US PATENT SUBCLASS 202 / 144
.~.~.~.~.~.~.~.~ Regenerators reversing across the system

Current as of: June, 1999
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202 /   HD   DISTILLATION: APPARATUS

81  DF  APPARATUS {4}
82  DF  .~ Systems {6}
96  DF  .~.~ Thermolytic {5}
105  DF  .~.~.~ Retort {14}
133  DF  .~.~.~.~ Horizontal {6}
138  DF  .~.~.~.~.~ With flues {2}
139  DF  .~.~.~.~.~.~ Vertical {2}
141  DF  .~.~.~.~.~.~.~ With reversible regenerators {3}
144.~.~.~.~.~.~.~.~ Regenerators reversing across the system

DEFINITION

Classification: 202/144

The regenerators may be in groups and stand parallel or transverse to the axis of the system, but in either case their reversal occurs across that axis.