US PATENT SUBCLASS 174 / 15.2
.~.~ By heat pipe

Current as of: June, 1999
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174 /   HD   ELECTRICITY: CONDUCTORS AND INSULATORS

8  DF  WITH FLUIDS OR VACUUM {12}
15.1  DF  .~ With cooling or fluid feeding, circulating or distributing {6}
15.2.~.~ By heat pipe

DEFINITION

Classification: 174/15.2

By heat pipe:

(under subclass 15.1) Subject matter wherein cooling is provided by means of a heat-transfer device consisting of a sealed metal tube with an inner lining or wicklike capillary material and a small amount of fluid which undergoes a change of state.

SEE OR SEARCH CLASS

165, Heat Exchange,

104.11+, for structure of heat pipes, per se.