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AIRFLOW SENSOR FOR FILTER BLOCKAGE DETECTION

  • US 20080198896A1
  • Filed: 07/19/2006
  • Published: 08/21/2008
  • Est. Priority Date: 07/19/2006
  • Status: Active Grant
First Claim
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1. A thermal management system comprising:

  • an active airflow sensor that measures airflow in an air path inside an enclosure to be cooled, wherein the air path includes a filter and a fan; and

    a controller responsive to the airflow sensor for monitoring the rate of airflow inside the enclosure and determining the condition of the filter.

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