Evaporative cooler with improved contra flow heat exchanger
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United States of America Patent
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Jul 27, 1999
Grant Date -
N/A
app pub date -
Oct 15, 1996
filing date -
Feb 20, 1995
priority date (Note) -
Expired
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Abstract
A contra flow air to air heat exchanger, and an evaporative air conditioner employing such a heat exchanger, wherein the heat exchanger (10) utilises a series of stacked plates (24), each having curved deep groove corrugations which form channels (27) with an adjacent plate which are inclined at a small angle with the channels (28) of the first plate (24), each stack of plates (24) having two inlet ducts (14, 16) and two outlet ducts (18, 20) and (19, 21).
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