Patent ID: 6955240
Filing Date: 2005-10-18
Classification: B60R

Abstract:
1. A dual stage air bag module for a passenger seat, comprising: an air cushion; a housing that receives the air cushion; a first inflator mounted in one lateral-wall surface within the housing; a second inflator mounted in another lateral-wall surface of the housing, the second inflator positioned diagonally with respect to the first inflator; a cushion holder mounted in the air cushion that fixes the air cushion to the housing; a retainer coupled with the housing, that holds the air cushion on the first and second inflators; and a control unit electrically-connected with the first and second inflators, that sequentially controls operations of the first and second inflators, wherein each of the first and second inflators are configured for a driver seat air bag module installed in a steering wheel, comprises an upper case having a plurality of gas discharging holes formed in an outer surface thereof, and a lower case coupled to a lower portion of the upper case, and each of the first and second inflators comprises gunpowder that explodes by an external ignition signal in an inner space thereof, an igniter that ignites, in response to the explosion of the gunpowder, and a gas forming agent which is burned by heat generated from combustion of the igniter therein.