Fire fighting foam delivery system

Details Fire fighting foam delivery system Fire fighting foam delivery system

1991-11-21

1992-08-11

Focarino, Margaret A.

Fire extinguishers

Fluid systems

Plural source, mixing in transit

169 52, A62C 1500, A62C 3112

Patent

active

051370948

ABSTRACT:
A foam delivery system which may be worn by a fire fighter is disclosed which comprises a foam containing vest formed of two components filled with foam concentrate in fluid communication with a foam aspirating spray nozzle. The front portion of the vest is provided with adjustable connectors or buckles so that the foam vest may adjusted to fit the fire fighter. A connector hose permits fluid communication between the two vest components. The vest components include vertically extending chambers which open to a bottom fluid chamber. The vest is provided with a fill port and a vent opening permitting the foam concentrate to be evenly distributed throughout the foam vest. A valve and hose arrangement connect the vest to the spray nozzle which is connected to a water hose. The spray nozzle includes a venturi nozzle for developing a low pressure zone within the spray nozzle for aspirating foam concentrate into the water stream.

REFERENCES:
patent: 2044687 (1936-06-01), Hatten
patent: 4688643 (1987-08-01), Carter et al.

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