Universal relay

Details Universal relay Universal relay

1989-11-03

1991-07-23

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

With magneto-mechanical motive device

335 79, H01F 708

Patent

active

050347144

ABSTRACT:
The relay of the present invention is economically adapted for nuclear and commercial applications. The reliability of the relay is enhanced by utilizing a split coil and a permanent magnet located therebetween. The so-called split coil/permanent magnet configuration supplements the upward forces generated by a kickout spring by positioning a permanent magnet so as to assist in holding the armature and contacts rigidly in the off position. The design of the present invention assures that the armature stays in the desired position even when the relay is subjected to shock and vibration forces present in the environment.

REFERENCES:
patent: 1750895 (1930-03-01), Leyhausen
patent: 2323702 (1943-07-01), Berkey
patent: 3023286 (1962-02-01), Bourne et al.
patent: 3634735 (1972-01-01), Komatsu
patent: 4233585 (1980-11-01), Sugimoto et al.
patent: 4253493 (1981-03-01), English
patent: 4550302 (1985-10-01), Watanabe et al.
patent: 4604599 (1986-08-01), Koehler
patent: 4751487 (1988-06-01), Green

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