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IPC Subgroup
H02K 27/22

having means for improving commutation, e.g. auxiliary fields, double windings, double brushes

Introduced: September 1968

Last revised: January 2006

Full Title

AC commutator motors or generators having mechanical commutator > having means for improving commutation, e.g. auxiliary fields, double windings, double brushes

Classification Context

Section:
ELECTRICITY
Class:
GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
Subclass:
DYNAMO-ELECTRIC MACHINES