US PATENT SUBCLASS 165 / 104.28
.~.~ Including means to move heat exchange material

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
104.28.~.~ Including means to move heat exchange material {2}
104.29  DF  .~.~.~> Utilizing formed bubble
104.31  DF  .~.~.~> By application of mechanical energy

DEFINITION

Classification: 165/104.28

Including means to move heat exchange material:

(under subclass 104.19) Apparatus provided with means to act to force the retained body of material to flow.

(1) Note. Structure utilizing gravity or capillary attraction is not considered to be provided with means to move the retained body of material.

(2) Note. A thermosiphon for causing the material to flow is considered to be a means for moving heat exchange material.

SEE OR SEARCH THIS CLASS, SUBCLASS:

104.21, for similar apparatus wherein liquid heat exchange material moves by the effect of gravity.

104.22, for similar apparatus wherein liquid heat exchange material is moved, which material changes state during operation of the apparatus.

104.26, for similar apparatus wherein liquid heat exchange material moves by capillary attraction.