ULTRAVIOLET LIGHT FLAME DETECTOR
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United States of America Patent
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Jan 26, 2017
app pub date -
Sep 26, 2014
filing date -
Nov 27, 2013
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Abstract
A flame detector includes an ultraviolet (UV) sensor to detect UV radiation emitted by a flame; a testing apparatus to periodically test function of the flame detector. The testing apparatus includes a UV light emitting diode (UVLED) emitter to emit a test signal and a mirror to reflect the test signal emitted from the UVLED emitter to the UV sensor. A method of testing an ultraviolet (UV) flame detector includes transmitting a test signal from a UV light emitting diode (UVLED) emitter. The test signal is reflected toward a UV sensor of the flame detector, and the test signal received at the UV sensor is evaluated.
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