Apparatus for inflating an inflatable vehicle occupant restraint

Details Apparatus for inflating an inflatable vehicle occupant restraint Apparatus for inflating an inflatable vehicle occupant restraint

1996-02-23

1997-03-25

Ellis, Christopher P.

Land vehicles

Wheeled

Attachment

280741, 280736, B60R 2126

Patent

active

056137028

ABSTRACT:
An apparatus (10) for inflating an inflatable vehicle occupant restraint, such as an air bag (12), includes a collision sensor (24), an inflator (14), and first and second initiators (18,20). The collision sensor (24) senses the occurrence and the severity of a vehicle collision. The inflator (14) contains pressurized inflation fluid and ignitable material (60) heating the inflation fluid. The first initiator (18) initiates a flow of the pressurized inflation fluid from the inflator (14). The second initiator (20) ignites the ignitable material (60). A temperature sensor (26) senses the ambient temperature of the inflator (14). A controller (22) actuates the first initiator (18) at an initial time in response to the occurrence of the vehicle collision. The controller (22) actuates the second initiator (20) after the lapse of a delay time which is determined by the controller (22) with reference to the ambient temperature and the severity of the vehicle collision.

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