Transformer apparatus with rectifiers

Details Transformer apparatus with rectifiers Transformer apparatus with rectifiers

1989-12-27

1991-06-11

Shaw, Clifford C.

Electric heating

Metal heating

For bonding with pressure

219116, 363126, B23K 1124

Patent

active

050234234

ABSTRACT:
A transformer apparatus for use with a welding gun includes four transformer/rectifier assemblies each including a transformer having a secondary winding and a rectifier, a terminal plate connected to the secondary winding through the rectifier, and a center tap terminal plate connected to an intermediate portion of the secondary winding. The terminal plate and the center tap terminal plate are disposed on one side of the transformer, and the transformers of the transformer/rectifier assemblies are disposed side by side. The terminal plates of the transformer/rectifier assemblies are disposed closely to each other in confronting relation. First and second conductive bodies interconnect the terminal plates and the center tap terminal plates of the transformer/rectifier assemblies. The transformer/rectifier assemblies are symmetrically disposed.

REFERENCES:
patent: 3460022 (1969-08-01), Riley
patent: 3495067 (1970-02-01), Sciaky
patent: 3840720 (1974-10-01), Wolf
patent: 4571669 (1986-02-01), Tsujii et al.
patent: 4682000 (1987-07-01), Holt et al.
patent: 4750101 (1988-07-01), Morita

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