Electricity: circuit makers and breakers – Liquid contact – Time delay
Patent
1981-07-23
1983-12-20
Macon, Robert S.
Electricity: circuit makers and breakers
Liquid contact
Time delay
200148R, H01H 3316
Patent
active
044219628
ABSTRACT:
The invention relates to a compressed gas circuit-breaker with a tubular stationary contact, a tubular moving contact, a device for inserting a resistance when the circuit-breaker closes, the insertion device and the resistance being disposed in a coaxial casing, said device being controlled by the moving contact of the circuit-breaker, the insertion device (19) being of the semi-mobile type and having a first means (51, 52) for damping its closing and a second means (50, 44) for delaying its opening when the circuit-breaker opens, wherein the first means (51, 52) and the second means (50, 44) are of the type which operate by pressure reduction. Application to circuit-circuit breakers which equip very high tension lines.
REFERENCES:
patent: 2792476 (1957-05-01), Westinghouse
patent: 3211868 (1965-10-01), General Electric
patent: 4338500 (1982-07-01), Pham Van et al.
Besson Marcel
Nicoloso Dante
Sigward Pierre-Paul
Thuries Edmond
Van Doan P.
Alsthom-Atlantique
Macon Robert S.
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