Forward scatter smoke detector

Details Forward scatter smoke detector Forward scatter smoke detector

G - Physics

08

B

340/140.1

G08B 17/10 (2006.01) G01N 21/53 (2006.01)

Patent

CA 1169526

ABSTRACT A forward scatter smoke detector includes a light source and a photocell separated by a masking body such that light cannot impinge directly on the photocell from the source. These components are enclosed in a housing which has louvres allowing smoke to enter the housing and cause scattering of light to the photocell which signals an alarm condition. Instead of a flat light absorbing body the masking body is formed with a reflective surface, preferabiy conical or of a similar shape. The reflected light represents a substantial energy saving.

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