Heat exchanger
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 19, 2010
Issued Date -
N/A
app pub date -
Jul 7, 2007
filing date -
Jan 3, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A heat exchanger having an active surface over which a fluid flows to affect an exchange of heat between the active surface and the fluid. In some embodiments, the active surface includes a logarithmic spiral wherein the radius of the logarithmic spiral measured at equiangular radii unfolds at a constant order of growth. Further embodiments exhibit an active surface conforming to the internal or external surface of particular classes or genera of shells.
First Claim
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