CORRUGATED TUBE-IN-TUBE HEAT EXCHANGERS
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United States of America Patent
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Issued Date -
Jun 11, 2020
app pub date -
Jul 7, 2017
filing date -
Jul 13, 2016
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Abstract
A heat exchanger has an outer tube and an inner tube extending through a lumen of the outer tube. The outer tube has a spiral corrugation and an inner surface of the corrugation contacts or is in proximity to an exterior surface of the inner tube to define a spiral annular channel in an annular space between the inner tube and outer tube.
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