Welding system

Details Welding system Welding system

1982-07-29

1984-11-27

Albritton, C. L.

Electric heating

Metal heating

For bonding with pressure

219116, 336 62, B23K 1110

Patent

active

044852894

ABSTRACT:
An improved electrical resistance welder which provides the same welding current at the welding electrodes as prior welding device while requiring less input current, and providing lower reactance, less weight and overall increased efficiency. The resistance welder includes a transformer having a pancake type primary winding formed of a metal tube thrugh which a coolant is flowed. Portions of the primary winding are adjacent the transformer secondary and thus the primary winding also functions as a heat sink to cool the secondary.

REFERENCES:
patent: 3503026 (1970-03-01), Geisel et al.
patent: 4233489 (1980-11-01), Schwartz
patent: 4393293 (1983-07-01), Inoue et al.

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