Browse Publications Technical Papers 2011-26-0098

Optimization of the Passenger Airbag Module to Meet Interior Fittings Compliance Requirements of ECE R21 2011-26-0098

Airbags play a vital role in occupant protection during a crash event. Apart from the crash test the airbags have to additionally meet the requirements of the ECE R 12 headform impact test with Driver's Airbag (DAB) located in the steering wheel being deployed and the ECE R21 headform impact test for Passenger Airbag (PAB) in undeployed condition. Improper location of the PAB module below the Instrument Panel, the design of the air bag housing and the Instrument Panel are some of the factors that could lead to non compliance of the components of the uninflated PAB.
The paper deals with the investigation conducted for compliance of the PAB to ECE R 21 with the uninflated air bag in meeting the requirements of 80 g at 19.3 km/h by proper location, changes to the design of the PAB cover, air bag housing brackets, etc. A series of pendulum impact tests with different configurations gave a choice of solutions which the designer could adopt in meeting the compliance requirements of the PAB to the interior fittings Regulation ECE R21.


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