US PATENT SUBCLASS 60 / 39.42
.~ With reversible turbine

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

39.01  DF  COMBUSTION PRODUCTS USED AS MOTIVE FLUID {31}
39.42.~ With reversible turbine

DEFINITION

Classification: 60/39.42

(under subclass 39.01) Plants having a single turbine rotor with blade structure and flow passages whereby the turbine rotor may be selectively operable in either direction, usually by providing separate forward and reverse blading on the rotor.

SEE OR SEARCH CLASS

415, Rotary Kinetic Fluid Motors or Pumps, appropriate subclasses for gas operated reversing turbines, per se.