US PATENT SUBCLASS 416 / 154
.~.~ Fluid motor for impeller adjustment

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}
153  DF  .~ Having pitch lock or adjustable stop {1}
154.~.~ Fluid motor for impeller adjustment

DEFINITION

Classification: 416/154

(under subclass 153) Apparatus in which the mechanism for moving the impeller or working member comprises a fluid motor.