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Hybrid inflator with projectile gas release

  • US 5,709,406 A
  • Filed: 02/28/1996
  • Issued: 01/20/1998
  • Est. Priority Date: 02/28/1996
  • Status: Expired due to Fees
First Claim
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1. An adaptive hybrid airbag inflator, comprising:

  • first and second chambers, each containing a quantity of stored inflation gas, and having an exit;

    a burst disc sealing each of said exits;

    a heating device operatively associated with each of said chambers;

    a quantity of gas generating material mounted within at least one of said chambers, said material being operatively associated with said heating device of said chamber for ignition of said material;

    a projectile mounted in said one of said chambers, said projectile including a nicking prong for inducing a flaw into an associated one of said burst discs, said projectile being movable between initial and final positions, in said initial position said nicking prong being spaced from said associated burst disc, and in said final position said nicking prong being in engagement with said associated burst disc, said projectile being mounted such that ignition of said gas generating material moves said projectile from said initial to said final position.

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