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Zawacki; Garry Anthony
Livonia, MI
No. of patents:

Patent Number Title Of Patent Date Issued
8141346 System and method for monitoring reductant quality March 27, 2012
A method of operating an internal combustion engine having a reductant delivery and storage system in an emission control system, comprising of correlating a change in a monitored operating condition with a refill event to determine whether a reductant-diluting substance has been added
8136343 System for an engine having a particulate matter sensor March 20, 2012
A system for improving operation of an engine having a particulate matter sensor is presented. The system may be used to improve engine operation during cold starts especially under conditions where water vapor or entrained water droplets are present in vehicle exhaust gases. In one

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