Dehumidifier having two heat exchangers
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United States of America Patent
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Mar 17, 1998
Grant Date -
N/A
app pub date -
Jan 8, 1997
filing date -
Jan 16, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A pair of heat exchangers of generally cylindrical shape are coaxially coupled to the opposite ends of a cylindrical air-water separator. Each heat exchanger has a stack of heat transfer disks brazed together to define two alternating sets of intercommunicating flow paths. The first set of flow paths of the first heat exchanger receives high-temperature, high-humidity air under pressure, which is precooled by low-temperature, low-humidity air flowing to the second set of flow paths from the air-water separator. The precooled high-humidity air is directed through an internal passageway in the separator into the second heat exchanger, in which the air is cooled by heat exchange with a coolant. The cooled high-humidity air is then directed into the separator for reduction of the moisture. The low-temperature, low-humidity air is then afterheated by precooling the incoming high-temperature, high-humidity air in the first heat exchanger, for subsequent delivery to a load.
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