H02K 27/22
Ac commutator motors or generators having mechanical commutator: having means for improving
Official title: having means for improving commutation, e.g. auxiliary fields, double windings, double brushes
H02K27/22 (Ac commutator motors or generators having mechanical commutator: having means for improving) appears on 1 US grants and 1 published applications in this corpus.
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- 29 Apr 2025
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