Cell insulation blanket with phase change material, and method of making
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United States of America Patent
Stats
-
Nov 11, 2003
Grant Date -
Jul 10, 2003
app pub date -
Mar 21, 2002
filing date -
Jan 4, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Heat insulation blanket (10) includes a layer of inner cells (16) containing a phase change material, and opposed outer cells (18 and 19) containing dead air or other undisturbed gas. When placed in an attic or other insulated area, the phase change material changes phase when the outside atmospheric temperature passes the phase change temperature, resulting in a delay in the transfer of heat between the interior space and the atmosphere because of the heat required for or given up by the PCM during its change of phase. The outer plies of sheet material that form the superposed cells of the cell blanket are formed with a coating of heat reflective material that faces the interior of the cell blanket, whereby the reflective surfaces are protected against deterioration and retain their capacity to reflect radiant heat.
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Family
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Cited Art Landscape
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