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Coolant and ambient temperature control for chillerless liquid cooled data centers

  • US 9,250,636 B2
  • Filed: 04/04/2012
  • Issued: 02/02/2016
  • Est. Priority Date: 04/04/2012
  • Status: Active Grant
First Claim
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1. A cooling control method, comprising:

  • measuring the temperature of air provided to a plurality of nodes by an air-to-liquid heat exchanger;

    measuring the temperature of at least one component of the plurality of nodes and finding a maximum component temperature across all such nodes;

    comparing the maximum component temperature to a first and second component threshold and comparing the air temperature to a first and second air threshold; and

    controlling a proportion of coolant flow and a coolant flow rate to the air-to-liquid heat exchanger and to the plurality of nodes based on said comparisons.

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