US PATENT SUBCLASS 415 / 85
.~ With means for reversing runner rotation

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

83  DF  RUNNER WITH ANNULAR BLADE ROWS OR FLUID CHANNELS SPACED ON COMMON RADIAL PLANE {3}
85.~ With means for reversing runner rotation

DEFINITION

Classification: 415/85

(under subclass 83) Apparatus having a means by which the direction or rotation of the runner* may be changed.