Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
H02K—DYNAMO-ELECTRIC MACHINES
H02K27/00—AC commutator motors or generators having mechanical commutator
H02K27/22—AC commutator motors or generators having mechanical commutator having means for improving commutation, e.g. auxiliary fields, double windings, double brushes
Dynamoelektrischer Umformer, dessen Hauptpole mit einzeln oder gemeinsam erregbaren, festen Ansaetzen gleicher Polaritaet versehen sind (Spaltpolumformer)