About 18 results
https://drivepatents.com/patents/1377770 · 1 Jan 2026
A vehicle includes an internal combustion engine having at least one cylinder bank, an exhaust system having a catalyst, and an engine control system with a controller configured to perform an operation to protect the catalyst during a cylinder misfire eve...
https://drivepatents.com/patents/947919 · 9 Dec 2015
This control device for an internal combustion engine is equipped with: an air/fuel ratio sensor (41) provided to the exhaust passage of an internal combustion engine; and an engine control device that controls the internal combustion engine on the basis o...
https://drivepatents.com/patents/971337 · 13 Aug 2014
The method involves determining an inlet temperature (T2) of exhaust gas entering a combustion chamber (21), and determining total amount of fuel injected into the combustion chamber (20). Temperature (T3) of the exhaust gas is estimated (22) from the inle...
https://drivepatents.com/patents/987988 · 31 Jul 2013
The method involves determining (11) an emission center value of a pollutant in the exhaust gas of an internal combustion engine, in which an amount of the pollutant is determined in the exhaust gas, while the internal combustion engine delivers a predeter...
https://drivepatents.com/patents/988433 · 24 Jul 2013
An air-fuel ratio control apparatus of the present invention includes a determination section and a reverse direction correction introducing section. The determination section determines whether or not an output of the downstream air-fuel ratio sensor fall...
https://drivepatents.com/patents/988739 · 17 Jul 2013
An air-fuel ratio control apparatus of the present invention comprises an inverse direction spike introducing section and an inverse direction spike interval setting section. The inverse direction spike introducing section introduces, while an air-fuel rat...
https://drivepatents.com/patents/990917 · 8 May 2013
An engine and one or more aftertreatment subsystems integrated into one system for optimization and control. At least one controller may be connected to the engine and the one or more aftertreatment subsystems. The controller may contain and execute a prog...
https://drivepatents.com/patents/995600 · 28 Nov 2012
A fuel injection control apparatus for controlling an amount of fuel injection into a fuel injection port of an intake passage in an internal combustion engine, the fuel injection control apparatus including a wall flow amount estimating section configured...
https://drivepatents.com/patents/997678 · 3 Oct 2012
A control system of an internal combustion engine is provided with an air flowmeter which is arranged in an engine intake passage, has a transition period from the initial operating state to the end operating state for obtaining the output value of the air...
https://drivepatents.com/patents/998964 · 29 Aug 2012
An internal-combustion engine (10) of the invention includes a catalyst (52) which has an oxidizing ability and is provided in an exhaust passage, wherein an air/fuel ratio of an air/fuel mixture is controlled so that the air/fuel ratio leaner than a theor...