Electricity: circuit makers and breakers – Liquid contact – Time delay
Patent
1977-02-15
1979-03-13
Macon, Robert S.
Electricity: circuit makers and breakers
Liquid contact
Time delay
200148C, H01H 3388
Patent
active
041444264
ABSTRACT:
A single barrel puffer circuit breaker apparatus is taught in which compressed sulfur hexafluoride gas is forced into the region of an arc. The arc is struck between hollow, cylindrical conductors during a circuit breaker opening operation. The heated gas is exited from the region of the arc by way of the internal portion of the hollow conductors. At the other ends of the hollow conductors the gas is vented into enlarged regions which are partially bounded by the single barrel. The single barrel provides the multiple functions of support, insulations and gas storage. Gas coolers are provided, one of which may cool the hot gase as it radially diffuses therethrough and the other of which may cool hot gas as it transversely diffuses therethrough. The coolers tend to reduce the energy of the gas by reducing its temperature and consequently its pressure, thus assisting in protecting the inner surface of the single barrel from charring and protecting the entire barrel from rupturing.
REFERENCES:
patent: 2481996 (1949-09-01), Grunewald et al.
patent: 3946183 (1976-03-01), Milianowicz
Kowalik Peter M.
Milianowicz Stanislaw A.
Macon Robert S.
Moran M. J.
Westinghouse Electric Corp.
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