Circuit-breaker having two interrupting chambers per pole with d

Details Circuit-breaker having two interrupting chambers per pole with d Circuit-breaker having two interrupting chambers per pole with d

1996-01-05

1997-09-16

Scott, J. R.

High-voltage switches with arc preventing or extinguishing devic

Arc preventing or extinguishing devices

Multiple break

218 7, 218 84, 218143, 218144, 218154, H01H 3312, H01H 3316

Patent

active

056683600

ABSTRACT:
A circuit-breaker having two interrupting chambers per pole, the chambers being disposed in a T or V configuration at the end of a column provided at its base with a control system for operating a drive rod, each chamber containing a moving assembly connected via a linkage to the drive rod, and main contacts and arcing contacts, wherein each chamber contains a semi-moving assembly including main contacts and arcing contacts co-operating respectively with the main contacts and the arcing contacts of the moving assembly, the semi-moving assembly in each of the chambers including a mechanism for moving it at a velocity of equal magnitude and of opposite direction to the velocity of the moving assembly with which it co-operates.

REFERENCES:
patent: 3676621 (1972-07-01), Pflanz
patent: 3896282 (1975-07-01), Chabala
patent: 4365126 (1982-12-01), Oshima et al.
patent: 4486633 (1984-12-01), Calvino
patent: 5510591 (1996-04-01), Tramblay et al.
Patent Abstracts of Japan, vol. 14, No. 344 (E-0955), 25 Jul. 1990 corresponding to JP-A-02 117043 (Toshiba Corp) dated 1 May 1990.

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