US PATENT SUBCLASS 202 / 124
.~.~.~.~.~ With heating chamber

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}
120  DF  .~.~.~.~ Vertical {4}
124.~.~.~.~.~ With heating chamber {3}
125  DF  .~.~.~.~.~.~> Alternate reverse flow flues
126  DF  .~.~.~.~.~.~> Vertical flues
127  DF  .~.~.~.~.~.~> Circumvallate flues

DEFINITION

Classification: 202/124

The vertical retorts are inclosed in a chamber through which the heating gases pass. The chamber may have baffles to control the direction of flow of the gas.