US PATENT SUBCLASS 415 / 87
.~.~ From opposed faces of common central disc


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}
86  DF  .~ Blades projecting axially from plural transverse runner faces {1}
87.~.~ From opposed faces of common central disc


DEFINITION

Classification: 415/87

(under subclass 86) Apparatus in which the blades* extend axially from both sides of a common wall.