Fluid flow straightening techniques
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United States of America Patent
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Apr 8, 2003
Issued Date -
N/A
app pub date -
Jul 9, 2001
filing date -
May 21, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Contra-rotating members are used for straightening a fluid flow. The members may take the form of propellers, fans or impellers. The contra-rotation eliminates tangential flow components, and most importantly, eliminates cylindrical vortices. The present invention finds specific use in applications in which toroidal vortices are employed and/or generated.
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