US PATENT SUBCLASS 165 / 275
.~ Control of amount of conductive gas in confined space between heat source and heat sink


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

200  DF  WITH TIMER, PROGRAMMER, TIME DELAY, OR CONDITION RESPONSIVE CONTROL {14}
275.~ Control of amount of conductive gas in confined space between heat source and heat sink


DEFINITION

Classification: 165/275

Control of amount of conductive gas in confined space between heat source and heat sink:

(under subclass 200) Subject matter wherein said heat transfer apparatus comprises a substantially sealed cavity containing a gas which does not change phase during operation of said apparatus, heat being conducted through said gas from one portion of said cavity to a second portion of said cavity; and further including means to control the quantity of said gas within said cavity.

SEE OR SEARCH THIS CLASS, SUBCLASS:

104.32, for heat exchange apparatus having intermediate liquid fluent heat exchange material with pressurizing or degassifying means; subclasses 281+ for heat exchange apparatus having fluid pressure responsive or control; subclass 917 for heat exchange apparatus having pressurization and/or degassification.