Ammunition and explosives – Igniting devices and systems – Initiating devices
Patent
1991-01-22
1992-05-05
Brown, David H.
Ammunition and explosives
Igniting devices and systems
Initiating devices
280741, 422166, B60R 2128, C06C 506, F42B 310
Patent
active
051097729
ABSTRACT:
Because of the length of the airbag gas generator that is used on the passenger side of an automotive vehicle, it has been extremely difficult and expensive to provide an ignition system that would ignite solid gas generant pellets and wafers uniformly throughout the entire length thereof. In order to effect ignition of all pellets throughout the length of the gas generator combustion chamber substantially simultaneously, there is positioned in concentric relation therein an elongated BKNO.sub.3 dipped igniter tube having similarly dipped disks positioned thereon in spaced relation, transversely thereof, BKNO.sub.3 powder initiated by a squib directs fire down the igniter tube to produce a rapid flash of fire that ignites the BKNO.sub.3 dipped igniter tube and disks and surrounding gas generant pellets. The hot gas from the gas generant pellets is cooled and filtered by a screen pack assembly prior to exiting through holes in the cylindrical wall of the gas generator and directed to an airbag for inflation.
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Cunningham Donald J.
Smith Bradley W.
Brown David H.
Morton International Inc.
White Gerald K.
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