Pyrotechnic inflator for a vehicular airbag system

Details Pyrotechnic inflator for a vehicular airbag system Pyrotechnic inflator for a vehicular airbag system

2005-08-30

2005-08-30

English, Peter C. (Department: 3616)

Land vehicles

Wheeled

Attachment

C280S741000, C102S531000

Reexamination Certificate

active

06935655

ABSTRACT:
A pyrotechnic inflator for an airbag module is disclosed. The pyrotechnic inflator may have a generally tubular housing that contains an initiator, a baffle, and a quantity of inflation gas generant. The generant is disposed in a compartment defined by the baffle. The baffle has a passageway with a first end and a second end. Direct fluid communication between the first and second ends is restricted by a blockage within the passageway. Upon receipt of an activation signal, the initiator directs initiation gas into the first end. The initiation gas may exit the first end through a plurality of first end holes to reach and ignite the generant with or without requiring any intermediate igniter material. The generant combusts to produce inflation gas, which enters the second end of the passageway through a plurality of second end holes. The inflation gas exits the inflator to inflate a cushion.

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