Patent ID: 6095560
Filing Date: 2000-08-01
Classification: B60R

Abstract:
Adaptive pyrotechnic gas generator (1) intended to inflate an airbag that can be used in automotive safety, comprising a body (2) containing at least two combustion chambers (5, 6) separated from one another by an impervious partition (4), each of these two combustion chambers (5, 6) having at least one pyrotechnic charge (7, 8), an independent ignition system (41, 42) and being equipped with gas-ejection nozzles (29, 30) which are initially closed off, characterized in that the generator (1) comprises a device for neutralizing the pyrotechnic charges (7, 8) of these two combustion chambers (5, 6) following operational inflation of the airbag, this neutralization device comprising a means for providing communication between the two combustion chambers (5, 6) and a means of initiating one of the two pyrotechnic charges (7, 8), these two means being triggered by the firing of one of the two pyrotechnic charges (7, 8).