Switchgear device comprising an arc chute of reduced size

Details Switchgear device comprising an arc chute of reduced size Switchgear device comprising an arc chute of reduced size

2006-08-30

2008-12-02

Enad, Elvin G (Department: 2832)

High-voltage switches with arc preventing or extinguishing devic

Arc preventing or extinguishing devices

Arc chute assembly

C218S034000, C218S157000

Reexamination Certificate

active

07459652

ABSTRACT:
Electric switchgear device comprising at least one electric pole-unit comprising a stationary contact part made of conducting material, a movable contact part and an arc chute. The arc chute comprises two side parallel flanges, a rear wall, and a bottom arcing horn made of conducting material, electrically connected to the stationary contact part. Said bottom arcing horn is surrounded by a periphery made of gas-generating material. The arc chute comprises a stack of separators at least two of which separators comprise a notch. The arc chute comprises at least one regenerating separator placed parallel to the bottom arcing horn, said at least one separator comprising at least one metallic surface covering at least half of the notches in the longitudinal mid-plane.

REFERENCES:
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patent: 10 2004 002932 (2005-08-01), None
patent: 2 803 687 (2001-07-01), None

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