US PATENT SUBCLASS 34 / 565
.~.~ Of flow of gas or vapor treating fluid

Current as of: June, 1999
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34 /   HD   DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS

523  DF  APPARATUS {40}
524  DF  .~ With automatic control {11}
565.~.~ Of flow of gas or vapor treating fluid {6}
566  DF  .~.~.~> With diverter means to alternate flow paths
567  DF  .~.~.~> Exhaust controlled by solvent concentration
568  DF  .~.~.~> Steam pressure controlled
569  DF  .~.~.~> Of circulation means
570  DF  .~.~.~> With flow control valve
571  DF  .~.~.~> With flow control dampers at outlet

DEFINITION

Classification: 34/565

Of flow of gas or vapor treating fluid:

(under subclass 524) Apparatus wherein the movement of the material treating gas or vapor is controlled.

(1) Note. Flow control includes starting flow, stopping flow, regulating rate of flow, or any other control of flow.

(2) Note. Complete the search in this class (34), subclass 562, for timing of flow, including timed reversal of flow, and subclasses 535+ and 548 for gas mixing.

SEE OR SEARCH CLASS

432, Heating,

48, for nondrying heating apparatus or apparatus having a specific heat generator with automatic means controlling the cooling, dilution, withdrawal, by-pass, or circulation of work chamber atmosphere.