are oriented at oblique angles to the stream flow. The aspirated air causes the foam to expand in the mixer without loss of force through generated turbulence to increase the pumping efficiency of the apparatus.

REFERENCES:
patent: 2003184 (1935-05-01), Friedrich
patent: 2106043 (1938-01-01), Urquhart et al.
patent: 2138133 (1938-11-01), Betzler
patent: 2183561 (1939-12-01), Hamblin
patent: 2418858 (1947-04-01), Urquhart
patent: 2577451 (1951-12-01), Clemens
patent: 2769500 (1956-11-01), Clifford
patent: 2990885 (1961-07-01), Brazier
patent: 3701482 (1972-10-01), Sachnik
patent: 4981178 (1991-01-01), Bundy
patent: 4989675 (1991-02-01), Papavergos

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