US PATENT SUBCLASS 415 / 98
.~.~ Impeller blades extending from opposite sides of common central support

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}
98.~.~ Impeller blades extending from opposite sides of common central support

DEFINITION

Classification: 415/98

(under subclass 97) Apparatus in which the runner* member comprises a substantially transverse radially extending wall encircling the shaft* and having one each side thereof a plurality of blades* which project in opposed directions along the axis.

SEE OR SEARCH THIS CLASS, SUBCLASS:

77+, for a runner* comprising an axially extending circular wall encircling the runner*, shaft*, said wall having runner* blades* extending radially from each side thereof.