US PATENT SUBCLASS 416 / 15
.~.~.~ And responsive to transverse 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  DF  .~.~ Horizontal deflection relative to flow-aligned vane {3}
15.~.~.~ And responsive to transverse vane

DEFINITION

Classification: 416/15

(under subclass 13) Apparatus wherein the impeller deflection is effected or controlled directly or indirectly by a reactive surface distinct from the impeller and normally arranged substantially transverse to the direction of working fluid flow when the impeller is headed transverse of the flow direction.