US PATENT SUBCLASS 165 / 104.21
.~.~ Utilizing change of state

Current as of: June, 1999
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165 /   HD   HEAT EXCHANGE

104.11  DF  INTERMEDIATE FLUENT HEAT EXCHANGE MATERIAL RECEIVING AND DISCHARGING HEAT {5}
104.19  DF  .~ Liquid fluent heat exchange material {4}
104.21.~.~ Utilizing change of state {3}
104.22  DF  .~.~.~> Including means to move heat exchange material in liquid state {3}
104.26  DF  .~.~.~> Utilizing capillary attraction
104.27  DF  .~.~.~> With pressurizing means or degassifying means

DEFINITION

Classification: 165/104.21

Utilizing change of state:

(under subclass 104.19) Apparatus wherein the heat of vaporization of the retained body is intentionally used to assist in heat storage or in heat transportation.