Patent ID: 6674203
Filing Date: 2004-01-06
Classification: H02K

Abstract:
A vehicle rotary electric machine including a rotor, a stator having a stator core and a stator winding and a frame for supporting said rotor and stator, whereinsaid stator core has a plurality of slots; said stator winding comprises a plurality of U-shaped conductor segments, having a generally rectangular cross-section with four corners and a pair of straight portions, disposed in a pair of said slots spaced apart at a fixed pitch so that a bundle of said straight portions forms radially extending layers in each of said slots and a turn joint portion disposed at an end of said stator core to form a coil end; and each of said straight portions of said U-shaped conductor segments forming radially opposite ends of said bundle has outside corners having a radius and the other corners of the bundle of said straight portions do not have a radius.