SEE OR SEARCH CLASS: 318, Electricity: Motive Power Systems, subclass 528, for motor control with means to short circuit a field winding and subclass 299 for motor reversing control with means for short circuiting one or more field windings.
(a field; winding; ) (a field; subclass; 299 for motor reversing control with means for short circuiting one or more field windings) (motor; reversing; control)
a field a field motor
winding subclass reversing
299 for motor reversing control with means for short circuiting one or more field windings
control