Electromagnetic relay

Details Electromagnetic relay Electromagnetic relay

1981-10-02

1983-09-13

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

H01H 3318

Patent

active

044044437

ABSTRACT:
An improved relay for increasing the service life of contacts and the breaking capacity. Each fixed contact is mounted on a solid parallelepipedal block having a hollowed-out portion for receiving the end of the corresponding connection rod and providing a high-quality connection by brazing. The relay is further provided with means for extinguishing the electric arc by lengthening the arc, a permanent magnet being accordingly employed for each pair of associated contacts, one contact being fixed and the other being movable. The magnet is preferably housed within a spark trap.

REFERENCES:
patent: 2411892 (1946-12-01), Peters
patent: 2506991 (1950-05-01), Brown
patent: 3024334 (1962-03-01), Rhodes
patent: 3090854 (1963-05-01), Kretzschmar
patent: 3092700 (1963-06-01), Cohen
patent: 3319200 (1967-05-01), Witzler
patent: 3384772 (1968-05-01), Rabinowitz

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