Page 67 - Methods For Monitoring And Diagnosing The Efficiency Of Catalytic Converters A Patent - oriented Survey
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Robert Bosch GmbH. 49
In this way AZ can be reliably determined for a variety of operating conditions rather than only
a few selected operating conditions.
standard air mass flow standard oscillation frequency
AZ'= AZ.
actual air mass flow actual oscillation frequency
A,?"= AT./?, (1 - k, . -) 14
*
AZ'
Fig. 20 (from DE41 12479)
