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METHOD OF MAKING ELECTRICAL TRANSFORMER MEANS

  • US 3,810,303 A
  • Filed: 07/23/1971
  • Issued: 05/14/1974
  • Est. Priority Date: 05/15/1969
  • Status: Expired due to Term
First Claim
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1. A method of making an improved electrical transformer comprising the steps of, providing metal core means having expOsed outer surface means at opposite ends of said core means, providing electrical coil meany having a plurality of winding layers adapted to be supported exteriorly of said exposed outer surface means, forming slot means between a pair of adjoining layers of said plurality of layers, said slot means extending across the full height of said coil means, supporting said coil means within said metal core means with said slot means arranged exteriorly of said exposed outer surface means, providing metal heat transfer means, and placing said metal heat transfer means within said slot means, whereby said metal heat transfer means extends outwardly from said slot means and transfers heat from within said assembled transformer to the exterior thereof to provide an improved more efficient transformer.

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