US PATENT SUBCLASS 417 / 193
.~.~.~.~ By movable conduit or conduit wall (e.g., combining tube)

Current as of: June, 1999
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417 /   HD   PUMPS

65  DF  ONE FLUID PUMPED BY CONTACT OR ENTRAINMENT WITH ANOTHER {10}
151  DF  .~ Jet {23}
182  DF  .~.~ Regulation {7}
192  DF  .~.~.~ Pressure controlled overflow {1}
193.~.~.~.~ By movable conduit or conduit wall (e.g., combining tube)

DEFINITION

Classification: 417/193

(under subclass 192) Apparatus in which the controlling means comprises an axially movable section of the flow conduit or a movable wall portion of the conduit downstream of the entrainment area.

SEE OR SEARCH THIS CLASS, SUBCLASS:

184, for a movable combining tube which shifts in response to fluid flow and in shifting varies the axial relationship between the motive fluid nozzle and the entrance to the combining tube.