Electromagnetic relay having silencing effect

Details Electromagnetic relay having silencing effect Electromagnetic relay having silencing effect

1989-04-24

1990-03-20

Broome, H.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Retarded or delayed type

335 59, 335240, H01H 703, H01H 4302

Patent

active

049104845

ABSTRACT:
A relay comprises a yoke, an armature, a movable contact spring having a movable contact, at least one stationary contact mounted thereon, and a core. An air damper is mounted on a free end of the movable spring, or on a free end of the armature, to reduce sound generated by the impulsive force of the movable contact and the impulsive force of the armature.

REFERENCES:
patent: 1779328 (1930-10-01), O'Brien
patent: 1981259 (1934-11-01), Wertz
patent: 3242285 (1966-03-01), Obszarny
patent: 3389354 (1968-06-01), Ahlberg

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