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Induction heater

  • US 8,426,781 B2
  • Filed: 02/22/2008
  • Issued: 04/23/2013
  • Est. Priority Date: 02/24/2007
  • Status: Active Grant
First Claim
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1. An induction heater, comprising:

  • an inverter body having an inlet formed in a bottom surface thereof;

    an inverter circuit board provided within the inverter body;

    an inverter heat dissipater mounted in the inverter body and contacting the bottom surface of the inverter body such that an inlet of the inverter heat dissipater is connected to the inlet of the inverter body, wherein the inverter heat dissipater is configured to blow air to a front and a rear of the inverter circuit board, the inverter heat dissipater comprising;

    an inverter heat dissipation blower configured to blow air into at least one of a first inverter heat dissipation space formed between the inverter body and the inverter circuit board or a second inverter heat dissipation space formed between the inverter body and the inverter circuit board; and

    an inverter guide provided between the inverter body and the inverter circuit board and configured to guide air blown by the inverter heat dissipation blower to the inverter circuit board; and

    a heat sink provided on a top surface of the inverter circuit board, wherein the heat sink dissipates heat from the inverter circuit board, and wherein an outlet divider divides an outlet of the inverter heat dissipation blower so that more air is blown into the first inverter heat dissipation space than into the second inverter heat dissipation space, andwherein the inverter guide comprises a plurality of guide ribs each having an end portion thereof that is closest to the heat sink bent toward the heat sink.

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