IPC Main Group
H02K 27/00 AC commutator motors or generators having mechanical commutator
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- ELECTRICITY
- Class:
- GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
- Subclass:
- DYNAMO-ELECTRIC MACHINES
9 direct subcodes
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 27/2 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 27/3 Structural association with auxiliary mechanical devices, e.g. with clutches or brakes