Staged pyrotechnic air bag inflator

Details Staged pyrotechnic air bag inflator Staged pyrotechnic air bag inflator

1997-10-07

1999-10-19

English, Peter C.

Land vehicles

Wheeled

Attachment

280741, 102531, B60R 2126

Patent

active

059675500

ABSTRACT:
An inflator (10) includes a housing (30) defining a chamber (50). An end-burning pyrotechnic charge (60) is in the chamber (50) in the housing (30) for, upon ignition, producing inflation fluid for inflating an inflatable device. The charge (60) has a first predetermined burn rate at a first location along the length of the chamber (50) and a second predetermined burn rate at a second location along the length of the chamber spaced apart from the first location. The second predetermined burn rate is different from the first predetermined burn rate. The inflator (10) includes an initiator (112) for igniting the charge (60), and portions (34, 90, 110) for directing inflation fluid from the chamber (50) to the inflatable device.

REFERENCES:
patent: 3711115 (1973-01-01), Lohr
patent: 3778084 (1973-12-01), Sutherland et al.
patent: 3972545 (1976-08-01), Kirchoff et al.
patent: 4998751 (1991-03-01), Paxton et al.
patent: 5397543 (1995-03-01), Anderson
patent: 5507890 (1996-04-01), Swann et al.
patent: 5529335 (1996-06-01), Bohmler

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