Relay drive for polarized relay

Details Relay drive for polarized relay Relay drive for polarized relay

1988-08-26

1989-11-14

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

With magneto-mechanical motive device

335234, H01F 708

Patent

active

048810541

ABSTRACT:
Relay drive for a polarized relay having an armature that can be moved in at least one working air gap provided between two pole faces of a split yoke and at least one permanent magnet, as well as a coil permeated with parts of the yoke, or a core directly connected therewith, wherein at least one pole face cooperating with the armature or located thereon is formed from one pole face of the permanent magnet and another pole face cooperating with the armature or disposed thereon is formed either by a pole face of another permanent magnet or of a soft-iron part, said soft-iron part being interchangeable with a permanent magnet of the same size.

REFERENCES:
patent: 4727344 (1988-02-01), Koga et al.
patent: 4730175 (1988-03-01), Ichikawa et al.
patent: 4730176 (1988-03-01), Matsuo et al.

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