Leakage-free, linearly varying axial permanent magnet field sour

Details Leakage-free, linearly varying axial permanent magnet field sour Leakage-free, linearly varying axial permanent magnet field sour

1986-05-30

1987-10-20

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Magnet structure or material

335304, H01F 700

Patent

active

047017376

ABSTRACT:
A magnetic circuit with a frustum-shaped magnet having a longitudinal bore nd circumscribed by a cladding magnet of varying radial thickness with a non-linear outer exterior surface. The cladding magnet is radially magnetized and the frustum-shaped magnet is axially magnetized, resulting in a constant magnetic potential along the non-linear outer exterior surface of the cladding magnet. A laterally uniform longitudinally increasing magnetic field is created within the bore.

REFERENCES:
patent: 3205415 (1965-09-01), Seki et al.
patent: 3227931 (1966-01-01), Adler
patent: 3237059 (1966-02-01), Meyerer
patent: 3334264 (1967-08-01), Niclas
patent: 3768054 (1973-10-01), Neugebauer
patent: 4646045 (1987-02-01), Chari et al.
patent: 4646046 (1987-02-01), Vavrek et al.

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