Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Magnet structure or material
Patent
1989-03-28
1991-09-10
Harris, George
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
Magnet structure or material
79607, 335306, H01F 702
Patent
active
050477439
ABSTRACT:
An integrated magnetic element is provided, which comprises at least two magnetic elements of dissimilar materials. The integrated magnetic element is subjected to the same magnetomotive force, in order to induce the same magnetization in each element. The resulting integrated magnetic element will have a force of attraction or repulsion greater than that of a magnet comprising only one magnetic element and thus will do more useful work when incorporated into a magnetic device such as a solenoid, relay, rotor of a motor, or memory device.
REFERENCES:
patent: 3257586 (1966-06-01), Steingroever
patent: 3784945 (1974-01-01), Baermann
patent: 4110718 (1978-08-01), Odor et al.
patent: 4383193 (1983-05-01), Tomite et al.
patent: 4544904 (1985-10-01), Tarachand
patent: 4687608 (1987-08-01), Eino
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