Flammable gas detection

Details Flammable gas detection Flammable gas detection

G - Physics

08

B

340/147

G08B 21/00 (2006.01) G01N 27/16 (2006.01) G01N 33/00 (2006.01)

Patent

CA 2031325

FLAMMABLE GAS DETECTION Abstract of the Invention An oxygen sensor (1) with an inlet (2) connects with a small chamber (3). An inlet provided with a diffusion barrier (4) permits flammable gas and oxygen to enter the chamber. The oxygen concentration within the chamber is low, and a catalytic element (5) within the chamber causes combustion of flammable gas, thus consuming oxygen within the chamber. The signal from the oxygen sensor is processed to calculate a concentration for the flammable gas. (Fig. 1 to be used)

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