Importance

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Abstract

The magnetomotive force of a current produces a magnetic field in magnetic material which encircles the current. Although magnetic material attracts a current, material having vanes repels the current because of magnetic flux lines produced between the vanes. The magnetic material is symmetrically arranged, and consists of pairs of radial, magnetic vanes connected by a magnetic member encircling the current. The magnetic member has a uniformly-distributed coil whose ampere-turns oppose the magnetomotive force of the current. The number of magnetic members is n. The angular spacing of the vanes equals 180/n. The coil ampere-turns equals l(n-1)/n, where l is the current. The guiding of the current occurs for one-half of the area of the plane on which the magnetic material is located. To obtain guiding for the other half, a second plane has magnetic material similar to that on the original plane, but rotated by the angle 180/n. Such rotation angles are continued in successive planes spaced along the current axis. The current guiding system can be used for straight line paths, or for a curved path that is closed on itself. The invention can be employed for direct current as well as for alternating current. Major applications include controlled fusion systems and particle accelerators. For controlled fusion systems, the invention can be applied to beam guidance. For particle accelerators the invention can be combined with acceleration units to maintain or even compress a beam while it is accelerated.

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First Claim