Heat transfer device
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United States of America Patent
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Feb 18, 1997
Issued Date -
N/A
app pub date -
Jun 6, 1995
filing date -
Feb 1, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A heat transfer device (20) which comprises a collapsible envelope (2) including a liquid transfer (7) which, in use, is in an expanded form and includes a liquid (8) that evaporates from one wall (6) of the envelope and condenses on another wall (5), the condensed liquid being returned via the liquid transfer means (7) to the wall (6) at which evaporation took place.
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