Heat exchanger tube
Number of patents in Portfolio can not be more than 2000
United States of America
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Apr 13, 2021
Grant Date -
May 16, 2019
app pub date -
May 17, 2017
filing date -
May 17, 2017
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The invention relates to heat exchanger tube having a longitudinal tube axis; axially parallel or helically circumferential continuous fins are formed from the tube wall on the outer tube face and/or inner tube face, and continuous primary grooves are formed between adjacent fins; the fins have at least one structured zone on the outer tube face and/or inner tube face, said structured zone being provided with a plurality of projections which project from the surface an have a height such that the projections are separated by notches. According to the invention, the projections are arranged in groups which are periodically repeated along the extension of the fin. Furthermore, at least two notches between the projections within the group have a varying notch depth in a fin.
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Cited Art Landscape
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