Composite inductor for electric rotary machines comprising sintered permanent magnets coated with a ferromagnetic binder
AssigneeUgimag SA
InventorSerge Brassard
Life of this patent
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Abstract
An inductor for an electrical rotary machine having a hollow or solid cylindrical yoke with a side wall to which is attached at least one sintered magnet having a pole face disposed facing an armature. The magnet is attached to the yoke by an over-molding which coats at least the pole face with a composite over-molding material containing a ferromagnetic material dispersed in a solid non-magnetic binder.
Claims15
An inductor for an electric rotary machine comprising a hollow or solid cylindrical yoke having a side wall to which is attached at least one sintered magnet having a pole face disposed facing an armature, the at least one sintered magnet being attached to the yoke by an over-molding which coats at least said pole face with a composite over-molding material comprising a ferromagnetic material dispersed in a solid non-magnetic binder.
Dependencies are inferred from the claim text.