Patent ID: 6064132
Filing Date: 2000-05-16
Classification: H02K

Abstract:
A structure of an armature of a radial rib winding type rotating electric machine, which constitutes at least a member of a stator or a rotor, comprising:a laminated core having an annular core portion;a radial rib-like core portion that extends radially from said annular core portion toward an opposing member;a facing core portion that is formed at the edge of said radial rib-like core portion to face to said opposing member;a coil being wound about said radial rib-like core portion of said laminated core;a partial laminating core being laminated on at least said facing core portion of said armature to enlarge the facing surface thereof opposite said opposing member;wherein the total lamination thickness of said facing core portion and partial laminating core portion is larger than the thickness of said radial rib-like core portion;wherein a core piece constituting each layer of said facing core portion is formed of a plate-like member that is integral in the circumferential direction; said plate-like member having a joint portion that has a high magnetic resistance; andsaid core piece constituting each layer of said facing core portion is formed thinner than the thickness of an original plate to have a high magnetic resistance at said joint portion.