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Welding power supply transformer apparatus and method

  • US 6,046,664 A
  • Filed: 03/05/1998
  • Issued: 04/04/2000
  • Est. Priority Date: 03/05/1998
  • Status: Expired due to Term
First Claim
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1. In a welder having a single phase power transformer for supplying power to a welding electrode, the improvement comprising a combined transformer and inductor assembly comprising:

  • a core having a first, second, third and fourth legs;

    a primary winding for receiving alternating current from a source, said primary winding being wound around said second leg of said core to comprise a transformer center leg;

    at least one secondary winding wound around said second leg of said core; and

    an inductor winding wound around said fourth leg of said core;

    said second leg of said core comprising a first outer leg of the transformer;

    said third leg of said core having at least one slit down the center of said third leg, wherein said slit creates two legs within said third leg comprising a second outer leg of the transformer and an inductor outer leg.

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