US PATENT SUBCLASS 417 / 54
.~ Of pumping one fluid by contact or entrainment with another

Current as of: June, 1999
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417 /   HD   PUMPS

53  DF  PROCESSES {1}
54.~ Of pumping one fluid by contact or entrainment with another {1}
55  DF  .~.~> Specific motive fluid

DEFINITION

Classification: 417/54

(under subclass 53) Processes in which one fluid is pumped or motivated by direct contact or entrainment with another

fluid, the motive fluid before contact or entrainment being separate from the pump fluid.