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FILTER SENSOR

  • US 20070277592A1
  • Filed: 05/30/2006
  • Published: 12/06/2007
  • Est. Priority Date: 05/30/2006
  • Status: Active Grant
First Claim
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1. A filter life sensor assembly within an air handling system which includes an air flow intake, an air flow exit, and a filter disposed between the air flow intake and air flow exit, the filter sensor assembly comprising:

  • a bypass connecting the air flow intake to the air flow exit;

    a dielectric sensor adjacent the bypass;

    wherein the dielectric sensor generates an electrical signal in response the air flow passing through the bypass.

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