1. Different types
We'll use the usual representation of permanent magnets, where the direction of magnetization is represented by an arrow. The point of the arrow corresponds to the magnet's North Pole, by analogy with the compass.
1.1 Variable reluctance bearings
In the centerer shown in figure 1 , the magnet is used as a source of permanent magnetic flux. To cross the air gap, this flux is channeled by the opposing "teeth". This system creates a strong axial force of attraction between the two parts of the bearing. The radial force is zero in the centered position; a small radial offset produces a radial force that tends to recenter the system. This force is generated by the variation in...
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Different types
How it works
References
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