US PATENT SUBCLASS 417 / 164
.~.~.~ With interstage cooling

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}
163  DF  .~.~ Successive introduction of motive fluid {6}
164.~.~.~ With interstage cooling

DEFINITION

Classification: 417/164

(under subclass 163) Apparatus in which heat exchange apparatus is provided to remove heat from the combined motive and pumped fluid from the first entrainment before said fluid is acted upon by the second motive fluid stream.