US PATENT SUBCLASS 202 / 215
.~.~.~ Directly heated chamber

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

81  DF  APPARATUS {4}
*  DD  .~ Types {3}
*  DD  .~.~ Autothermic {5}
215.~.~.~ Directly heated chamber {1}
216  DF  .~.~.~.~> Rotary

DEFINITION

Classification: 202/215

A chamber arranged with means for introducing hot gaseous substances into direct contact with the distilland. It may have auxiliary external heating.

SEE OR SEARCH CLASS

44, Fuel and Related Compositions,

492,.

48, Gas: Heating and Illuminating,

63, and indented subclass, and 94.

266, Metallurgical Apparatus,

186+, for a furnace having fluid feeding means associated therewith.