CPC H02K 9/19 (2013.01) [H02K 1/16 (2013.01); H02K 3/12 (2013.01); H02K 3/24 (2013.01); H02K 3/48 (2013.01)] | 13 Claims |
1. A stator comprising:
a stator hub;
a plurality of stator teeth extending from the stator hub that define a stator slot having a stator slot base;
a plurality of windings disposed in the stator slot, each winding having an inner winding portion and an outer winding portion connected to the inner winding portion by end turns; and
a back iron;
wherein the plurality of windings surrounds the back iron and is held apart from the stator slot base so that a fluid channel is defined between the inner winding portion of the plurality of windinqs so fluid can be passed between the stator slot base and the inner winding portion to cool the inner winding portion; and
one or more winding separators formed of insulating material and disposed between adjacent ones of the outer winding portions, wherein the one or more winding separators include cooling passages formed therein.
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