Autoliv Asp, Incorporated

Mats Bohman

Robert E Lewis

William D Staheli

Steve Taylor

An airbag inflator is provided including a housing defining a storage chamber containing contents including a supply of a gas source material in a fluid form and a propagation member contained at least in part within the storage chamber and defining a propagation chamber having a volume containing a supply of a reactive material that reacts to at least produce heat. The propagation member having a first end and a second end and including a plurality of gas exit holes. A first initiator at the first end of the propagation member is in discharge communication with the supply of reactive material and effective to initiate the reactive material and a second initiator at the second end of the propagation member is in discharge communication with the supply of reactive material and effective to initiate the reactive material. At least one of the first and second initiators is actuated to produce a supply of inflation gas for inflating an airbag. The first and second initiator devices can be actuated substantially simultaneously or the second initiator can be actuated at a selected time interval subsequent to actuation of the first initiator, thereby providing various selected rates of inflation gas production.

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Layton, UT, United States of America

Mats Bohman