US PATENT SUBCLASS 415 / 73
.~.~ Fluid conducting passage

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

71  DF  RUNNER HAS SPIRALLY ARRANGED BLADE OR FLUID PASSAGE {1}
72  DF  .~ Extending along runner axis (i.e., axial flow) {3}
73.~.~ Fluid conducting passage

DEFINITION

Classification: 415/73

(under subclass 72) Apparatus comprising a working fluid* conduit.