US PATENT SUBCLASS 416 / 26
.~ Pitch adjustment related to drive brake or clutch operation

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

25  DF  INTERRELATED CONTROLS FOR IMPELLER AND DRIVE MEANS {2}
26.~ Pitch adjustment related to drive brake or clutch operation

DEFINITION

Classification: 416/26

(under subclass 25) Apparatus wherein the impeller operation or adjustment control means comprises means for varying the blade angle* of an impeller and the control means for the impeller driving or driven means comprises brake or clutch means therefor.