US PATENT SUBCLASS 432 / 48
.~ Of cooling, dilution, withdrawal, bypass or circulation of work chamber atmosphere

Current as of: June, 1999
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432 /   HD   HEATING

36  DF  HAVING CONDITION RESPONSIVE CONTROL {12}
48.~ Of cooling, dilution, withdrawal, bypass or circulation of work chamber atmosphere

DEFINITION

Classification: 432/48

(under subclass 36) Apparatus in which (1) in the feeding of inert or treating fluid is controlled or (2) the cooling, dilution, withdrawal, return, mixing, by-pass, circulation or recirculation of work chamber gas in or from a work chamber is controlled.

SEE OR SEARCH CLASS

34, Drying and Gas or Vapor Contact With Solids,

565, for the automatic control of the flow of a treating gas or vapor in a drier or in a residual gas-solid contact device.