AC commutator motors or generators having mechanical commutator

Child Classifications

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• H02K 27/02 characterised by the armature winding
• H02K 27/04 having single-phase operation in series or shunt connection
• H02K 27/12 having multi-phase operation
• H02K 27/20 Structural association with a speed regulating device
• H02K 27/22 having means for improving commutation, e.g. auxiliary fields, double windings, double brushes
• H02K 27/24 having two or more commutators
• H02K 27/26 having disc armature
• H02K 27/28 Structural association with auxiliary electric devices influencing the characteristic of the machine or controlling the machine
• H02K 27/30 Structural association with auxiliary mechanical devices, e.g. with clutches or brakes