US PATENT SUBCLASS 62 / 268
VACUUMIZED CHAMBER WITH OPEN VAPOR OR GAS OUTLET

Current as of: June, 1999
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62 /   HD   REFRIGERATION

268VACUUMIZED CHAMBER WITH OPEN VAPOR OR GAS OUTLET {2}
269  DF  .~> Including sorbent agent
270  DF  .~> System, i.e., multiple treating or fluid handling means

DEFINITION

Classification: 62/268

(under the class definition) Apparatus in which a chamber is placed under a subatmospheric temperature by removing of vapor of a liquid within the chamber.

SEE OR SEARCH THIS CLASS, SUBCLASS:

100, for related processes.

123, for means separating a solidified constituent of a liquid mixture.

169+, for similar apparatus with automatic control.

SEE OR SEARCH CLASS

34, Drying and Gas or Vapor Contact With Solids,

75, 92, and 402+ for similar apparatus and related processes where the primary function is that of drying.

159, Concentrating Evaporators,

22+, for a closed chamber type evaporator.

417, Pumps,

151+, for jet type pump, per se.