Bistable switching arrangement

Details Bistable switching arrangement Bistable switching arrangement

1995-06-06

1997-12-30

Gellner, Michael L.

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

With magneto-mechanical motive device

335281, H01F 700, H01F 708

Patent

active

057035547

ABSTRACT:
A bistable switching arrangement has a magnetic system comprised of a yoke/core, an armature and at least one permanent magnet, as well as a magnetic coil. The armature is swingably held at the core by a spring and mechanically linked to a movable contact, with an air gap being formed in one switching state between the armature and a pole face of the yoke/core combination. In order to attain that only slight forces act upon the released armature, the permanent magnet is positioned in a region of the yoke to form one part of the cross sectional area, with the other part being formed by a non-magnetic member.

REFERENCES:
patent: 2295390 (1942-09-01), Dicken
patent: 2749454 (1956-06-01), Little et al.
patent: 3069602 (1962-12-01), Stout
patent: 3160796 (1964-12-01), Scheg
patent: 3470510 (1969-09-01), Richert
patent: 4660012 (1987-04-01), Bonniau et al.
patent: 5268662 (1993-12-01), Uetsuhara et al.

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