High frequency self-oscillating welding apparatus

Details High frequency self-oscillating welding apparatus High frequency self-oscillating welding apparatus

1983-06-21

1985-05-28

Shaw, Clifford C.

Electric heating

Metal heating

By arc

363 17, 363 98, 363132, B23K 910

Patent

active

045202559

ABSTRACT:
High frequency welding apparatus which includes a transformer and four transistor switches. The switches and the primary winding of the transformer are connected in a self oscillating or free running bridge configuration the operation of which is load dependent. Component damage due to overload conditions is thereby prevented and the voltage rating of the components may be equal to the voltage supplied to the bridge.

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