Ionization smoke detector

Details Ionization smoke detector Ionization smoke detector

G - Physics

08

B

358/21

G08B 17/10 (2006.01) G01N 27/64 (2006.01) G08B 17/113 (2006.01)

Patent

CA 1169590

D-213 IONIZATION SMOKE DETECTOR Abstract of the Disclosure An ionization smoke detector having a sensing chamber and including: a screen or mesh electrode enclosing and forming the outer limits of said sensing chamber, while fully exposing said sensing chamber to the ambient atmos- phere; a baffle means covering said electrode and in close proximity thereto, said baffle means having a plurality of slit-like openings spaced around the periphery thereof for permitting the transfer of ambient atmosphere to said sensing chamber; said openings of said baffle means con- stituting deflectors oriented to deflect any air currents directed normal to the surface of said baffle means so the air currents will enter said sensing chamber at an angle other than said normal angle.

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