CPC Subgroup
H02K 21/28 with armatures rotating within the magnets
Full Title
Synchronous motors having permanent magnets; Synchronous generators having permanent magnets > with rotating armatures and stationary magnets > with armatures rotating within the magnets
4 direct subcodes
Child Classifications
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- H02K 21/30 having annular armature cores with salient poles (with homopolar co-operation H02K21/36)
- H02K 21/32 having horse-shoe magnets (with homopolar co-operation H02K21/36)
- H02K 21/34 having bell-shaped or bar-shaped magnets, e.g. for cycle lighting (with homopolar co-operation H02K21/36)
- H02K 21/36 with homopolar co-operation