Patent ID: 6118196
Filing Date: 2000-09-12
Classification: B62J,H02K

Abstract:
A generator apparatus for use on a wheel of a bicycle comprising:a rotator adapted to be affixed to said wheel so as to rotate with a rotation of the wheel, said rotator having a surface extending therearound;a fixed number of magnets arranged with opposing polarity to each other around said surface of said rotator;a main shaft having a insulating core tube fitted thereover;a conductive annular lining anchored around an outer perimeter of said core tube;a core unit affixed to said core tube, said core unit comprising a first core component and a second core component arranged in generally parallel relationship, each of said first core component and said second core component comprising at least two disks stacked together, each of said at least two disks having legs extending from a perimeter thereof toward the disks of the other core component, the legs of one disk of said first core component arranged so as to alternate with the legs of another disk of said first core component, the legs of one disk of said second core component arranged so as to alternate with the legs of another disk of said second core components, the legs of said disks of said first and second core components arranged so as to alternate polarities around said core unit; anda coil unit positioned around said core unit such that said legs of said disks are interposed between said coil unit and said fixed number of magnets on said surface of said rotator.