Electricity: circuit makers and breakers – Liquid contact – Time delay
Patent
1983-03-15
1985-02-12
Pellinen, A. D.
Electricity: circuit makers and breakers
Liquid contact
Time delay
200148A, 200148D, H01H 3316
Patent
active
044993501
ABSTRACT:
A circuit breaker including at least one circuit-breaking portion connected in parallel with a respective overvoltage suppression portion which includes, in series connection, a resistor which suppresses the switching overvoltage of the respective circuit-breaking portion, and a resistance switching portion that switches the current that flows to the resistor. The circuit breaker includes a mechanism for operating in association the circuit-breaking portion and the resistance switching portion; a first lever connected between the circuit-breaking portion and the operating mechanism for effecting the operation of switching of the circuit-breaking portion, the first lever having an eccentric part that extends therefrom; a second lever connected to the resistance switching portion for effecting the operation of switching of the resistance switching portion, the second lever having an eccentric part that extends therefrom; and a connecting bar connected between the eccentric parts of the first lever and the second lever. The circuit breaker portion and the overvoltage suppression portion are housed in a tank filled with insulating gas, with the operating mechanism attached to the tubular tank.
REFERENCES:
patent: 4009458 (1977-02-01), Kishi et al.
Ginsburg Morris
Pellinen A. D.
Tokyo Shibaura Denki Kabushiki Kaisha
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