CPC H02K 3/345 (2013.01) [H02K 3/12 (2013.01)] | 22 Claims |
1. An electric machine comprising:
an armature; and
a field component;
wherein at least one of the armature or the field component comprises:
a plurality of conductive elements;
a laminated structure comprising a plurality of slots into which the plurality of conductive elements are positioned; and
a polymeric insulation layer formed directly on the laminated structure at least within the plurality of slots, the polymeric insulation layer comprising a filler dispersed in a base polyimide material, the filler comprising between 20 percent and 80 percent by weight of silica oxide and between 20 and 80 percent by weight of titanium oxide, wherein the polymeric insulation layer has a thermal index of 260° C. or greater.
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