IPC Main Group
H02K 31/00 Acyclic motors or generators, i.e. DC machines having drum or disc armatures with continuous current collectors
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- ELECTRICITY
- Class:
- GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
- Subclass:
- DYNAMO-ELECTRIC MACHINES
2 direct subcodes
Child Classifications
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- H02K 31/02 with solid-contact collectors
- H02K 31/04 with at least one liquid-contact collector