US PATENT SUBCLASS 60 / 352
.~.~.~ Of means within an impulse, reaction or energy transfer flow path being adjustable to modify flow of motive fluid

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.~.~.~ Of means within an impulse, reaction or energy transfer flow path being adjustable to modify flow of motive fluid {2}
353  DF  .~.~.~.~> Motive fluid guide vane transferable axially into or out of motive fluid flow path
354  DF  .~.~.~.~> Pitch or orientation of flow directing guide or blade controlled {2}

DEFINITION

Classification: 60/352

(under subclass 347) Apparatus wherein the output of the unit is controlled or regulated by means placed in the motive fluid circuit to alter the flow, either in rate or direction, which said motive fluid would otherwise assume.