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Portable welding-type apparatus with interchangeable energy storage device

  • US 7,183,517 B2
  • Filed: 11/26/2003
  • Issued: 02/27/2007
  • Est. Priority Date: 11/26/2003
  • Status: Active Grant
First Claim
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1. A portable welding-type power source comprising:

  • a rechargeable energy storage device configured to provide a first voltage output;

    a boost circuit connected to the energy storage device and configured to boost the first voltage output to a second voltage output to supply power to the welding-type power source according to a selected welding-type process; and

    a chopper circuit configured to receive the second voltage output and convert the second voltage output to a power output matched to the selected welding-type process.

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