| 摘要 |
The invention relates to an arrangement consisting of a plurality of permanent magnets (e.g. a spherical shape) which externally form a uniform magnetic pole over the entire surface. This magnet arrangement is intended in particular for various toys, models for planetaria and contact-free magnetic bearings. Figure 1 shows the hollow permanent magnet arrangement in a spherical shape which consists of four identical parts whose inner surfaces form a magnetic north pole while the outer surfaces form a south pole. The entire wall of this magnet arrangement is provided with a plurality of holes (3) which are used for the magnetic lines of force (B) to pass through. All the parts are bonded together. Figure 2 shows the hollow permanent magnet arrangement hovering above a permanent magnet ring (4) whose south pole is provided with an iron ring (5) with inclined inner surface. Since the surface of the hollow permanent magnet arrangement (1) has the same magnetic polarity as the lower permanent magnet ring (4) (electromagnet), the two permanent magnet bodies repel. The permanent magnet arrangement can hover and rotate freely in all directions. The hole (6) is used for fixing the hovering permanent magnet over the centre of the lower magnet ring (4). The gravitational force (A) is used for the same purpose. <IMAGE>
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