(under subclass 379) Apparatus in which the motive fluid generating apparatus comprises an internal combustion engine which is motivated by a combustible mixture, the combustible mixture or a component thereof being additionally used, either prior to, during, or after combustion, as the source of motivating fluid for the fluid motor.
SEE OR SEARCH THIS CLASS, SUBCLASS:
364, for an internal combustion engine which mechanically drives a pump.
381, for a pump motor driven by combustion products in which the combustion products generator is other than an internal combustion engine.