EXHAUST GAS RECIRCULATION ESTIMATION SYSTEM
Application 1568/KOL/2007 published 2008-07-11, filed 2007-11-21
A control system and method for an exhaust gas recirculation (EGR) system of an engine includes a first sensor that senses fresh mass air flow, a second sensor that senses charge air flow, where the charge air flow is based on the fresh mass air flow and EGR exhaust flow, and a calculation module that determines a difference between the fresh mass airflow and the charge air flow and generates an EGR valve control signal based on the difference. No. of Pages : 18 No. of Claims : 20
Applicant
1)GM GLOBAL TECHNOLOGY OPERATIONS, INC.
:300 GM RENAISSANCE CENTER, DETROIT, MICHIGAN 48265-3000, U.S.A.
Inventor
1)SHERIF H. EL TAHRY 2)OGNYAN N. YANAKIEV
International Info
Classification: F02B33/00
Priority Information
11/646611 U.S.A. 2006-12-27