Patent ID: 7038346
Filing Date: 2006-05-02
Classification: H02K,Y10T

Abstract:
1. A vehicle rotary electric machine including a rotor, a stator having a stator core and a multi-phase stator winding mounted in said stator core and a frame for supporting said rotor and said stator, wherein said multi-phase stator winding includes a plurality of wires coated with insulation film that has adjoining inclined portions extending from said stator core and heat-welded joints of winding disposed in an arc area of said stator core, wherein each of said wires has a bare surface that includes said joints of winding and a portion of said adjoining inclined portions to prevent heat generated while said joints are heat-welded from deteriorating the insulation film, and wherein said stator winding has gaps formed between said joints of winding in said arc area.