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Liquid propellant inflation apparatus for deploying an inflatable member

  • US 5,713,596 A
  • Filed: 07/01/1996
  • Issued: 02/03/1998
  • Est. Priority Date: 07/01/1996
  • Status: Expired due to Term
First Claim
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1. Apparatus for deploying an inflatable member, comprising:

  • a housing including a vent passage in fluid flow communication with the inflatable member installed to the housing;

    a combustion chamber in the housing;

    an initiator positioned in the housing to generate, upon activation, high temperature gas increasing fluid pressure in the combustion chamber;

    a reservoir in the housing containing a liquid propellant;

    a fluid passage connecting the liquid propellant reservoir to the combustion chamber; and

    a hydraulic actuator responsive to the fluid pressure in the combustion chamber for continuously pressurizing the liquid propellant in the reservoir to higher magnitudes than the fluid pressure in the combustion chamber, whereby to achieve sustained injection of the liquid propellant into the combustion chamber from the reservoir for ignition and combustion to generate combustion gases that flow through the vent passage to deploy the inflatable member.

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