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Direct current welding system

  • US 5,233,159 A
  • Filed: 06/24/1992
  • Issued: 08/03/1993
  • Est. Priority Date: 06/24/1992
  • Status: Expired due to Fees
First Claim
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1. A welding system comprising:

  • a direct current source providing welding current and an applied voltage;

    an arcing electrode delivering welding current to a workpiece; and

    a tungsten member coupling the direct current source to the arcing electrode to limit the amount of welding current delivered to the workpiece without substantially reducing applied voltage.

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