Page 70 - Methods For Monitoring And Diagnosing The Efficiency Of Catalytic Converters A Patent - oriented Survey
P. 70
52 Methods for Monitoring and Diagnosing the Efficiency of Catalytic Converters
Q, k2: constants dependent on probe arrangement and the catalytic converter volume
&,, : the volume of air measured at the intake of the engine.
The actual storage capacity of the catalytic converter is then calculated from the formula:
r n, I.%
AZ = J k, . AA, (1) Q,,,, (I) d/
TO
where
An,(/)= A,(/)-I
and k3 gives the content of oxygen in the air.
A
1-
Fig. 22 (from DE4128823)
