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United States of America Patent
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Jun 6, 1995
Issued Date -
N/A
app pub date -
Mar 24, 1994
filing date -
May 21, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Cooling liquid flowing through cooling-liquid passages cools in heat-transmission manner an inner layer on an inner surface of an impermeable intermediate layer and is directed through a piping to an interface between the intermediate and outer layers, whereby the porous outer layer is cooled by latent heat generated by evaporation of the cooling liquid infiltrated into the porous outer layer.
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