| 摘要 |
A flywheel power source device for converting electric energy into kinetic energy and for storing the kinetic energy by rotating a flywheel of which rotary shaft is rotatably supported by a bearing mounted in a casing at high speed, wherein the kinetic energy is reconverted into electric energy when necessary; the flywheel power source device is provided with a rotational fulcrum at a bottom of the rotary shaft and a center of gravity of the flywheel being positioned on a line of action of a resultant force of magnetic attractive forces acting on the flywheel.
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