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Hybrid inflator with bore and burst disk

  • US 5,918,900 A
  • Filed: 11/20/1996
  • Issued: 07/06/1999
  • Est. Priority Date: 11/20/1996
  • Status: Expired due to Fees
First Claim
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1. A hybrid inflator (20) comprising:

  • a pressure vessel (100) filled with pressurized inflation gas, comprisinga center body (22) having a first (24a) and a second (24b) end, an exit orifice (29) located between the first and second end, a first frangible disk (32) closing the orifice (29) and first means (80) for causing the disk to rupture and permit inflation gas to exit the orifice;

    a first cylindrical portion (50) sealingly attached to the first end and a second cylindrical portion (50) sealing attached to the second end;

    wherein the body (22) includes a generant bore (60) generally below the exit orifice and wherein the inflator includes a generant housing (86) within the generant bore (60), and quantity of propellant (84) which when activated causes the first frangible disk to open permitting inflation gas to exit the inflator into an air bag (102).

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