Air bag inflator

Details Air bag inflator Air bag inflator

1998-05-12

2000-05-16

Dickson, Paul N.

Land vehicles

Wheeled

Attachment

137 6823, 137 6827, 220 892, B60R 2126

Patent

active

060625996

ABSTRACT:
An apparatus (10) for inflating an inflatable vehicle occupant protection device includes a container (12) having a chamber (14), and inflation fluid (16) under pressure in the chamber for inflating the inflatable device. The apparatus (10) includes an outlet opening (70) in the container (12) for directing inflation fluid (16) from the chamber (14) to the inflatable device. The apparatus (10) also includes an initiator (110) for, when ignited, producing combustion products (130). The apparatus (10) further includes a support member (30) for supporting the initiator means (110) adjacent to the chamber (14). An inlet opening (58) in the container (12) spaced apart from the outlet opening (70) directs combustion products (130) from the initiator (110) into the chamber (14). The apparatus (10) includes a single, one-piece burst disc (80) having a first portion (82) blocking the inlet opening (58) and a second portion (90) blocking the outlet opening (70). The first portion (82) of the burst disc (80) ruptures upon ignition of the initiator (110). The second portion (90) of the burst disc (80) ruptures after the rupturing of the first portion (82) to enable flow of inflation fluid (16) from the chamber (14) through the outlet opening (70) to the inflatable device.

REFERENCES:
patent: 4301938 (1981-11-01), Wood et al.
patent: 4512491 (1985-04-01), DeGood et al.
patent: 4905722 (1990-03-01), Rooker et al.
patent: 5002085 (1991-03-01), FitzGerald
patent: 5348344 (1994-09-01), Blumenthal et al.
patent: 5454592 (1995-10-01), Blumenthal et al.
patent: 5603525 (1997-02-01), Zakula
patent: 5613703 (1997-03-01), Fischer
patent: 5863066 (1999-01-01), Blumenthal
patent: 5893583 (1999-04-01), Blumenthal et al.

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