US PATENT SUBCLASS 318 / 141
.~ Automatic generator control and/or with time-delay means

Current as of: June, 1999
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318 /   HD   ELECTRICITY: MOTIVE POWER SYSTEMS

140  DF  GENERATOR-FED MOTOR SYSTEMS HAVING GENERATOR CONTROL {9}
141.~ Automatic generator control and/or with time-delay means {5}
142  DF  .~.~> Responsive to diverse conditions or with time-delay means {1}
144  DF  .~.~> Armature or primary current of motor
145  DF  .~.~> Terminal voltage or counter e.m.f. of motor
146  DF  .~.~> Speed of motor or driven device
147  DF  .~.~> Speed or frequency of generator or its drive means

DEFINITION

Classification: 318/141

(under subclass 140) Subject matter in which means are provided for automatically controlling the generator in response to a predetermined condition, or in which time-delay means are provided for retarding or delaying the operation of the generator control means, whether initiated manually or otherwise.

(1) Note. The condition need not be one that exists in, about or pertaining to the motor or generator of the system.

SEE OR SEARCH THIS CLASS, SUBCLASS:

445+, and the subclasses specified in the Notes thereto, for other automatic control systems for electric motors, and for other motor control systems which include a time-delay means for the control.

SEE OR SEARCH CLASS

290, Prime-Mover Dynamo Plants,

1, 44 for prime-mover generator plants in which the generator may be automatically controlled in response to some predetermined condition. 320, Electricity: Battery or Capacitor Charging or Discharging, appropriate subclass for a battery charging system supplied by a generator source.

322, Electricity: Single Generator Systems,

17+, for automatic control of generators in general.