(under subclass 39.01) Plants wherein the turbine rotor, in
addition to its usual function as a power producing element, also serves, at the same time, to compress an oxidizer, fuel, or a fuel charge, for use in the power cycle.
SEE OR SEARCH THIS CLASS, SUBCLASS:
39.33, for turbines which may be selectively or automatically converted to operate as compressors.
SEE OR SEARCH CLASS
415, Rotary Kinetic Fluid Motors or Pumps,
175+, and 177+ for turbines carrying fan blades for the circulation of a cooling medium.