US PATENT SUBCLASS 415 / 100
.~.~.~ Serially arranged in working fluid path

Current as of: June, 1999
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415 /   HD   ROTARY KINETIC FLUID MOTORS OR PUMPS

93  DF  AXIALLY OPPOSED WORKING FLUID PATHS TO OR FROM RUNNER (E.G., END BALANCE, ETC.) {4}
97  DF  .~ Pump impeller means {2}
99  DF  .~.~ Plural axially spaced impellers {1}
100.~.~.~ Serially arranged in working fluid path

DEFINITION

Classification: 415/100

(under subclass 99) Apparatus in which the fluid is directed in succession through two or more runner* members.