Patent ID: 6744168
Filing Date: 2004-06-01
Classification: H02K,Y10T

Abstract:
A stator comprising:a plurality of teeth cores positioned at predetermined intervals on a predetermined circumference; a core back core provided on a circumferential outside between adjacent teeth cores; and at least one stator winding which is wound around said teeth cores, wherein an approximately U-shaped insulating sheet is provided between adjacent teeth cores with the ends of the sheet facing towards said circumferential outside, said insulating sheet is provided between said teeth cores and said stator windings, and the ends of said insulating sheet are bent inward and occluded by an inner end surface of said core back core which is inserted from said circumferential outside; and wherein, between yoke sections of any of two of the teeth cores there is a respective space for accepting therein the core back core, said space comprising a generally constant distance between the two teeth cores alone a radial direction of the stator.