Ordinance thermal battery

Details Ordinance thermal battery Ordinance thermal battery

1990-11-05

1993-04-27

Jordan, Charles T.

Ammunition and explosives

Igniting devices and systems

Ignition or detonation circuit

102481, F42C 1100, F42B 3920

Patent

active

052064565

ABSTRACT:
A thermal battery activated by external heat comprising an anode, e.g. cosed of a lithium-aluminum alloy, a cathode, e.g. composed of iron disulfide, and an electrolyte, e.g. a lithium chloride-potassium chloride eutectic, the electrolyte being inactive at ambient temperature but being activated by melting at a predetermined temperature when exposed to external heating. The battery can be used as a sensor or to ignite pyrotechnic and power electronic devices, in a system for reducing the hazard of ordnance exposed to detrimental heating. A particular application is the use of the battery to activate a squib to function in conjunction with one or more other components, to vent an ordnance case, preventing its explosion in a fire.

REFERENCES:
patent: 3946675 (1976-03-01), Stalfors
patent: 4013818 (1977-03-01), Askew et al.
patent: 4119038 (1978-10-01), Allen et al.
patent: 4189529 (1980-02-01), Birt et al.
patent: 4585713 (1986-04-01), Pathe et al.

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