US PATENT SUBCLASS 416 / 155
.~ Motor bodily rotatable with impeller hub or shaft

Current as of: June, 1999
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416 /   HD   FLUID REACTION SURFACES (I.E., IMPELLERS)

147  DF  HAVING POSITIVE MEANS FOR IMPELLER ADJUSTMENT {6}
155.~ Motor bodily rotatable with impeller hub or shaft {1}
156  DF  .~.~> Fluid motor {2}

DEFINITION

Classification: 416/155

(under subclass 147) Apparatus wherein the impeller or working member movement is effected by a motor mounted on and rotatable with the impeller*.