Arc extinguisher with an attachment for low voltage switchgear

Details Arc extinguisher with an attachment for low voltage switchgear Arc extinguisher with an attachment for low voltage switchgear

2005-01-18

2005-01-18

Enad, Elvin (Department: 2832)

High-voltage switches with arc preventing or extinguishing devic

Arc preventing or extinguishing devices

Arc chute assembly

C200S306000, C335S201000

Reexamination Certificate

active

06844514

ABSTRACT:
An arc extinguisher for low voltage switchgear, switching in air, includes a universally applicable variable attachment for adjustment of the arc extinguisher chamber to meet increased demands. The attachment is in the form of a chimney-like arc extinguisher chamber extension, for increasing the volume of the arc extinguisher chamber. It represents a moulded piece with a lower outline which exactly matches the outline of the arc extinguisher chamber cover, normally located on the arc extinguisher chamber and with an upper outline, identical to the upper outline of the switchgear housing for mounting the arc extinguisher chamber cover. Any number of attachments may be used in a stacked manner.

REFERENCES:
patent: 3582966 (1971-06-01), Strobel
patent: 3621169 (1971-11-01), Eldon et al.
patent: 3803376 (1974-04-01), Cryctko
patent: 4388506 (1983-06-01), Murai et al.
patent: 4876424 (1989-10-01), Leone et al.
patent: 5756951 (1998-05-01), Manthe et al.
patent: 6222146 (2001-04-01), Turkmen
patent: 3541514 (1987-05-01), None
patent: 4410108 (1998-05-01), None
patent: 0437151 (1991-07-01), None
patent: 0437151 (1991-07-01), None

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