US PATENT SUBCLASS 417 / 166
.~.~.~.~ Sequential
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}
165
DF
.~.~.~ Individually controlled motive fluid flows {1}
166
.~.~.~.~ Sequential
DEFINITION
Classification: 417/166
(under subclass 165) Apparatus in which the separate and distinct valves are so related that upon actuation first one valve controls its motive fluid flow path and then the other controls its motive fluid flow path in sequence.