Heat exchanger

Details Heat exchanger Heat exchanger

2007-07-07

2010-10-19

Walberg, Teresa J (Department: 3744)

Heat exchange

Tubular structure

With discrete heat transfer means

C165S175000

Reexamination Certificate

active

07814967

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.

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