Switchgear with switching devices arranged in housings

Details Switchgear with switching devices arranged in housings Switchgear with switching devices arranged in housings

2001-04-19

2002-09-03

Donovan, Lincoln (Department: 2832)

High-voltage switches with arc preventing or extinguishing devic

Arc preventing or extinguishing devices

Vacuum

C218S139000, C218S154000, C218S155000

Reexamination Certificate

active

06444938

ABSTRACT:

This application claims priority to International Application No. PCT/DE99/03308 which was published in the German language on Oct. 12, 1999.
TECHNICAL FIELD OF THE INVENTION
The invention relates to switchgear assemblies having switching devices arranged in housings, and in particular, to switchgear assemblies having switching devices arranged in housings, with vacuum contactors, whose contact bolts can be deflected in a straight line and can be controlled by a magnetic drive device and are guided axially and radially by means of concentrically arranged slotted guides.
BACKGROUND OF THE INVENTION
Swithgear assemblies re known inter alia from the document “Siemens HG 11.21, 1997, Vakuumschütze 3TL6, page 3/3”.
The axially moveable contact bolt has a conical extension at its free end, which is mounted in a slotted guide within the integral rocker, which can be deflected radially. The moveable contact bolt is thus protected against the influence of transverse forces in the voltage range up to 12 kV.


REFERENCES:
patent: 3941959 (1976-03-01), Kohler
patent: 4855546 (1989-08-01), Leisch
patent: 35 44 972 (1985-12-01), None
patent: 41 33 091 (1991-09-01), None
patent: 42 26 772 (1992-08-01), None
patent: 0 750 328 (1996-12-01), None
Katalog, Siemens HG Nov. 21, 1997, Vakkumschutze 3TL6, Seite 3/3.

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