IPC Subgroup
H02K 27/28 Structural association with auxiliary electric devices influencing the characteristic of the machine or controlling the machine
Introduced: September 1968
Last revised: January 2006
Full Title
AC commutator motors or generators having mechanical commutator > Structural association with auxiliary electric devices influencing the characteristic of the machine or controlling the machine
Classification Context
- Section:
- ELECTRICITY
- Class:
- GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
- Subclass:
- DYNAMO-ELECTRIC MACHINES