US PATENT SUBCLASS 126 / 674
.~.~.~ Absorber having extended surface

Current as of: June, 1999
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126 /   HD   STOVES AND FURNACES

569  DF  SOLAR HEAT COLLECTOR {18}
634  DF  .~ With means to convey fluent medium through collector {7}
651  DF  .~.~ Conduit absorber structure {9}
674.~.~.~ Absorber having extended surface {1}
675  DF  .~.~.~.~> Corrugated surface

DEFINITION

Classification: 126/674

Absorber having extended surface:

(under subclass 651) Apparatus wherein the fluent confining means is formed so that it has a heat exchange surface area which is greater than that which would be formed by a fluent confining means having a smooth surface and occupying a similar area of the converting means.