Autoliv Development Ab

Jonas H Gustafsson

Thomas Reiter

Marcus Weber

Karl-Heinz Sommer

Marc Schock

Jörg Albert

Klaus-Peter Kühne

Patrik Ivarsson

Tomas Ågren

David Jacobsson

Ulrika Fredriksson

Henrik Balague

A knee airbag module comprising a housing () and a knee airbag is described. A first section of the knee airbag following from its first end is rolled into a first direction of rotation when the knee airbag is in its stowed state. In order to optimise the knee airbag for a mounting situation in which a gap is present between the vehicle rearward end of the housing and the lower end of the instrument panel, a second section of the knee airbag following the first section is rolled in a second direction of rotation, contrariwise to the first direction rotation, such that the stowed knee airbag comprises an at least partially rolled package comprising the first section being rolled to a first roll section () and the second section being rolled to a second roll section ().

Knee airbag module and method for packing a knee airbag into a housing

An airbag for a vehicle occupant protective system comprises an inflatable cushion, a cinch tube circumventing a vent aperture disposed in the cushion, and a draw element guided in a circumventing channel of said cinch tube and being coupled to a surface of said cushion such that deployment of said cushion causes said draw element to contract said cinch tube. The airbag comprises a contraction limiting arrangement adapted to limit the contraction of said cinch tube by said draw element to a predetermined minimum free diameter d of at least 20% relative to the free diameter D of the open cinch tube.

Airbag for a vehicle occupant protective system

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Nossebro, Sweden

Jonas H Gustafsson