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Pump and fan control concepts in a cooling system

  • US 7,591,302 B1
  • Filed: 12/08/2003
  • Issued: 09/22/2009
  • Est. Priority Date: 07/23/2003
  • Status: Expired due to Fees
First Claim
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1. A method of controlling a fluid flow rate and an air flow rate, for cooling at least one heat-generating device in a cooling system comprising a controller, at least one sensor, at least one fan for generating an air flow, and a fluid loop comprising at least one pump for generating a fluid flow, a heat rejector, a heat exchanger mechanically and thermally coupled with the at least one heat-generating device, and a thermally conductive fluid, the method comprising the steps of:

  • measuring a first temperature using the at least one sensor, wherein the at least one sensor is a first temperature sensor coupled to the heat exchanger and positioned to measure the temperature within the heat exchanger;

    pumping the thermally conductive fluid through the fluid loop;

    controlling the fluid flow rate and the air flow rate based on the first temperature such that the first temperature is maintained below a maximum allowable temperature, wherein the controller controls the at least one fan and the at least one pump to set the fluid flow rate and the air flow rate.

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