Circuit breaker with triple movement for high or medium voltages

Details Circuit breaker with triple movement for high or medium voltages Circuit breaker with triple movement for high or medium voltages

1992-11-03

1994-03-08

Scott, J. R.

Electricity: circuit makers and breakers

Liquid contact

Time delay

H01H 3342, H01H 3391

Patent

active

052930149

ABSTRACT:
A circuit breaker has within a casing filled with a dielectric gas, especially SF.sub.6, a first arcing contact electrically connected to a first terminal, and a second arcing contact electrically connected to a second terminal. The second arcing contact is movable within a fixed cylinder. A piston is movable within said fixed cylinder. The fixed cylinder and the piston form a compression chamber. The first arcing contact and the piston are movable relative to each other. An actuating mechanism actuates the first arcing contact in a direction opposite to that of displacement of the second contact, and actuates the piston in a direction opposite to that of the displacement of the second contact.

REFERENCES:
patent: 4471188 (1984-09-01), Van et al.
patent: 4556767 (1985-12-01), Egli et al.
patent: 4594488 (1986-06-01), Talpo
patent: 4973806 (1990-11-01), Kirchesch et al.
patent: 5126516 (1992-06-01), Thuries et al.
patent: 5155313 (1992-10-01), Dufournet et al.

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