Special geometry generant bodies for automotive gas bag inflator

Details Special geometry generant bodies for automotive gas bag inflator Special geometry generant bodies for automotive gas bag inflator

1994-01-21

1996-09-03

Nelson, Peter

Ammunition and explosives

Powder form

Composite type

102289, 102292, C06B 4500

Patent

active

055513433

ABSTRACT:
A gas generant body having a plurality of alike, flat-surfaced projections equally spaced and radially equidistant about the periphery of one or both sides of the body. The spaced projections are defined by curved or arcuate walls emanating from the center of the generant body which flare outwardly to the body's perimeter, each having an angular arc length greater than the space therebetween. The outer edge of each projection is preferably contiguous with the perimeter of the body. When the projections are on both sides, as is preferred, the projections on one side are preferably in a staggered or offset relationship to those on the other side. A washer-shaped wafer disc is the most preferred overall generant body form. A stack or assembly of the multiprojection generant wafers may be formed into an array for use in a gas generator for an automobile gas bag inflator. Each generant wafer acts as its own spacer, can be assembled independent of orientation, will not mesh or interlock with adjacent wafers and does not need extra inflator hardware.

REFERENCES:
patent: 3256819 (1966-06-01), Leeper
patent: 4408534 (1983-10-01), Araki et al.
patent: 4817828 (1989-04-01), Goetz
patent: 4840025 (1989-06-01), Coffinberry
patent: 4919897 (1990-04-01), Bender et al.
patent: 5101730 (1992-04-01), Bender et al.
patent: 5367872 (1994-11-01), Lund et al.
patent: 5368329 (1994-11-01), Hock
patent: 5385099 (1995-01-01), Chase

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