LINKWORK MECHANISM OF A GAS ANALYZER

The gas being analyzed for CO₂ and the air are brought into rotary motion in the gas and air chambers, 1 and 2, by fans 3 and 4 which are driven in opposite directions by electric motor 7. Shafts A and D of the gas and air impellers, 5 and 6, are not linked to the fan shafts, but are linked together by four-bar rocker arm linkwork ABCD. Mounted on shaft D of air impeller 6 is hand a. The pressure …