Two-layer airbag blowing up device for security system of motor vehicle, has inflator producing air flow that is directed from outer side of airbag, and opening combustible in layer of airbag

摘要

The device has an inflator (1) producing an air flow (6) that is directed from an outer side of an airbag (2), where the device is arranged at a belt retractor (3) of a belt. An opening is combustible in a layer (2a) of the airbag, where direction of the air flow and a predetermined unfolding direction of the airbag enclose an angle less than 90 degrees. A region of the inflator is enclosed by a housing (5), where the inflator is arranged opposite to the airbag in a contact-less manner. The belt is movably arranged opposite to the inflator in a constant distance.