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Class Information
Number: 318/92
Name: Electricity: motive power systems > Plural, diverse or diversely controlled electric motors > Acceleration control > Control of both armature (or primary) and field (or secondary) circuits
Description: Subject matter in which means are provided for controlling both the armature (or primary) circuits and the field or (secondary) circuits of the motors.

Sub-classes under this class:

Class Number	Class Name	Patents
318/93	Series-parallel connected armature or primary circuits	3

Patents under this class:

Patent Number	Title Of Patent	Date Issued
4556826	Inching supply torque control	Dec. 3, 1985
4047080	Common bus parallel speed regulator system	Sep. 6, 1977
3938013	D. C. Motor control system effecting changes in the connections of the armature and variations in current flow through the field	Feb. 10, 1976