US PATENT SUBCLASS 417 / 157
.~.~.~ 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}
155  DF  .~.~ Flue type {2}
157.~.~.~ Regulation

DEFINITION

Classification: 417/157

(under subclass 155) 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.