Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Magnetostrictive-type device
Patent
1989-04-24
1990-04-03
Harris, George
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
Magnetostrictive-type device
335284, H01F 700
Patent
active
049144120
ABSTRACT:
A specially designed magnetic circuit which is provided which is intended to magnetize cylindrically shaped magnetic materials (1) in the axial direction. The magnetic circuit comprises a magnetizing coil (2), permanent magnets (5, 6), and magnetic return conductors (3, 7) of a ferromagnetic material. The magnetic circuit is well suited to utilize the magnetostrictive properties of a magnetic material.
REFERENCES:
patent: 4599591 (1986-07-01), Delvecchio et al.
patent: 4845450 (1989-07-01), Porzio et al.
Engdahl Goran
Kvarnsjo Lars
Asea Brown Boveri AB
Harris George
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