Download Supplemental Restraint System

Suppl. Restraint System
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Components
The nitrogen produced in the inflator, is filtered and cooled by the filter from about
600…800° C to less than 80° C before being output to the airbag.
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To airbag
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Filter
The airbag breaks through the tear line of the airbag cover when it is inflated, with the
driver’s head contacting it when it is completely inflated. The force transmitted to the
driver is reduced by allowing gas to escape through the vent hole.
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Vent hole
As the driver strikes the airbag it begins to deflate, and is completely deflated after less
than one second from the beginning of the accident.
NOTE: The powdery substance released from the airbag during inflation is talcum powder or
a similar substance, which is used by the airbag manufacturers to keep the cushion
pliable and prevent it from sticking while it is stored.
NOTE: Powdery substances, which are remaining after airbag deployment can be toxic
residues of propellant. Thererfore always follow the corresponding safety
instructions.
Curriculum Training
02-15