On demand, non-halon, fire extinguishing systems

Details On demand, non-halon, fire extinguishing systems On demand, non-halon, fire extinguishing systems

1993-06-23

1995-06-20

Geist, Gary

Compositions

Fire-extinguishing

Gas generative, chemically

252 4, 252601, 169 66, 169 12, 169 45, 169 46, 149 36, 149 46, A62D 106

Patent

active

054258863

ABSTRACT:
A system and process for on-demand generation of inert, non-flammable gases and water vapor to decrease the available atmospheric oxygen in the ullage of a hydrocarbon fuel storage tank to a level that will not support combustion of the hydrocarbon fuel, is disclosed. One, or more, of a variety of non-Halon, fire suppressor charges are selectively contained in one or more gas generating cartridges. The gas generating cartridge(s), when activated, cause release of these charges to promote rapid chemical reactions and supply inert, non-flammable gases and water vapor to the tank ullage. Activation is accomplished in aircraft by, either pilot action or, by pressure and temperature sensors contained within the hydrocarbon fuel tank.

REFERENCES:
patent: 3390029 (1968-06-01), Preckel
patent: 3719604 (1973-03-01), Prior et al.
patent: 3986560 (1976-10-01), Heath et al.
patent: 4601344 (1986-07-01), Reed, Jr. et al.
patent: 4702322 (1987-10-01), Richardson
patent: 4763731 (1988-08-01), Adams et al.
patent: 4954271 (1990-09-01), Green
patent: 5040611 (1991-08-01), Steel
patent: 5198046 (1993-03-01), Bucerius et al.
CA:80:49966, Propellants For the Transport of Liquids, Bloss, Karl H. (Balee-Institute, V.).

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