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https://drivepatents.com/patents/992395 · 20 Mar 2013
Disclosed is an internal combustion engine control device that is capable of satisfying a demand for raising the temperature of a catalyst by controlling a variable valve device in such a manner as to adjust the amount of internal EGR. The control device m...
https://drivepatents.com/patents/1101297 · 2 Oct 2002
A fuel metering method is described for setting a desired air-to-fuel ratio in the combustible mixture to a controlled auto-ignition engine in which intake air is admitted through a wide open throttle and controlled indirectly by varying the mass of residu...