.~.~> Plural, diverse or diversely controlled motors
DEFINITION
Classification: 318/6
(under subclass 3) Subject matter in which means are provided
for controlling one or more electric motors so as to control the tension or tautness in a material being driven, conveyed, or otherwise moved by the motor at some predetermined value or within some predetermined limits.
SEE OR SEARCH THIS CLASS, SUBCLASS:
362+, for patents relating to braking of load devices driven by electric motors.
432, for patents relating to constant motor current or load or torque control.
436, for patents relating to motor systems for producing torque while the motor is not running but is still energized.
SEE OR SEARCH CLASS 72, Metal Deforming,
6, for a metal-shaping apparatus combined with a condition responsive device for automatically controlling the operation of the apparatus and subclass 183 for a metal deforming apparatus for deflecting successively presented portions of work by tension applied thereto.
112, Sewing,
254, for tensioning devices for sewing machines.
114, Ships,
213+, for tension relieving devices on ships.
226, Advancing Material of Indeterminate Length,
10, for a feeder controlled by the tension in a strand or web.
242, Winding, Tensioning, or Guiding,
410+, and 147+ for a device for controlling tension in a running length of elongated material.
254, Implements or Apparatus for Applying Pushing or Pulling Force,
274+, for apparatus for hauling or hoisting a load, including a cable-pulling drum having a mechanism linked to the drum, or a rotating element of the drive for the drum, for generating a control impulse to the drive motor of the drum when the torque on the drum varies. 440, Marine Propulsion,
34, for ship towing by cables, wherein means may be provided
for controlling the cable tension or tautness.
474, Endless Belt Power Transmission Systems or Components,
101+, for means for adjusting belt tension in a power transmission.
