Multiple phase PCM heat insulation blanket
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United States of America Patent
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-
Apr 17, 2012
Grant Date -
May 26, 2011
app pub date -
Nov 24, 2009
filing date -
Nov 24, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A PCM heat insulation blanket (10) is positioned in a wall structure of a building for modulating the transfer of heat to and from the controlled internal temperature of the building structure. The PCM heat insulation blanket includes an array of pods (12) with one group of pods 12A containing a first PCM and a second group of pods containing a second PCM 12B having a different phase change temperature than the first group of pods. The pods with different PCMs are substantially uniformly intermixed among each other. The pods are formed of laminated sheets, each of which may include a metal foil that is vapor impermeable and tends to maintain the PCMs in the blanket at approximately the same temperature, and which also functions to reflect radiant heat away from the temperature controlled internal space of the building structure.
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Cited Art Landscape
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