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Class 318/431 - Initial, "cracking" or "starting from rest" torque control


Subclass of Class 318 - Electricity: motive power systems
Definition: Subject matter in which means are provided for controlling
No. of patents: 125
Last issue date: 06/21/2011


      4  
NumberTitleIssue Date
4194145Method for monitoring the run-up to speed of asynchronous motors and apparatus for the performance thereof
A method of, and apparatus for, monitoring the run-up to speed of asynchronous motors which are turned-off within a permissible blocking or cutoff time of the motor when the speed run-up is improper, wherein after turning-on the motor there is determined ... 		03/18/1980
4107586Control system for a compound DC electric motor
A control system for a compound DC electric motor includes a shunt field winding connected in parallel with a series field winding, with both windings being connected to a power source. A time delay is positioned between the series field winding and the p... 		08/15/1978
4105938Proportional pulse controller
An electrical actuator such as a direct current solenoid or motor is energized by a square wave voltage having an amplitude which applies full operating voltage to the actuator during each pulse. The duty cycle of the applied voltage is variable between p... 		08/08/1978
4097788Control circuit for a self-starting electric motor
The invention relates to a control circuit for a self-starting electric motor of the type having stator windings in respective series relation with gate type electronic switches which are controlled by control impulses generated in a gate circuit. A motor... 		06/27/1978
3958164Protective panel circuit
A protective panel circuit provides under-voltage protection to existing manually operated motor controllers, and in addition assures that the controller is returned to the off or start position after a power interruption before the motor circuit can be r... 		05/18/1976
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