Patent ID: 7290797

Claim:
An inflator device for an inflatable restraint system, the inflator device comprising: a substantially cylindrical housing defining a chamber, the housing comprising: a tubular body including a center portion of reduced diameter and a center discharge opening disposed in the center portion of reduced diameter; a first end closure at a first end of the tubular body; a second end closure at a second end of the tubular body opposite the first end, wherein the chamber is a sealed chamber; a supply of pressurized stored gas disposed within the sealed chamber; the first end closure securing a first initiator in reaction initiating communication with a first supply of generant material disposed within the sealed chamber and in contact with the supply of pressurized stored gas; the second end closure securing a second initiator in reaction initiating communication with a second supply of generant material disposed within the sealed chamber and in contact with the supply of pressurized stored gas; a first rupturable initiator seal disposed between the first initiator and the first supply of generant material and a second rupturable initiator seal disposed between the second initiator and the second supply of generant material; a first generant housing joined to the first end closure, the first generant housing defining a first generant chamber containing the first supply of generant material, the first generant housing including a plurality of openings providing fluid communication between the first generant chamber and the sealed chamber, the first generant housing comprising a first perforated tube; a second generant housing joined to the second end closure, the second generant housing defining a second generant chamber containing the second supply of generant material, the second generant housing including a plurality of openings providing fluid communication between the second generant chamber and the sealed chamber, the second generant housing comprising a second perforated tube; and a diffuser connected to the tubular body portion of reduced diameter in discharge communication with the center discharge opening.