US PATENT SUBCLASS 416 / 157 R
.~.~.~ Coaxial with impeller 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  DF  .~ Motor bodily rotatable with impeller hub or shaft {1}
156  DF  .~.~ Fluid motor {2}
157 R.~.~.~ Coaxial with impeller shaft {2}
157 A  DF  .~.~.~.~> Rotary fluid motor
157 B  DF  .~.~.~.~> Plural blade units

Unofficial Alpha Subclasses: R A B

DEFINITION

Classification: 416/157

(under subclass 156) Apparatus wherein the fluid motor is coaxial with the axis of the impeller shaft and is rigidly connected therewith.