US PATENT SUBCLASS 416 / 13
.~.~ Horizontal deflection relative to flow-aligned vane

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

9  DF  WITH MEANS POSITIONING FLUID CURRENT DRIVEN IMPELLER RELATIVE TO FLOW DIRECTION {2}
10  DF  .~ Offset relative to flow direction {3}
13.~.~ Horizontal deflection relative to flow-aligned vane {3}
14  DF  .~.~.~> With impeller brake or stop
15  DF  .~.~.~> And responsive to transverse vane
16  DF  .~.~.~> Biased to position by weight of parts

DEFINITION

Classification: 416/13

(under subclass 10) Apparatus wherein the impeller is pivotally mounted to swing in a horizontal plane, the swinging movement being caused by movement of a vane or rudder relative to the impeller, which vane or rudder tends to maintain a position aligned with the direction of working fluid flow and thus urges the impeller to swing to an inoperative position.