Heat exchanger with separate helical ducts
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United States of America Patent
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-
Mar 25, 1986
Grant Date -
N/A
app pub date -
May 25, 1984
filing date -
May 28, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A heat exchanger for indirect heat transfer between fluid media includes a duct member with the space in its interior divided by a separating wall extending transversely of the duct member axis into a pair of partial spaces. Webs located within the partial spaces and extending helically around the duct member axis form a pair of ducts in each partial space. One fluid medium is circulated through one duct and the other fluid medium through the other duct. The ducts in each partial space are interconnected by passages extending through the separating wall so that the fluid media flow through both partial spaces. The ends of the duct member spaced from the separating wall are closed by a combination seal and cover plate.
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