US PATENT SUBCLASS 239 / 371
.~.~.~.~ Concentrically arranged flow paths

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


239 /   HD   FLUID SPRINKLING, SPRAYING, AND DIFFUSING

302  DF  INCLUDING SUPPLY HOLDER FOR MATERIAL {15}
337  DF  .~ Fluid pressure discharge means {5}
340  DF  .~.~ Pressure reducer at holder outlet {16}
369  DF  .~.~.~ Air and liquid flow paths combine upstream of spray outlet {2}
371.~.~.~.~ Concentrically arranged flow paths

DEFINITION

Classification: 239/371

(under subclass 369) Apparatus in which the flow path for one of the fluids comprises a conduit coaxial with and surrounding the conduit for the other fluid.

SEE OR SEARCH THIS CLASS, SUBCLASS:

398, 423+ and 434.5, for other devices in which the flow paths for the two fluids are concentrically arranged for mixing.