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Internal thermal management for motor driven machinery

  • US 8,456,047 B2
  • Filed: 07/26/2010
  • Issued: 06/04/2013
  • Est. Priority Date: 07/25/2005
  • Status: Active Grant
First Claim
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1. A motor driven assembly comprising:

  • a motor having a motor inlet, a motor outlet, a shaft, and a rotor spaced radially outwards from said shaft;

    a cooling flow passage located radially outward from said shaft and radially inward from an inner surface of said rotor that fluidly connects said motor inlet and said motor outlet, wherein said cooling flow passage includes a cooling flow passage inlet located at a first end of said rotor and a cooling flow passage outlet located at a second end of said rotor; and

    a compressor in direct fluid communication with said motor outlet, said compressor having a compressor outlet in fluid communication with said motor inlet; and

    a heat exchanger outside of said motor and in fluid receiving communication with said compressor outlet.

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