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Inflatable bag fire extinguishing system

  • US 5,501,284 A
  • Filed: 04/22/1994
  • Issued: 03/26/1996
  • Est. Priority Date: 04/22/1994
  • Status: Expired due to Fees
First Claim
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1. An apparatus for extinguishing fire in a confined compartment having a normal flow of ventilating air therethrough, said apparatus comprising:

  • an inflatable bag mounted in a collapsed condition adjacent the compartment, said bag being configured to be compatible with volume and space geometry of the compartment and having means for dispersing a gaseous or vaporizable liquid fire extinguishing agent;

    a normally deactivated source of said gaseous or vaporizable liquid fire extinguishing agent connected to said bag;

    and means operatively connected to said source to activate release of said gaseous or vaporizable liquid fire extinguishing agent for inflating the bag resulting in blockage of the normal flow of the ventilating air, displacement of at least a portion of residual air, and dispersal of said agent through the bag into the compartment to effect fire extinguishment.

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