Continuous mixing device, particulary suitable for preparing aqu

Fire extinguishers – Fluid systems – Plural source – mixing in transit

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169 5, 169 15, A62C 3516

Patent

active

048998257

ABSTRACT:
A device for continuously delivering a proportionately constant fire-fighting solution which comprises an extinguisher foam mixed with variable flow rates of fire fighting water. The device comprises a motor, which is a volumetric screw pump driven in reverse by the hydraulic pressure of the fire fighting water network. This hydraulic motor is mechanically connected to one or more volumetric pumps which proportionally meter the fire fighting foam extinguisher liquid into the network water.

REFERENCES:
patent: 2009622 (1935-07-01), Kennedy
patent: 2601849 (1952-07-01), Lee II
patent: 2696266 (1954-12-01), Tuve
patent: 3053842 (1962-09-01), Meissner
patent: 3115158 (1963-12-01), Sheppard
patent: 4448256 (1984-05-01), Eberhardt

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