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Induction heating system and method of output power control

  • US 7,696,458 B2
  • Filed: 06/03/2005
  • Issued: 04/13/2010
  • Est. Priority Date: 06/03/2005
  • Status: Active Grant
First Claim
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1. An induction heating power source, comprising:

  • a power source controller operable to direct the induction heating power source to produce a desired output to heat a work piece to a desired temperature, wherein the power source controller is operable to receive a signal representative of an operational parameter of the induction heating power source and is operable to limit the output of the induction heating power source to a level below the desired output to heat the work piece to the desired temperature when the signal representative of an operational parameter of the induction heating power source achieves a first threshold value; and

    wherein the induction heating power source comprises a temperature controller operable to provide a signal to direct the power source to produce the desired output to heat the work piece to the desired temperature, wherein the power source controller controls the output of the power source based on the signal from the temperature controller and the signal representative of an operational parameter of the power source.

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