.~ By controlling internal combustion drive engine
DEFINITION
Classification: 417/34
(under subclass 1) Subject matter in which the drive motor comprises an engine in which fuel is burned in a chamber from which the power is directly derived and the control means includes means which acts on the engine to change some operating characteristic thereof.
SEE OR SEARCH THIS CLASS, SUBCLASS:
10, for system condition responsive control of a starter motor for an internal combustion engine driving a pump.
11, for system condition responsive control of a free piston-type internal combustion drive engine.
