with armatures rotating within the magnets

Introduced: September 1968

Last revised: January 2006

Full Title

Synchronous motors having permanent magnets; Synchronous generators having permanent magnets > with rotating armatures and stationary magnets > with armatures rotating within the magnets

Classification Context

Section:: ELECTRICITY
Class:: GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
Subclass:: DYNAMO-ELECTRIC MACHINES

4 direct subcodes

Child Classifications

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H02K 21/3 having annular armature cores with salient poles
H02K 21/32 having horse-shoe magnets
H02K 21/34 having bell-shaped or bar-shaped magnets, e.g. for cycle lighting
H02K 21/36 with homopolar co-operation