US PATENT SUBCLASS 239 / 401
.~.~ Axially adjustable valve with fluid conducting stem

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}
399  DF  .~ Including whirler device to induce fluid rotation {5}
401.~.~ Axially adjustable valve with fluid conducting stem

DEFINITION

Classification: 239/401

(under subclass 399) Apparatus having a hollow valve stem defining a flow path for one of the fluids and which has movement generally in the direction of its length to control the amount of flow through one or more of the paths.

SEE OR SEARCH THIS CLASS, SUBCLASS:

416, 417, for valving means for mixing of plural fluids defined by relatively movable concentric flow paths.