(under subclass 39.01) Plants in which an intermittently actuated motive fluid generator discharges combustion products, and alternately therewith, in a regular cyclic manner, also discharges distinct volumes of a different motive fluid, such as heated air or steam.
SEE OR SEARCH THIS CLASS, SUBCLASS:
39.18+, for internal-combustion engines having separate fluid pressure expansion strokes.
39.33, for plants in which the discharge of combustion products and a different motive fluid is selective.
