US PATENT SUBCLASS 417 / 182
.~.~ Regulation

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.~.~ Regulation {7}
182.5  DF  .~.~.~> Liquid level responsive
183  DF  .~.~.~> By position of nozzle relative to combining tube {1}
185  DF  .~.~.~> With main line downstream control
186  DF  .~.~.~> By bypassing motive fluid from nozzle
187  DF  .~.~.~> By controlling motive fluid {2}
190  DF  .~.~.~> Pumped fluid inlet valve {1}
192  DF  .~.~.~> Pressure controlled overflow {1}

DEFINITION

Classification: 417/182

(under subclass 151) Apparatus including means for controlling the operation of the jet pump or the flow of motive or pumped fluid to or from the jet pump by means of a valve or throttling action.

SEE OR SEARCH THIS CLASS, SUBCLASS:

118+, for successive introduction of motive fluid into the pumped fluid with individually controlled motive fluid flows.

157, for jet pumps with regulation in which the combining tube is the flue or stack of a furnace for interrelated overflow and motive fluid valves.

162, for interrelated overflow and motive fluid valves.

179, for plural motive fluid jets or sources for a single entrainment with individual or relative control of the jets or sources.