Heat exchanger and method of making thereof
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United States of America Patent
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Sep 29, 2020
Grant Date -
Jul 26, 2018
app pub date -
Mar 20, 2018
filing date -
Nov 8, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A heat exchanger includes an inner tube extending longitudinally along a central axis and having an inner surface bounding a product chamber and an outer surface having a plurality of channels disposed at circumferentially spaced intervals in alternating relationship with a plurality of fins about the circumference of the outer surface of the inner tube; and a longitudinally extending outer tube disposed coaxially about and circumscribing the inner tube in radially spaced relationship, the outer tube having an inner surface contacting the plurality of fins of the inner cylinder, the outer surface being welded to the fins at a plurality of weld locations.
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