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ROTARY ELECTRIC MACHINE

  • US 20080012437A1
  • Filed: 06/12/2007
  • Published: 01/17/2008
  • Est. Priority Date: 06/29/2006
  • Status: Active Grant
First Claim
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1. A rotary electric machine comprising:

  • a stator;

    a rotor;

    rotor fans;

    a closed type frame containing the stator, the rotor and the rotor fans;

    a gas cooler for cooling gas that has been warmed as a result of being circulated in the frame by the rotor fans and exchanging heat with the stator and the rotor;

    a heat pump utilizing a first coolant as a high temperature heat source and a second coolant as a low temperature heat source; and

    a second coolant circulation system for supplying the second coolant to a heat exchange section of the gas cooler;

    whereinthe second coolant is cooled by the heat pump and supplied to the heat exchange section of the gas cooler by the second coolant circulation system.

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