Patent ID: 7622843

Claim:
An electric machine comprising: a core comprising a plurality of slots, the core including an insertion side and an opposing side; a winding arrangement provided in the plurality of slots of the core, the winding arrangement comprised of a plurality of differently shaped hairpin conductors, each of the plurality of differently shaped hairpin conductors including at least one leg inserted into one of the plurality of slots with a leg end of the at least one leg extending from the opposing side of the core; wherein the plurality of differently shaped hairpin conductors form at least two winding sets, including a first winding set and a second winding set, the first winding set provided in a first conductor layer and a second conductor layer in the plurality of slots and the second winding set provided in a third conductor layer and a fourth conductor layer in the plurality of slots; and wherein all the leg ends extending from the opposing side of the core for the winding arrangement are bent the same number of slots and connected to immediately adjacent leg ends at the opposing side of the core; and wherein the connections between the differently shaped hairpin conductors are all provided at the opposing side of the core.