US PATENT SUBCLASS 165 / 164
FLOW PASSAGES FOR TWO CONFINED FLUIDS

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

164FLOW PASSAGES FOR TWO CONFINED FLUIDS {1}
165  DF  .~> Interdigitated plural first and plural second fluid passages {1}

DEFINITION

Classification: 165/164

(under the class definition) Apparatus in which a stream of one heat exchanging fluid is conducted in indirect heat exchange relationship with a stream of a second fluid.

SEE OR SEARCH THIS CLASS, SUBCLASS:

140+, for means providing interchange of three or more fluids.

154+, for a device in which the exchanging streams are concentric.

157+, for a device in which one of the fluid streams is in a casing enclosing the conductor of the second stream.