Magneto-generator

A magneto-generator, comprising:

• a flywheel implemented substantially in a bowl-like shape;
• a plurality of magnets disposed on and along an inner peripheral surface of said flywheel;
• a guard ring formed substantially in a cylindrical shape and disposed in intimate contact with said plurality of magnets at inner side surfaces thereof, said guard ring being provided with retaining portions formed in an opened peripheral edge portion of said guard ring located at a bottom side of said flywheel and a discontinuous flange portion formed discontinuously in an opened peripheral edge portion at a side opposite to said retaining portions for thereby positioning said magnets in a radial direction with an outer peripheral surface of said guard ring while positioning said magnets in a rotational axis direction by sandwiching said magnets between said retaining portions and said discontinuous flange portion;
• a mass of resin filled between said flywheel and said guard ring around each of said magnets for securing fixedly said magnets integrally with said flywheel;
• and
• a generator coil disposed internally of said flywheel in opposition to said magnets for generating electricity under the action of electromagnetic induction taking place between said magnets and said generator coil.