US PATENT SUBCLASS 55 / 319
.~.~ Including expansion chamber

Current as of: June, 1999
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55 /   HD   GAS SEPARATION

315  DF  PLURAL SERIAL BASICALLY DIVERSE SEPARATING MEDIA {3}
318  DF  .~ Plural stages in unitary casing {2}
319.~.~ Including expansion chamber

DEFINITION

Classification: 55/319

(under subclass 318) Apparatus comprising an enlarged section of the flow line, the enlarged section being disclosed for retarding the velocity of the gas mixture and allowing the heavier constituents to settle out therefrom.

(1) Note. See the class definition, search class notes, Classes 137 and 261, for placement of patents comprising

expansion chambers.

SEE OR SEARCH CLASS

137, Fluid Handling,

171+, for fluid separating traps or vents including the expansion chamber type and see (1) Note above.