Contactor for direct current and alternating current operation

Details Contactor for direct current and alternating current operation Contactor for direct current and alternating current operation

2007-07-31

2008-08-26

Barrera, Ramon M (Department: 2832)

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

With arc-suppression or extinguishing means

C200S010000, C218S022000, C218S023000, C218S028000

Reexamination Certificate

active

07417520

ABSTRACT:
The invention relates to a contactor for direct current and alternating current operation with at least one contact point with a fixed contact and a movable contact, at least one permanent magnet, arranged adjacent to the contact point, for the generation of a permanent magnetic blowout field and at least one coil, arranged adjacent to the contact point, for the generation of an electromagnetic blowout field, for blowing an arc that is formed when opening the contact point into at least one arc chamber. A contactor is to be provided that allows a quick and reliable separation of the contacts and consequently also a quick and reliable extinguishing of the arcs and that allows a structure with a simple design and simple manufacture. For this purpose, the contactor has at least two contact points, wherein the movable contacts are arranged on a contact bridge, at least one permanent magnet is arranged adjacent to each contact point and the permanent magnets assigned to the two contact points are polarised in opposite directions.

REFERENCES:
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patent: 0 980 085 (2006-11-01), None
patent: 998482 (1965-07-01), None

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