(under subclass 140) Subject matter in which means are provided for controlling the electric circuit which extends from the generator armature to the motor armature and additional means are provided for controlling the generator.
SEE OR SEARCH THIS CLASS, SUBCLASS:
139, for this subject matter where the system is a battery-fed motor systems having control of the battery and the circuit therefrom to the motor.
SEE OR SEARCH CLASS
307, Electrical Transmission or Interconnection Systems, appropriate subclasses for control of electrical transmission lines either with or without control of the supply or load connected thereto.
320, Electricity: Battery or Capacitor Charging or Discharging, appropriate subclass for battery charging or discharging from a regulated source.
322, Electricity: Single Generator Systems, 7+, for combined control of generator and load circuit.
