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Airbag and method for protecting an occupant of a vehicle

  • US 10,730,472 B2
  • Filed: 10/23/2018
  • Issued: 08/04/2020
  • Est. Priority Date: 10/23/2018
  • Status: Active Grant
First Claim
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1. An apparatus for helping to protect an occupant of a vehicle, comprising:

  • an airbag comprising a primary chamber and a secondary chamber, the primary chamber having a stored condition and being inflatable to a deployed condition to cover a portion of the vehicle and to help provide protection from impacts with the covered portion of the vehicle, the secondary chamber having a stored condition and being inflatable to a deployed condition to cover portions of the vehicle left uncovered by the primary chamber;

    at least one passive vent that provides fluid communication between the primary and secondary chambers;

    at least one active vent that is actuatable to provide fluid communication between the primary and secondary chambers; and

    an inflator actuatable to provide inflation fluid to the primary chamber to inflate the primary chamber, wherein the at least one passive vent directs inflation fluid from the primary chamber into the secondary chamber, and wherein the at least one active vent is actuatable to direct inflation fluid from the primary chamber to the secondary chamber.

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