| 摘要 |
A radial flux electrical generator employs a hollow cylindrical array of electrical coils1 electrical power being generated by rotating an array of concentric rings of magnets 2a, mounted on a one-piece magnetic flux conducting mounting/yoke 5, relative to said array of electrical coils. The yoke may comprise a plurality of cantilevered elements carrying the magnets which extend from a ring. The permanent magnet assembly may form the rotor and be mounted to the rotor shaft via spokes (figs 8,9 not shown) and the cantilever elements may be associated with reinforcing wires passing around or within the yoke structure (figs 10,11 not shown). Alternatively the yoke may be formed with a continuous circular channel by deep drawing an initially planar ring of material to form a â àâ or â Câ shaped section.
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