Air bag inflator

Details Air bag inflator Air bag inflator

1994-12-06

1997-01-07

Culbreth, Eric D.

Land vehicles

Wheeled

Attachment

280736, 280740, 280741, B60R 2116

Patent

active

055909051

ABSTRACT:
An augment inflator (10) includes a rupture disk (140) covering an annular outlet opening (133) in a housing (40). A piston (150) is welded in the housing (40). Upon actuation of the inflator (10), gas generating material (220) ignites in a combustion chamber (158) in the piston (150). The pressure increases in the combustion chamber (158) until a stress riser (190) on the piston (150) ruptures. A severed portion of the piston (150) moves and a circular cutting edge (182) on the piston shears a circular opening in the rupture disk (140).

REFERENCES:
patent: 3797853 (1974-03-01), Grosch et al.
patent: 3960390 (1976-06-01), Goetz
patent: 3966226 (1976-06-01), Roth
patent: 5076607 (1991-12-01), Woods et al.
patent: 5184846 (1993-02-01), Goetz
patent: 5226668 (1993-07-01), Delonge-Immik et al.
patent: 5242194 (1993-09-01), Popek
patent: 5301978 (1994-04-01), Munzel et al.
patent: 5344186 (1994-09-01), Bergerson et al.
patent: 5378018 (1995-01-01), Ketterer

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