US PATENT SUBCLASS 60 / 331
.~.~ Reversible turbine or turbine system

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}
331.~.~ Reversible turbine or turbine system {4}
332  DF  .~.~.~> Having pitch control or motive fluid flow guide or reaction blade means
333  DF  .~.~.~> Having means to brake or free flow guide means
334  DF  .~.~.~> Having means to remove or insert flow guide means from or into motive fluid flow path
335  DF  .~.~.~> Having plural individually actuatable units

DEFINITION

Classification: 60/331

(under subclass 330) Apparatus wherein turbine means is provided with means by which it may be rotated so that the driven member may be rotated in either clockwise or counter-clockwise direction with respect to the direction of rotation of the driving member.