Patent ID: 7614648
Filing Date: 2009-11-10
Classification: B60R

Abstract:
1. An airbag for an occupant protection device of a vehicle, comprising: at least two supporting chambers for providing mechanical stability in the inflated state, wherein the two supporting chambers are arranged spaced apart in a longitudinal direction of the vehicle forming a single column of supporting chambers; and at least one energy absorption chamber associated with the at least two supporting chambers; and wherein the at least one energy absorption chamber is more gas permeable than the at least two supporting chambers; wherein the at least one energy absorption chamber is configured to absorb more energy than the at least two supporting chambers during a first phase of an accident, wherein the at least two supporting chambers form a supporting plane; and wherein the at least one energy absorption chamber surrounds the single column of the at least two supporting chambers such that a first portion of the energy absorption chamber is arranged on a side of the supporting plane which faces a vehicle occupant to be protected and a second portion of the energy absorption chamber is arranged on an opposite side of the supporting plane at a side which faces away from the vehicle occupant to be protected.