초록 ▼

A vehicle inflatable crash protection bag inflator. The inflator housing comprises two structural components which are welded together by only two welded joints to define an inner or combustion chamber containing gas generant material and an outer or diffuser chamber. An igniter tube is disposed in

A vehicle inflatable crash protection bag inflator. The inflator housing comprises two structural components which are welded together by only two welded joints to define an inner or combustion chamber containing gas generant material and an outer or diffuser chamber. An igniter tube is disposed in the combustion chamber free of attachment to one of the structural components and is press fit or otherwise suitably attached to a mounting post on the other structural component. The igniter tube is perforated and wrapped with a foil whereby the igniter material is disposed in direct contact with a squib to better ensure ignition thereof. Alternatively, the igniter tube and igniter material may be eliminated and the gas generant material disposed in direct closely surrounding relation to the squib. The housing is composed of aluminum, and the inflator has a minimum weight and size.

대표청구항 ▼

A vehicle inflatable crash protection bag inflator comprising first and second structural components, one of said first and second structural components including a first cylinder which is welded to a mating surface on the other of said structural components to define a first chamber, one of said fi

A vehicle inflatable crash protection bag inflator comprising first and second structural components, one of said first and second structural components including a first cylinder which is welded to a mating surface on the other of said structural components to define a first chamber, one of said first and second structural components including a second cylinder which is welded to a mating surface on the other of said structural components and which is concentric with and outwardly of said first cylinder to define a second chamber between said first and second cylinders, a solid gas generant composition disposed in said first chamber and operable upon ignition to produce gas, means including a perforated tubular member within said first chamber and igniter material within said tubular member for igniting said solid gas generant composition which igniting means is free of attachment to one of said structural components, said first and second structural components connected by only two welded joints, aperture means in said first cylinder for directing gas produced in said first chamber into said second chamber, means in said second chamber for filtering the gas, and outlet port means in said second cylinder for flow of the gas out of the inflator.