Electromagnetic relay

Details Electromagnetic relay Electromagnetic relay

1990-11-09

1992-06-30

Donovan, Lincoln

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Polarity-responsive

335 83, 335128, 361405, H01H 5122

Patent

active

051267098

ABSTRACT:
An electromagnetic relay having an electromagnetic block with a roughly U-shaped iron core formed with a pair of bent opposing magnetic poles at both the ends thereof and with a coil wound therearound via a spool; and an armature block with both ends thereof opposing the magnetic poles and with the middle portion thereof pivotally supported. A permanent magnet is disposed between the two opposing magnet poles of the iron core so as to oppose said armature. The permanent magnet is supported by a support member formed integral with the spool of the electromagnetic block. The armature is pivotally supported by the electromagnetic block.

REFERENCES:
patent: 4591951 (1986-05-01), Iwamoto et al.
patent: 4695813 (1987-09-01), Nobutoki et al.
patent: 5015978 (1991-05-01), Yokoo et al.

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