US PATENT SUBCLASS 239 / 423
.~.~ Concurrent or concentric flow means

Current as of: June, 1999
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239 /   HD   FLUID SPRINKLING, SPRAYING, AND DIFFUSING

398  DF  COMBINING OF SEPARATELY SUPPLIED FLUIDS (I.E., PLURAL FLOW PATHS) {9}
418  DF  .~ At or beyond outlet {6}
423.~.~ Concurrent or concentric flow means {1}
424  DF  .~.~.~> Flow means of one fluid surrounds the other at outlet {1}

DEFINITION

Classification: 239/423

(under subclass 418) Apparatus in which the separately supplied streams have a single axis of confluence such that one flow path surrounds the other or in which the axes of flow are substantially parallel such that the flow conduits are substantially adjoined and contiguous.

SEE OR SEARCH THIS CLASS, SUBCLASS:

398, 434.5, for concentric or concurrent flow to other fluid path upstream of the terminal element.