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Cooling system including redundant fan controllers

  • US 6,932,696 B2
  • Filed: 01/08/2003
  • Issued: 08/23/2005
  • Est. Priority Date: 01/08/2003
  • Status: Active Grant
First Claim
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1. A cooling system comprising:

  • a first fan controller coupled to control a first plurality of fans;

    a second fan controller coupled to control a second plurality of fans;

    wherein during operation, said first plurality of fans and said second plurality of fans operate concurrently;

    wherein said first fan controller and said second fan controller are each configured to monitor said first and said second plurality of fans and to detect a failure in any of said first and said second plurality of fans;

    wherein in response to detecting a failure of a fan of said first plurality of fans, said second fan controller is configured to increase an operating speed of a corresponding fan of said second plurality of fans.

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