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Airbag for an occupant protection device

  • US 7,614,648 B2
  • Filed: 01/30/2006
  • Issued: 11/10/2009
  • Est. Priority Date: 02/10/2005
  • Status: Expired due to Fees
First Claim
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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.

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