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Curtain airbag and vehicle

  • US 7,770,918 B2
  • Filed: 09/11/2007
  • Issued: 08/10/2010
  • Est. Priority Date: 03/11/2005
  • Status: Active Grant
First Claim
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1. A side curtain airbag installed in a mounted state in a side roof frame area of a motor vehicle, the motor vehicle having an internal vehicle structure disposed adjacent to the side roof frame area, the side curtain airbag comprising:

  • at least one guide chamber in fluid communication with an inflatable protection area via a filling channel formed in the inflatable protection area, the at least one guide chamber configured such that upon inflation with inflation gas from a gas generator, the guide chamber blocks a hollow space formed at least in part by a portion of the internal vehicle structure to allow the inflatable protection area to deploy past the internal vehicle structure;

    the inflatable protection area having an upper section and one or more chambers which receive the inflation gas from the gas generator when the airbag is deployed; and

    wherein the side curtain airbag is in the mounted state with the inflatable protection area rolled up defining a roll and the upper section extends downwardly without forming a sharp fold that defines a fold line between the guide chamber and the filling channel.

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