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AC winding with integrated cooling system and method for making the same

  • US 7,183,678 B2
  • Filed: 01/27/2004
  • Issued: 02/27/2007
  • Est. Priority Date: 01/27/2004
  • Status: Expired due to Fees
First Claim
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1. A winding of an electric machine comprising:

  • at least one series of serially connected AC bars, each AC bar comprising;

    a series of serially connected turns formed by litz wire having a plurality of strands; and

    at least one cooling tube, wherein individual strands of the plurality of strands are respectively positioned substantially adjacent to the at least one cooling tube at at least one transfer point for providing heat transfer from the respective individual strands to the at least one cooling tube.

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