About 147 results
https://drivepatents.com/patents/998203 · 19 Sep 2012
Concerning an internal combustion engine equipped with an NSR catalyst and an SCR, this invention is intended to provide an exhaust gas purification system for an internal combustion engine, the system being used to suppress degradation of emissions due to...
https://drivepatents.com/patents/998952 · 29 Aug 2012
In an internal combustion engine including an NSR catalyst and an SCR, to provide an exhaust purifying system that can limit aggravation of emissions by allowing the SCR to recover effectively from degraded performance caused by poisoning. An exhaust purif...
https://drivepatents.com/patents/999954 · 25 Jul 2012
The method involves determining temperature setpoint in upstream of a particle filter (12) of an exhaust line (5), where the temperature setpoint is a fixed value for initiating and/or maintaining combustion of soot contained in the particle filter or a va...
https://drivepatents.com/patents/1000492 · 11 Jul 2012
A NOx storing and reducing catalyst is disposed in an engine exhaust gas passage in which the catalyst stores NOx contained in the inflow exhaust gas when an air-fuel ratio of inflow exhaust gas is lean and releases and reduces the stored NOx when the air-...
https://drivepatents.com/patents/1001662 · 6 Jun 2012
To provide a control apparatus for an internal combustion engine that, in a turbocharged internal combustion engine including a waste gate valve, can favorably prevent an exhaust system part disposed downstream of a turbine from overheating, regardless of ...
https://drivepatents.com/patents/1002024 · 30 May 2012
An internal combustion engine in which an SOtrap catalyst (13) for trapping SOcontained in the exhaust gas contains an oxygen adsorbing and releasing material (54) which can adsorb SOcontained in the exhaust gas and an SOstorage material (55) which can sto...
https://drivepatents.com/patents/1002098 · 23 May 2012
A method for predicting a NOx amount may include detecting an 02 amount in an intake air, calculating a reference 02 amount in the intake air according to a driving condition of an engine, calculating a reference NOx amount contained in an exhaust gas acco...
https://drivepatents.com/patents/1002091 · 23 May 2012
A method for predicting a NOx amount, may include determining a reference NOx amount according to a driving condition of an engine, primarily correcting the reference NOx amount according to an exhaust gas recirculation (EGR) ratio, and secondarily correct...
https://drivepatents.com/patents/1003459 · 11 Apr 2012
The engine (1) has an exhaust gas purifying device (2) with a nitrogen oxide storage device (200) that absorbs and releases nitrogen oxides when temperature of exhaust gas is lower and higher than a clearance level, respectively. An electronic controller (...
https://drivepatents.com/patents/1003617 · 4 Apr 2012
The method involves guiding exhaust gas (PM) produced by an internal combustion engine (10) via a particulate filter (20) and a three-way catalytic coating (22). Air-fuel mixture supplied to the engine is adjusted to an air-fuel ratio with an average lambd...