Patent ID: 7327065
Filing Date: 2008-02-05
Classification: H02K,Y10T

Abstract:
1. A stator for a motor comprising: a plurality of magnetic partial core members each having a magnetic split ring core element and a coil support core projecting outwardly from a center portion of said magnetic split ring core element, said plurality of magnetic partial core members being arranged and secured to each other to be in a ring-shape so as to form a circular hole to receive a rotor and with a slit formed between adjacent ones of said magnetic split ring core elements; a plurality of preformed cylindrical coils prepared separately from said magnetic partial core members and inserted in and attached to said coil support cores of said plurality of magnetic partial core members; and a flat magnetic housing having an outer peripheral wall whose diameter is equal to a diameter of a circle defined by connecting outer edges of the coil support cores, an inner peripheral wall that is higher than said outer peripheral wall and whose diameter is smaller than a diameter of the circular hole formed by the magnetic split ring core elements, and holes arranged for the coils, wherein the outer edges of the coil support cores abut on an inside surface of the outer peripheral wall of the flat magnetic housing, wherein said plurality of magnetic partial core members are integrated and secured to each other by filling said slits with resin, each slit being formed between adjacent ones of said magnetic split ring core members.