US PATENT SUBCLASS 416 / 100
.~ Continuous rotor oscillation

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

98  DF  SUSTAINED ANCILLARY MOVEMENT OF ROTARY WORKING MEMBER (E.G., CYCLIC FEATHERING, ETC.) {9}
100.~ Continuous rotor oscillation

DEFINITION

Classification: 416/100

(under subclass 98) Apparatus comprising an impeller supported for rotation about an axis and wherein the support structure comprising the rotation axis is caused to partake of a continuous angular oscillating movement across the rotation axis concurrently with the impeller rotatory motion.