Inflator for inflating an inflatable vehicle occupant protection

Details Inflator for inflating an inflatable vehicle occupant protection Inflator for inflating an inflatable vehicle occupant protection

1998-04-27

2000-09-12

Dickson, Paul N.

Land vehicles

Wheeled

Attachment

280736, B60R 2126

Patent

active

061166421

ABSTRACT:
An actuatable inflator (10) for inflating an inflatable vehicle occupant protection device (12) includes a container (70) having a cup-shaped wall including a base portion (72) and a side wall portion (74). The container (70) is a one-piece structure. The base portion (72) and the side wall portion (74) at least partially define a combustion chamber (84) in the container (70). An ignitable material (110) in the combustion chamber (84), when ignited, rapidly increases the fluid pressure inside the combustion chamber. An electrically actuatable initiator (112) ignites the ignitable material (110). The base portion (72) of the cup-shaped wall includes a predefined rupture portion (90). The rupture portion (90) ruptures when the fluid pressure inside the combustion chamber (84) reaches a predetermined elevated fluid pressure level to form an orifice (120) through which the inflation fluid in the combustion chamber flows. The orifice (120) controls the rate at which the inflation fluid flows into the inflatable vehicle occupant protection device (12).

REFERENCES:
patent: 4817828 (1989-04-01), Goetz
patent: 4902036 (1990-02-01), Zander et al.
patent: 5106119 (1992-04-01), Swann et al.
patent: 5621183 (1997-04-01), Bailey
patent: 5632505 (1997-05-01), Saccone et al.
patent: 5803494 (1998-09-01), Headley
patent: 5813694 (1998-09-01), Jeong
patent: 5826904 (1998-10-01), Ellis et al.
patent: 5857699 (1999-01-01), Rink et al.

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