Transformer and power supply for pulse-arc welding station

Details Transformer and power supply for pulse-arc welding station Transformer and power supply for pulse-arc welding station

1991-05-06

1993-08-17

Shaw, Clifford C.

Electric heating

Metal heating

By arc

2191301, B23K 909

Patent

active

052371530

ABSTRACT:
A transformer (12) and power supply (10) for powering one or more welding stations (24). A spacing layered (12E) is inserted between the primary windings (12A, 12B, 12C) and the secondary windings (12F, 12G, 12H) so as to control the degree of coupling between these windings. In addition, impedances (11, 14, 17) may be used individually or collectively, alone or with the transformer (12), to achieve a desired output voltage-output current characteristic for the power supply (10). The output voltage at the connections (20, 21) of the power supply (10) drops off at a rate selected to minimize heating in the welding stations (24) while maintaining the quality of the weld being performed.

REFERENCES:
patent: 3016484 (1962-01-01), Mulder et al.
patent: 3054884 (1962-09-01), Manz et al.
patent: 3335259 (1967-08-01), Mulder et al.

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