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Dual type inflator device wherein light-emitting phenomenon is suppressed

  • US 6,234,523 B1
  • Filed: 12/14/1999
  • Issued: 05/22/2001
  • Est. Priority Date: 12/14/1998
  • Status: Expired due to Fees
First Claim
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1. A dual type inflator device for inflating an air bag, comprising:

  • a hybrid-type inflator having a pressurized medium contained therein, a first activating assembly for activating the hybrid-type inflator, a diffuser assembly having an outlet hole, and an after-burner tube in communication with the diffuser assembly, such that a first gas is discharged into the air bag through the after-burner tube and the diffuser assembly; and

    a pyro-type inflator attached to the diffuser assembly, and having a pyro-type gas generating material, a second activating assembly for igniting the pyro-type gas generating material, a gas outlet, and a connecting tube, having an outer diameter smaller than an inner diameter of the after-burner tube, in communication with the gas outlet, such that a second gas is discharged into the air bag through the gas outlet, the connecting tube, and outlet hole of the diffuser assembly, wherein the connecting tube extends through the diffuser assembly and at least partially into the after-burner tube to discharge the second gas directly into after-burner tube.

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