US PATENT SUBCLASS 159 / 24.2
.~.~.~ Heat recovery or regeneration

Current as of: June, 1999
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159 /   HD   CONCENTRATING EVAPORATORS

22  DF  CLOSED EVAPORATING CHAMBERS {4}
23  DF  .~ Indirectly heated {4}
24.1  DF  .~.~ Regenerative {1}
24.2.~.~.~ Heat recovery or regeneration {1}
24.3  DF  .~.~.~.~> Thermocompression

DEFINITION

Classification: 159/24.2

Heat recovery or regeneration:

(under subclass 24.1) Apparatus having means capturing or using usually waster heat to preheat or reuse heat in the apparatus.