System for welding with multiple arcs

Details System for welding with multiple arcs System for welding with multiple arcs

2007-05-22

2007-05-22

Shaw, Clifford C. (Department: 1725)

Electric heating

Metal heating

By arc

Reexamination Certificate

active

11012559

ABSTRACT:
A system for welding with a first and second arc between a first and second electrode, respectively, and a common workpiece, where each of the electrodes is driven by a power lead from a single power source. The system comprises an inductor with a core, a center tap, a first end, a second end, a first coil section between the tap and the first end and a second coil section between the tap and the second end where the power lead is connected to the tap. A first circuit connecting the first arc in series with the first coil section and a second circuit connecting the second arc in series with the second coil section, a first separate auxiliary inductor in the first circuit between the first coil section and the first arc and a second separate auxiliary inductor in the second circuit between the second coil section and the second arc.

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European Search Report, EP 05 01 1923 Munich, Mar. 22, 2006, Jeggy, T.

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