Generant wafer core ignition system for passenger side airbag in

Details Generant wafer core ignition system for passenger side airbag in Generant wafer core ignition system for passenger side airbag in

1996-03-15

1997-01-14

Dickson, Paul N.

Land vehicles

Wheeled

Attachment

102530, B60R 2128

Patent

active

055931812

ABSTRACT:
An airbag inflator including a stack of gas generant wafers, each having a central core opening and the stack contained in an elongated housing having an initiator at one end. The initiator is aligned with an elongated passage formed by aligned core openings of the stack of gas generant wafers contained in the housing. A thin disk extends across the elongated passage dividing the passage into smaller separate core chambers. A charge of granular pyrotechnic ignition material is contained in one of the core chambers formed between the disk and the initiator. Activation of the initiator causes ignition of the pyrotechnic material in the adjacent core chamber which in turn ignites the adjacent gas generant wafers. Ignition of the pyrotechnic ignition material and the gas generant wafers causes the thin disk to be consumed or rupture so that the gas generant wafers forming the other chamber are also ignited.

REFERENCES:
patent: 3555816 (1971-01-01), Leasure et al.
patent: 3972545 (1976-08-01), Kirchoff et al.
patent: 4593622 (1986-06-01), Fibranz
patent: 4822572 (1989-04-01), Van Der Smissen et al.
patent: 4950458 (1990-08-01), Cunningham
patent: 4998751 (1991-03-01), Paxton et al.
patent: 5345875 (1994-09-01), Anderson
patent: 5529335 (1996-06-01), Bohmler

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