US PATENT SUBCLASS 416 / 97 A
.~.~.~ Laminated or porous skin

Current as of: June, 1999
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416 /   HD   FLUID REACTION SURFACES (I.E., IMPELLERS)

95  DF  WITH HEATING, COOLING OR THERMAL INSULATION MEANS {1}
96 R  DF  .~ Changing state mass within or fluid flow through working member or carrier {2}
97 R  DF  .~.~ Flow exhausted to working fluid {1}
97 A.~.~.~ Laminated or porous skin

Unofficial Alpha Subclasses: R A

DEFINITION

Classification: 416/97

(under subclass 96) Apparatus wherein the heat exchange fluid (1) comprises working fluid* directed into the flow passage or (2) is exhausted into the working fluid.