Low reluctance latching magnets

Details Low reluctance latching magnets Low reluctance latching magnets

1981-03-23

1983-05-24

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

With magneto-mechanical motive device

335234, H01F 708

Patent

active

043852807

ABSTRACT:
An electromagnetic device having an armature mounted in the gap of a ferromagnetic core for selective contact of either of opposed pole faces. A source of latching flux retains the armature in contact with either of the pole faces while a flux return bracket conducts flux between the armature and the source of latching flux. The source of latching flux has a surface area perpendicular to the flux path greater than the length along the flux path creating a low reluctance path for a portion of the operating flux.

REFERENCES:
patent: 3154728 (1964-10-01), Bordenet
patent: 3379214 (1968-04-01), Weinberg
patent: 3461354 (1969-08-01), Bollmeier
patent: 3775715 (1973-11-01), Bosch et al.

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