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Dynamoelectric machine

  • US 8,350,424 B2
  • Filed: 09/14/2009
  • Issued: 01/08/2013
  • Est. Priority Date: 10/24/2008
  • Status: Expired due to Fees
First Claim
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1. A dynamoelectric machine comprising:

  • a stator having axial recesses and grooves for receiving a winding system which forms end windings on end sides of the stator;

    a rotor interacting with the stator; and

    heat pipes, each having an evaporation zone and a condensation zone and transporting heat essentially radially from the end sides of the stator, said heat pipes having a mesh at an end portion of the evaporation zone and/or of the condensation zone to increase a surface area of the evaporation zone and/or of the condensation zone, said mesh being thermally conductive and configured to realize a swirling of a flow of air in the evaporation zone and/or condensation zone,wherein the mesh of the condensation zone of each of the heat pipes is arranged in axial alignment with the recesses.

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