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AIRBAG INFLATOR WITH ADAPTIVE FLOW ORIFICE

  • US 20030209894A1
  • Filed: 05/10/2002
  • Published: 11/13/2003
  • Est. Priority Date: 05/10/2002
  • Status: Active Grant
First Claim
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1. In an inflator device having at least one orifice wherethrough inflation gas can pass, an improvement comprising:

  • the at least one orifice at least in part defined by a shape memory alloy material having an austenite finishing temperature (Tf), wherein the at least one orifice defines a first fluid flow through area (A1) when at a temperature less than Tf and a second fluid flow through area (A2) when at a temperature greater than Tf, where A2<

    A1.

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