Firefighting nozzle

Details Firefighting nozzle Firefighting nozzle

1991-07-17

1993-11-16

Marmor, Charles A.

Fire extinguishers

Special applications

With specific extinguishant applying means, or means for...

239444, 239453, A62C 3105

Patent

active

052614948

ABSTRACT:
A firefighting nozzle includes a nozzle body having a having a centrally formed jet orifice at its outlet end. An annular fog spray opening concentrically surrounds the jet orifice. A jet control valve activated by a trigger is provided for allowing selective variation of the diameter of the solid stream emitted from the jet orifice. A fog control valve activated by a twist handle is provided for selectively varying the intensity of the discharge from the fog spray opening. The jet control valve and the fog control valve are operable independently of and simultaneously with one another, so that either a variable diameter solid stream or a variable fog cone, or both, can be produced at once.

REFERENCES:
patent: 556291 (1896-03-01), Turner
patent: 577616 (1897-02-01), Day
patent: 1398133 (1921-11-01), Horne
patent: 2176699 (1939-10-01), Anderson
patent: 2218411 (1940-10-01), Albach et al.
patent: 2984418 (1961-05-01), Dickmann et al.
patent: 3779318 (1973-12-01), Livingston

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