Class 318/682 - Rotating amplifier (e.g., "Ward Leonard" control)

Subclass of Class 318 - Electricity: motive power systems
Definition: Subject matter in which the particular servoamplifier is
No. of patents: 2
Last issue date: 01/15/1985

Number	Title	Issue Date
4494050	System for supression of underdamped oscillations in ac power drawn by synchronous motors driving Ward-Leonard generators A method and apparatus for reducing oscillations in input electrical power to a Ward-Leonard drive system which is subject to variations in mechanical loading, the technique utilizing a notch filter in the feedback path to the dc generator, the notch filt...	01/15/1985
4034273	Turbo-electric turret drive system for mobile vehicles A turret drive system for mobile and armored vehicles includes a turbo-geator for supplying power to an electric motor. The driveshaft of the motor is connected to the driveshaft of a rotary amplifier, with a flywheel mounted to the interconnecting drive...	07/05/1977

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