US PATENT SUBCLASS 415 / 79
.~ Serial flow through inward and outward extending blade rows

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

77  DF  AXIAL FLOW RUNNER WITH BLADES EXTENDING RADIALLY INWARD AND OUTWARD FROM COMMON ANNULUS {2}
79.~ Serial flow through inward and outward extending blade rows

DEFINITION

Classification: 415/79

(under subclass 77) Apparatus comprising and arrangement on which the working fluid*, after passing axially though the blades* on one of said peripheries is passed to the blades* on the other of said peripheries for axial flow therethrough.