High-voltage switches with arc preventing or extinguishing devic – Arc preventing or extinguishing devices – Air-current blowout
Patent
1995-10-23
1997-03-11
Scott, J. R.
High-voltage switches with arc preventing or extinguishing devic
Arc preventing or extinguishing devices
Air-current blowout
218 59, 218 65, H01H 3388
Patent
active
056103816
ABSTRACT:
A compression gas puffer type circuit breaker has a magnetic body surrounding a conductor between a stationary arc contact and a main bus conductor. The magnetic body is protected from being exposed to heated puffer gas generated when a movable arc contact is separated from the stationary arc contact by disposing an insulator partition plate supporting the conductor at the downstream end of a cylindrical contact base carrying a main stationary contact and upstream of the magnetic body. Conductors are disposed around the magnetic body so as to increase flux linkage with the magnetic body when an arcing current flows through the conductor during a circuit breaking operation.
REFERENCES:
patent: 4052577 (1944-10-01), Votta
patent: 4409447 (1983-10-01), Noeske
patent: 4431886 (1984-02-01), Logan
Asai Yoshihito
Daimon Goro
Ishikawa Kogi
Kashimura Katsuichi
Koyanagi Osamu
Hitachi , Ltd.
Scott J. R.
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