Electricity: circuit makers and breakers – Liquid contact – Time delay
Patent
1975-03-21
1978-02-21
Macon, Robert S.
Electricity: circuit makers and breakers
Liquid contact
Time delay
200150G, 200144AP, H01H 3370
Patent
active
040754472
ABSTRACT:
A high-voltage gas-type circuit-interrupter is provided utilizing a pair of serially-related puffer-type circuit-interrupters mechanically connected together, and operated by a single common operating rod. The stationary contact structures may be supported by rods attached to the interrupter support plate, or, alternatively, by a pair of terminal-bushings extending downwardly interiorly within a surrounding metallic tank at ground potential, for example.
The operating arrangement may be such as to involve a linearly movable generally vertically extending common operating rod actuated externally of the grounded gas-filled tank by a suitable operating mechanism.
Preferably, the individual puffer-type gas interrupters each involves the linear-slidable operation of a movable operating gas-compression cylinder, carrying the movable contact structure and an insulating nozzle orifice movable over a relatively stationary fixed piston structure.
REFERENCES:
patent: 2095441 (1937-10-01), Howe
patent: 3214550 (1965-10-01), Easley
patent: 3291948 (1966-12-01), Telford
patent: 3621171 (1971-11-01), Yoshioka
patent: 3899650 (1975-08-01), Kishi et al.
patent: 3946184 (1976-03-01), Yoshioka et al.
Crout W. R.
Macon Robert S.
Westinghouse Electric Corporation
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