Two stage inflator with module venting for passenger side airbag

Details Two stage inflator with module venting for passenger side airbag Two stage inflator with module venting for passenger side airbag

1994-05-04

1996-05-07

Tyson, Karin L.

Land vehicles

Wheeled

Attachment

280736, 280742, B60R 2128, B60R 2126

Patent

active

055138799

ABSTRACT:
A passive two stage passenger side inflator is disposed in a module funnel coupled to an airbag. The two stage inflator provides a gentle onset during the initial deployment to help protect out-of-position passengers. The second rapid stage is ignited passively by hot gas communication from the first stage. The inflating gases from both stages flow through a module funnel into the airbag. Openings in the module funnel permit pressure relief venting of the airbag to further protect out-of-position passengers even if the bag has not yet unfolded. Preferably the module is mounted such that the funnel vent openings direct the vented gas into the instrument panel, thus minimizing the particulate released into the passenger compartment.

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