US PATENT SUBCLASS 417 / 95
.~.~.~ Movement of chamber cyclically controls flow of liquid into chamber for cyclic operation

Current as of: June, 1999
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417 /   HD   PUMPS

65  DF  ONE FLUID PUMPED BY CONTACT OR ENTRAINMENT WITH ANOTHER {10}
92  DF  .~ Liquid piston {6}
93  DF  .~.~ Moving contracting chamber {5}
95.~.~.~ Movement of chamber cyclically controls flow of liquid into chamber for cyclic operation

DEFINITION

Classification: 417/95

(under subclass 93) Apparatus in which the movement of the chamber operates a cyclically operated valve or other cyclic control means for flow of the body of liquid to or from the chamber.