Condenser tubes with additional flank structure
Number of patents in Portfolio can not be more than 2000
United States of America
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Apr 13, 2021
Grant Date -
Jan 31, 2019
app pub date -
Oct 4, 2018
filing date -
Oct 4, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
A heat exchanger tube with a tube axis, a tube wall and with ribs extending around on the tube outer side. The ribs have a rib foot, rib flanks and a rib tip, wherein the rib foot projects substantially radially from the tube wall. The rib flanks are provided with additional structural elements which are arranged laterally on the rib flank. First material projections, which extend substantially in the axial and radial direction, adjoin second material projections which extend substantially in the axial and circumferential direction of the tube, wherein the first and second material projections have a common boundary line. The axial extent of the first material projections along this boundary line is less than the axial extent of the second material projections.
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