초록 ▼

A reduced weight housing construction for a gas generator or inflator comprises stamped aluminum diffuser and base primary pressure components and a hollow steel center-tie member that is provided at the center of the housing with the inflator initiator assembly mounted therein and which with one el

A reduced weight housing construction for a gas generator or inflator comprises stamped aluminum diffuser and base primary pressure components and a hollow steel center-tie member that is provided at the center of the housing with the inflator initiator assembly mounted therein and which with one electron beam weld provides both a structural tie for the inflator and initiator retention.

대표청구항 ▼

A housing construction for inflators using solid fuel for the generation of gas to inflate vehicle inflatable cushion restraint systems and including ignition means for igniting the solid fuel comprising: first and second structural components comprising a diffuser means and a base means, said diffu

A housing construction for inflators using solid fuel for the generation of gas to inflate vehicle inflatable cushion restraint systems and including ignition means for igniting the solid fuel comprising: first and second structural components comprising a diffuser means and a base means, said diffuser means comprising a first cylindrical aluminum shell having a first axis, said shell having a plurality of circumferentially spaced diffuser ports and a first central opening on the first axis, said base means comprising a second cylindrical aluminum shell having second axis, said second shell being sized to mate with said first shell to form an enclosure for containing the inflator solid fuel and having a second central opening on the second axis, said base means being attached to said diffuser means with the first axis of said diffuser means in alignment with the second axis of said base means and with the first and second central openings in axial alignment, an initiator housing assembly for effecting ignition of the inflator solid fuel, elongated cylindrical center-tie retaining means extending through the first and second central openings, said center-tie retaining means being made of steel and characterized in retaining its strength at elevated temperatures in a range at which the aluminum of which said first and second shells is made tends to degrade, said retaining means having an integrally formed cap means at a first end for tight engagement with said first aluminum shell at a region thereof adjacent the first central opening, said retaining means being hollow with perforated walls and having an opening at a second end, said initiator housing assembly being inserted in the opening at the second end of said retaining means, and attaching means for rigidly attaching the second end of said retaining means to said second aluminum shell and for retaining said initiator housing assembly within said steel retaining means.