(under subclass 140) Subject matter in which means are provided for controlling the speed of the generator by controlling the driving means therefor.
SEE OR SEARCH THIS CLASS, SUBCLASS:
700+, for this subject matter where the system includes means for controlling the speed of the generator combined with other control means for the generator.
SEE OR SEARCH CLASS
290, Prime-Mover Dynamo Plants, for variable speed nonelectric prime movers which drive generators.
322, Electricity: Single Generator Systems,
14+, for combined control of generator and driving means; subclasses 29+ for automatic control of generator or driving means control in response to speed or frequency of the generator; subclasses 38+ for generator driving means control; subclasses 40+ for power transmitting mechanism control.