Industrial electric heating furnaces – Arc furnace device – Power supply system
Patent
1983-07-18
1984-12-25
Envall, Jr., Roy N.
Industrial electric heating furnaces
Arc furnace device
Power supply system
373 78, H05B 711
Patent
active
044908270
ABSTRACT:
The disclosed arrangement refers specifically to a smelting arrangement which includes two metallurgical vessels serviced by a common, electrode carrying lid which is pivoted about a vertical axis as between one or the other position in relation to the two vessels. The current feed arrangement is designed such that beginning with a bus system extending from the transformer, conductors are run in a triangular arrangement down to a first plane, in freely sagging suspension and up again to the electrodes in such a manner that the conductors undergo a slight displacement only in the vertical suspension region near the transformer, equivalent to a slight torsion of a triangular prism, while the suspended portions of the conductors remain invarient during the pivoting about an axis that runs through the center of the triangle defined by the connect points at the transformer.
REFERENCES:
patent: 3366725 (1968-01-01), Watterson
patent: 3612739 (1971-10-01), Korneff
patent: 4425658 (1984-01-01), Bretthauer et al.
Envall Jr. Roy N.
Mannesmann AG
Siegemund Ralf H.
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