(under the class definition) Apparatus provided with means to inject a noncombustible gas or liquid into a combustion chamber to thereby promote or support the combustion reaction.
SEE OR SEARCH THIS CLASS, SUBCLASS:
348, for process of fluid feed.
SEE OR SEARCH CLASS
122, Liquid Heaters and Vaporizers,
70, for boiler structure provided with an air feeding conduit.
126, Stoves and Furnaces,
78, for a heating stove provided with a steam feeding device. 266, Metallurgical Apparatus,
186+, for ore treating or metal extracting apparatus provided with means for feeding fluids.