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FLAME DETECTORS

  • US 20170032663A1
  • Filed: 07/26/2016
  • Published: 02/02/2017
  • Est. Priority Date: 07/28/2015
  • Status: Active Grant
First Claim
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1. A flame detector comprising:

  • a UV sensor sensitive to solar UV radiation;

    a secondary sensor sensitive to non-UV radiation; and

    a controller operatively connected to the UV sensor and the secondary sensor to;

    signal an alarm in response to receiving input from the UV sensor indicative of a strong UV source and input from the secondary sensor indicative of a weak non-UV radiation source; and

    suppress an alarm in response to receiving a signal from the UV sensor indicative of a weak UV source and a signal from the secondary sensor indicative of a strong non-UV radiation source.

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