Patent ID: 6291918
Filing Date: 2001-09-18
Classification: H02K

Abstract:
An alternator for a vehicle, comprising:a hollow, cylindrical stator having a longitudinally extending central cavity;a rotor disposed within said cavity such that the stator opposes the rotor; anda frame supporting said rotor and said stator;wherein said stator comprises an iron core and a plurality of electric conductors, said iron core having a plurality of slots, said electric conductors being partially placed in said slots, said slots having first, axially extending openings which establish communication between said slots and said cavity, said first openings having a width smaller than a width between inner walls defining said slots, the width of said first openings of said slots being smaller than a minimal width of said electric conductors;wherein the stator has two end surfaces, in an axial direction of said iron core, which are formed such that one of the two end surfaces has openings constituting second slot openings through which said electric conductors are inserted into said slots, end portions of said electric conductors being bent in circumferential directions at positions immediately outward of said second openings; andwherein said first openings are formed in inner sides of said slots and are narrower than a width of electric conductor-accommodating portions of said slots, wherein each of said slots accommodates a plurality of electric conductors which are in mechanical contact with each other.