Infrared Integrated Systems Limited

Infarred Integrated Systems Limited

Christopher Frederick Carter

Bryan Lorrain Humphreys Wilson

Edwin Christopher Carter

Nicholas Frederick Stogdale

A flame detection apparatus has a focused array based sensor which is responsive to radiation having a predefined wavelength for generating an image of the infrared radiation emitted within a monitored region, and means for measuring the spectral ratio of the intensity of radiation having a first wavelength emitted within the monitored region to the intensity of radiation having a second wavelength emitted within the monitored region. Processing means analyzes the output of the focused array based sensor and the spectral ratio measuring means for responses indicative of the presence of a flame within the monitored region.

Fire detection sensors

A turbulent fluid, such as a flame, is examined using an array of infrared detector elements. The relationship between the thermal emissions received by different elements at different times is analysed, for example using correlation functions. This enables existence of a flame to be verified and the nature of the flame to be identified.

Detection of thermally induced turbulence in fluids

An array of detectors of electromagnetic radiation is positioned behind a pair of &ldquo;grade&rdquo; or &ldquo;variable&rdquo; filters and are inclined with respect to each other so that the detectors view a range of center wavelengths of varying bandwidths.

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Wooton, United Kingdom

Christopher Frederick Carter