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Fire protection arrangement for temperature-sensitive, heat-producing article

  • US 5,750,927 A
  • Filed: 08/12/1994
  • Issued: 05/12/1998
  • Est. Priority Date: 08/12/1994
  • Status: Expired due to Fees
First Claim
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1. A fire-protection arrangement having a temperature-sensitive, heat-producing article, comprising:

  • (a) an inner layer of an active endothermic material heat barrier for enclosing and contacting said temperature-sensitive, heat-producing article,(b) a multi-layered, vented, flexible, low-temperature heat-dissipating, high-temperature heat-blocking fire shield enclosing said inner layer, said fire shield comprising;

    (1) a vented heat screen of sheet materials forming an external surface constituting a fire side of said heat screen and an opposite surface constituting an internal side of said heat screen,(2) a spacer producing a vented gap between said screen and said inner layer, said spacer comprising a three-dimensional lattice layer, said spacer being located between said heat screen and said inner layer at said internal side of said heat screen, and,(3) heat-conductive means for dissipating low-temperature internal heat through said gap and said heat screen to surroundings, said heat conductive means having a plurality of heat-conducting materials forming a heat conducting path for said internal heat between said inner layer and said external surface of said heat screen,(4) heat-convective means for dissipating low temperature internal heat through said gap and said heat screen to said surroundings, said heat-convective means comprising venting means for said heat screen for allowing air to circulate, by natural convection, from said surroundings to a surface of said inner layer, through said fire shield and back to said surroundings, and(5) heat-emissive means for dissipating low temperature internal heat to said surroundings, said heat emissive means comprising a heat-emissive material forming said external surface of said heat screen.

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