US PATENT SUBCLASS 60 / 359
.~.~.~.~ Exhaust valve

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}
357  DF  .~.~.~ Of means adjusting the mass of level of motive fluid at the impeller energy transfer zone {2}
359.~.~.~.~ Exhaust valve {1}
360  DF  .~.~.~.~.~> Motive fluid pressure responsive

DEFINITION

Classification: 60/359

(under subclass 357) Apparatus having valve means whereby a quantity of motive fluid may be extracted from the transmission to reduce the quantity employed thereby and thus reduce the power output from the transmission.