Patent ID: 6784587
Filing Date: 2004-08-31
Classification: H02K,Y10T

Abstract:
A stacked stator core, comprising:a first core member formed by stacking a prescribed number of magnetic materials and made up of a plurality of yoke members connected to one another through a bendable bent portion; a second core member formed by stacking the prescribed number of magnetic materials and made up of a yoke member arranged in such a manner that one end of each magnetic material of said second core member is successively connected to the other end of said first core member through a bendable bent portion from the next magnetic material of the other end of said first core member by shifting entirely said second core member downwards, with left the same number of stages of one end of said second core member unconnected as the prescribed number of stages; a third core member formed by stacking the prescribed number of magnetic materials, each of which is made up of the same number of yoke members as said first core member connected through the bendable bent portion, and one end of the magnetic material of said third core member is connected to the other end of said second core member through a bendable bent portion by shifting entirely said third core member downwards; and a fourth core member formed by stacking the prescribed number of magnetic materials and made up of a yoke member arranged in such a manner that one end of each magnetic material of said fourth core member is successively connected to the next stage of the other end of said third core member through a bendable bent portion from the next magnetic material of the other end of said third core member by shifting entirely said fourth core member downwards, with left the same number of stages of one end of said fourth core member unconnected as the prescribed number of sages; wherein the first, the second, the third and the fourth core members are independently arranged in a ring and mutually stacked.