Method and appliance for fire extinguishing in enclosed compartm

Details Method and appliance for fire extinguishing in enclosed compartm Method and appliance for fire extinguishing in enclosed compartm

1978-11-13

1981-07-07

Spar, Robert J.

Fire extinguishers

Processes

Of extinguishing fire

169 57, 169 26, A62C 302

Patent

active

042769388

ABSTRACT:
The method and appliance for fire extinguishing according to the present invention are suitable for use in stationary depot premises, baggage and engineering compartments of transportation facilities, etc. According to the method of the invention, at a suitable position in a compartment, an individual container is fixed, which is fitted with a fuse 3 responding to infrared radiation and carries a fire extinguishing compound whose function is effectuated by a chemically active liquid inhibitor confined in miniature capsules made from thermoplastic material and which is distributed over the compartment after ignition of the fuse 3 by conversion from a liquid to a gas. Vapors of the gaseous inhibitor escape from the container and produce a noncombustible atmosphere in the compartment. The appliance for performing this method embodies a container made non-gastight and fitted with a thermal charge placed inside it in the form of a rod manufactured from a highly inflammable oxygen-containing substance. Raising the temperature in the compartment after ignition of the fuse will destroy the material of the miniature capsules and change the inhibitor from a liquid to a gas. This allows for quickly extinguishing a fire by producing a neutral noncombustible atmosphere in the compartment.

REFERENCES:
patent: 1453091 (1923-04-01), Delbare
patent: 2736386 (1956-02-01), Klompar
patent: 2917116 (1959-12-01), Wyant
patent: 3040815 (1962-06-01), Pambello
patent: 3687329 (1972-08-01), Baum

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