Extinguishing rocket/missile solid propellants

Details Extinguishing rocket/missile solid propellants Extinguishing rocket/missile solid propellants

1990-05-14

1991-09-24

Peters, Jr., Joseph F.

Fire extinguishers

Processes

Of extinguishing fire

169 47, 169 35, A62C 300, A62C 1362

Patent

active

050506838

ABSTRACT:
A method of extinguishing burning rocket or missile solid propellant employs a device including an explosive charge which is submerged in an extinguishant agent contained in container positioned near the rocket or missile solid propellant being tested or stored. An electrically initiated detonator or heat initiated detonator initiates the explosive charge which causes the extinguishant agent to be explosively driven or propelled horizontally, almost in a solid mass, to the sites of burning propellant to achieve extinguishment within milliseconds. The composition of a preferred extinguishant agent is ethylene glycol of about 55 weight percent, water of about 25 weight percent, and foaming agent of about 20 weight percent.

REFERENCES:
patent: 370874 (1887-10-01), Johnson
patent: 551600 (1895-12-01), Oliver
patent: 1933694 (1930-04-01), Allen et al.
patent: 2450569 (1948-10-01), Thompson
patent: 2665768 (1954-01-01), Talbot
patent: 3833063 (1974-09-01), Williams
patent: 4637472 (1987-01-01), Decima
patent: 4760886 (1988-08-01), Sassier
patent: 4964469 (1990-10-01), Smith
Finnerty et al., Fast Dispensing Fire Extinguisher, U.S. Statutory Invent Registration 10/7/86.

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