US PATENT SUBCLASS 60 / 354
.~.~.~.~ Pitch or orientation of flow directing guide or blade controlled

Current as of: June, 1999
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60 /   HD   POWER PLANTS

325  DF  PRESSURE FLUID SOURCE AND MOTOR {47}
330  DF  .~ Coaxial impeller and turbine unit {11}
347  DF  .~.~ Having condition responsive or manually settable control means to regulate unit output {5}
352  DF  .~.~.~ Of means within an impulse, reaction or energy transfer flow path being adjustable to modify flow of motive fluid {2}
354.~.~.~.~ Pitch or orientation of flow directing guide or blade controlled {2}
355  DF  .~.~.~.~.~> Speed responsive
356  DF  .~.~.~.~.~> Motive fluid pressure responsive

DEFINITION

Classification: 60/354

(under subclass 347) Apparatus wherein the pitch of any or all of the vanes associated with the impeller, guide or turbine means of the transmission unit may be changed to alter the angle of incidence between said fluid and said vanes to vary the power output of said unit.

SEE OR SEARCH THIS CLASS, SUBCLASS:

332, for units having means to vary the pitch of the flow guide or reaction blade means to the point where the rotational direction of turbine component may be reversed.