FINNED TUBE WITH STEPPED PEAKS
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United States of America Patent
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N/A
Issued Date -
Jan 8, 2009
app pub date -
Jul 3, 2008
filing date -
Jul 6, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The current invention includes a tube with a helical fin extending from the tube's outer surface. The fins and tube are monolithic, or formed of one part, with a channel defined between adjacent fins. The fin has a crest with peaks and depressions formed in the crest. The fin peak includes an indent formed in a side surface, and the indent includes a flank and a base surface. The indent flank intersects the fin peak top, and the indent base surface intersects the fin side wall.
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