Patent ID: 6851374

Claim:
An inflator comprising: a housing connected on one end by a first endcap and connected on an opposite end by a second endcap; a first igniter having ignition material that burns upon actuation of the first igniter by an electrical signal, the first igniter being held at the first endcap; a first autoignition material being in intimate contact with the first igniter whereby the first autoignition material is ignited from the burning of the ignition material of the first igniter; a first gas generant for producing inflation gas for inflating an airbag, the first gas generant being separated from direct contact with the first endcap, the second endcap, and the housing; a first enhancer for igniting the first gas generant, wherein the burning of the first autoignition material ignites the first enhancer which then ignites the first gas generant; and a first enhancer retainer for retaining the first enhancer, the first enhancer retainer being spaced from direct contact with the first endcap, the enhancer retainer comprises an enhancer recess for holding the first enhancer, a connection portion and an annular mounting portion arranged substantially parallel with the first endcap, wherein the connection portion connects the enhancer recess to the mounting portion, the connection portion has a plurality of first enhancer retainer holes for passage of hot gas from first enhancer to the first gas generant, the plurality of first enhancer retainer holes and the enhancer recess being spaced from the first endcap and covered by a first burst foil located between the first enhancer retainer and the first endcap.