IPC Subgroup
H02K 21/02 Details
Introduced: September 1968
Last revised: January 2006
Full Title
Synchronous motors having permanent magnets; Synchronous generators having permanent magnets > Details
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 21/04 Windings on magnets for additional excitation
- H02K 21/1 Rotating armatures