Patent ID: 8841811
Filing Date: 2014-09-23
Classification: H01B,H02K

Abstract:
1. An electric machine comprising: a stator core with a plurality of slots; a plurality of electric conductors positioned in the slots and connected together to form a winding that extends substantially around the core, each of the plurality of electric conductors including a U-turn portion extending between two in-slot portions and connection ends extending from the in-slot portions, the connection ends extending from an opposite end of the core from the U-turn portions, each connection end including a tip connected to a tip of another connection end such that the plurality of connected electric conductors provide a conductive path extending substantially around the core; a resin insulation coating bonded to the U-turn portion, the in-slot portions, and the connection ends of the plurality of electric conductors; and a plurality of insulation sleeves separating the plurality of electric conductors, the plurality of insulation sleeves substantially covering the resin insulation coating on the U-turn portion, the in-slot portions, and the connection ends of each of the plurality of electric conductors, but not covering the tips on the connection ends of the plurality of electric conductors, each of the plurality of insulation sleeves is friction-fit to one of the plurality of electric conductors.