US PATENT SUBCLASS 202 / 141
.~.~.~.~.~.~.~ With reversible regenerators


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.~.~.~.~.~.~.~ With reversible regenerators {3}
142  DF  .~.~.~.~.~.~.~>.~ Alternatively poor and/or rich gas fuel
143  DF  .~.~.~.~.~.~.~>.~ Regenerators reversing along the system
144  DF  .~.~.~.~.~.~.~>.~ Regenerators reversing across the system


DEFINITION

Classification: 202/141

The system contains chambers usually filled with refractory material checkerwork through which hot products pass to the flues in alternating periods, whereby the incoming combustible material is heated.

SEE OR SEARCH CLASS

110, Furnaces,

230+, for a solid fuel furnace provided with coking means.

201, Distillation: Processes, Thermolytic,

15+, for a carbonizing process including burning a product of the carbonizing step and recovering heat from a product by indirect heat exchange and subclass 37, for a process in which externally produced combustion gases are passed through the retort.