Permanent magnet field sources of radial orientation

Details Permanent magnet field sources of radial orientation Permanent magnet field sources of radial orientation

1990-06-04

1991-07-02

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Magnet structure or material

315 535, H01F 702

Patent

active

050289020

ABSTRACT:
A permanent magnet structure comprises a flux source having a central cav wherein a highly uniform magnetic field is produced of radial orientation. The flux source comprises a pair of radially magnetized discs of MR material. The discs are coaxially aligned parallel to and separated from each other a given distance. A ring fabricated of passive ferromagnetic material circumscribes the peripheries of the discs, and cladding magnets cover the planar exterior surface of each disc.

REFERENCES:
patent: 3205415 (1965-09-01), Seki et al.
patent: 3768054 (1973-10-01), Neugebauer

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