Alternating current immunized relay and method of immunizing a r

Details Alternating current immunized relay and method of immunizing a r Alternating current immunized relay and method of immunizing a r

1988-06-16

1991-04-23

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

With magneto-mechanical motive device

335245, 335246, H01F 710

Patent

active

050103105

ABSTRACT:
A relay apparatus which comprises an armature, means for pivotally mounting the armature, first and second pole pieces dimensioned, configured and disposed for cooperation with the armature, a magnetic circuit including at least one coil, a plurality of iron shunt lamina spanning the magnetic circuit intermediate at least one of the coil and the first and second pole pieces, and a plurality of copper washer slugs in the magnetic circuit intermediate at least one of the first and second pole pieces and the iron shunt lamina. The invention also includes a method of immunizing a relay from alternating current.

REFERENCES:
patent: 2546740 (1951-03-01), Goldberg
patent: 4491816 (1985-01-01), Blum
patent: 4700165 (1987-10-01), Brisson et al.
patent: 4806894 (1989-02-01), Koto
Protected D.C. Track Relay Type Bl, Metropolitan Vickers, United Kingdom, 1959.

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