(under subclass 39.53) Plants in which the steam and/or water is added to the motive fluid within the working space of the turbine or expansible chamber motor.
SEE OR SEARCH THIS CLASS, SUBCLASS:
39.17, for multiple expansion motors in which steam and/or water is added to the products of combustion between successive expansion stages.
39.58, for plants in which the steam and/or water is added in the turbine nozzle.
SEE OR SEARCH CLASS
123, Internal-Combustion Engines, 25, for internal-combustion engines with means to supply water or steam to the working cylinder to mix with the products of combustion therein.
