Electromagnetic actuator

Details Electromagnetic actuator Electromagnetic actuator

1996-09-27

2000-03-28

Gellner, Michael L.

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

With magneto-mechanical motive device

335 78, 335 79, 335 80, 335 85, 335128, 335179, 335181, 335229, 335276, H01F 714, H01F 708

Patent

active

060437308

ABSTRACT:
An electromagnetic actuator has an iron core around which a coil is wound; two permanent magnets, the same poles of which are placed on the ends of the core which extend beyond the coil and which have the same direction of polarity; magnetic poles formed on either end of the iron core; a yoke which connects the poles of the magnets opposite those which face the core; and an iron armature which is supported by a fulcrum on the yoke in such a way that it is free to rotate around the fulcrum, and which has on either end a magnetic pole which faces one of the poles of the core.

REFERENCES:
patent: 2941130 (1960-06-01), Fischer et al.
patent: 3673529 (1972-06-01), Garratt et al.
patent: 4385280 (1983-05-01), Reisem
patent: 4437081 (1984-03-01), Wyatt
patent: 4465992 (1984-08-01), Fowler
patent: 4467304 (1984-08-01), Reisem
patent: 4551698 (1985-11-01), Aidn

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