Transformer for welding gun

Details Transformer for welding gun Transformer for welding gun

1983-03-07

1984-12-11

Pellinen, A. D.

Inductor devices

With temperature modifier

Hollow conductor coil

336183, 336223, 336232, H01F 2708

Patent

active

044881355

ABSTRACT:
A transformer for a welding gun has a reduced resistance and reactance thus drawing less current. The transformer is of substantially reduced weight and may be operated at high duty cycles and in a welding gun performing a large number of welds per hour. The transformer is formed of a hollow coil and coolant is flowed through the coil to directly cool the primary. The secondary is electrically insulated from the primary but physically adjacent the primary so that heat from the secondary is dissipated through the primary to the contact.

REFERENCES:
patent: 1394044 (1921-10-01), Stephens
patent: 1936309 (1933-11-01), Northrup
patent: 3503026 (1970-03-01), Geisel et al.
patent: 3728655 (1973-04-01), Reinke

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