U-shaped heat exchanger tube with a concavity formed into its return bend
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United States of America Patent
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N/A
Issued Date -
Sep 27, 2007
app pub date -
Mar 24, 2006
filing date -
Mar 24, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A heat exchanger tube includes a tube body that forms a hollow passageway and has a U-shaped tube section defining a return bend and a pair of straight tube sections. Respective ones of the straight tube sections are connected to the U-shaped section at respective connection locations and extend generally parallel to one another to define an internal space disposed between and among the U-shaped tube section and the straight tube sections connected to the U-shaped tube section. The U-shaped tube section has a concavity formed thereinto with the concavity defining a portion of the internal space. A heat exchanger serpentine tube includes a plurality of straight tube sections arranged in a plurality of generally parallel rows and disposed in a common plane and a plurality of U-shaped tube sections connected to the plurality of straight tube sections to form a serpentine configuration.
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