| Patents for F01N 11 - Monitoring or diagnostic devices for exhaust-gas treatment apparatus (7,022) |
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| 04/28/2011 | DE102009045883A1 Verfahren zum Betreiben einer Abgasnachbehandlungsvorrichtung Method for operating an exhaust gas aftertreatment device |
| 04/28/2011 | DE102009045881A1 Verfahren zur Überwachung der Funktion eines Dosierventils in einer Dosiereinrichtung eines SCR-Katalysatorsystems Method for monitoring the function of a metering valve in a metering device of an SCR catalyst system |
| 04/27/2011 | CN102032060A Fuel control system and method for more accurate response to feedback from an exhaust system |
| 04/27/2011 | CN102032032A Method and apparatus for monitoring a hydrocarbon-selective catalytic reduction device |
| 04/21/2011 | US20110088372 Exhaust gas purification apparatus for internal combustion engine |
| 04/21/2011 | DE102010034437A1 Diagnosesysteme und -verfahren, die Stickoxidsensoren einsetzen Use diagnostic systems and methods, the nitrogen oxide sensors |
| 04/21/2011 | DE102010022683A1 Method for operation of exhaust-gas recycling plant attached to internal-combustion engine, involves heating lambda sensor on temperature given in advance in connection with beginning of internal-combustion engine |
| 04/20/2011 | EP2312137A2 Method for diagnosing an anomaly in an exhaust line of a combustion engine equipped with a particle filter |
| 04/20/2011 | EP2310647A1 Method for diagnosing failures of an internal combustion engine exhaust line filter |
| 04/20/2011 | EP2310646A1 Method for operating a urea-water solution metering system |
| 04/20/2011 | EP2225443B1 Abnormality detection system and abnormality detection method for internal combustion engine |
| 04/20/2011 | CN102027210A Real time doser efficiency monitoring |
| 04/20/2011 | CN102022170A Intrusive SCR efficiency testing system and method for vehicle with low temperature exhaust gas |
| 04/20/2011 | CN102022169A Exhaust diagnostic systems and methods for resetting after operation with poor reductant quality |
| 04/20/2011 | CN102022168A Method of monitoring function of selective catalytic reaction (SCR) catalyst |
| 04/14/2011 | US20110083641 System and method for operating a turbocharged engine |
| 04/14/2011 | US20110083639 Cylinder deactivation to reduce fuel enrichment after fuel cutoff modes |
| 04/14/2011 | US20110083425 Integrated fuel catalyst monitor |
| 04/14/2011 | US20110083424 Method and apparatus for monitoring a reductant injection system in an exhaust aftertreatment system |
| 04/14/2011 | US20110083423 Atmosphere learning device for oxygen concentration sensor |
| 04/14/2011 | US20110083422 Systems and methods for controlling regeneration of nitrogen oxide adsorbers |
| 04/14/2011 | DE102010036152A1 Systeme und Verfahren zur intrusiven Prüfung des SCR-Wirkungsgrades für Fahrzeuge mit Niedertemperaturabgas Systems and methods for intrusive examination of the SCR efficiency for vehicles with low-temperature exhaust gas |
| 04/14/2011 | DE102010017360A1 Verfahren zum Korrigieren eines NOx-Sensors und NOx-Erfassungsvorrichtung A method for correcting a NOx sensor and the NOx detection device |
| 04/14/2011 | DE102009039929A1 Verfahren zum Ermitteln der Sauerstoffspeicherkapazität Method for determining the oxygen storage capacity |
| 04/13/2011 | EP2307868A1 System and method for correcting the measurement of a pre-turbine pressure sensor |
| 04/13/2011 | EP2307224A2 Display device |
| 04/13/2011 | EP2193262B1 Gas sensor fitting structure |
| 04/13/2011 | CN102011633A Durability evaluating method of selective catalytic reduction (SCR) catalytic converter |
| 04/13/2011 | CN102011632A Control circuit for monitoring automobile exhaust system and control method thereof |
| 04/07/2011 | WO2011041585A2 System, method, and apparatus for determining aftertreatment fluid quality |
| 04/07/2011 | WO2011039438A1 Device for injecting a gaseous reducing agent into an exhaust line |
| 04/07/2011 | US20110082622 Method and device for diagnosing the dynamics of an exhaust gas sensor |
| 04/07/2011 | DE102009045376A1 Verfahren und Vorrichtung zur Diagnose der Dynamik eines Abgassensors Method and apparatus for dynamic diagnosis of an exhaust gas sensor |
| 04/07/2011 | DE102009024576B4 Differenzdrucksensor Differential pressure sensor |
| 04/06/2011 | EP2305977A1 Abnormality determination system for filter |
| 04/06/2011 | CN101240751B Post catalyst oxygen sensor diagnosis |
| 04/05/2011 | US7918082 Method and device intended for desulfation of a nitric oxide trap and regeneration of a particle filter |
| 03/31/2011 | WO2011036360A2 Combustion engine system comprising a catalyst |
| 03/31/2011 | WO2011002839A3 System and method for detecting diesel particulate filter conditions based on thermal response thereof |
| 03/31/2011 | WO2010151690A3 APPARATUS, SYSTEM, AND METHOD FOR ESTIMATING DETERIORATION OF A NOx SENSOR RESPONSE RATE |
| 03/31/2011 | US20110077845 Fuel control system and method for improved response to feedback from an exhaust system |
| 03/31/2011 | US20110077818 Method and device for the diagnosis of an nox sensor for an internal combustion engine |
| 03/31/2011 | US20110072790 Method and apparatus for monitoring a hydrocarbon-selective catalytic reduction device |
| 03/31/2011 | US20110072789 Particulate matter sensor and exhaust gas purification apparatus |
| 03/31/2011 | US20110072788 Gasoline particulate filter regeneration and diagnostics |
| 03/31/2011 | US20110072787 Fuel control for spark ignited engine having a particulate filter system |
| 03/31/2011 | DE102010046747A1 Benzinpartikelfilterregeneration und Diagnose Gasoline particulate filter regeneration and diagnosis |
| 03/31/2011 | DE102010036153A1 Exhaust diagnostic system for vehicle has test enabling module that initiates selective catalyst reduction (SCR) efficiency test after failing SCR efficiency test and while temperature of catalyst is within predetermined temperature range |
| 03/31/2011 | DE10114456B4 Vorrichtung und Verfahren zur Koordination von abgasrelevanten Maßnahmen Apparatus and method for coordination of emission-related measures |
| 03/30/2011 | EP2301649A1 Process for the determination and to follow the activity of a denitration catalyst |
| 03/30/2011 | EP1685315B1 Control system of an internal combustion engine |
| 03/30/2011 | CN101995263A Method and apparatus for detecting oscillations |
| 03/30/2011 | CN101994592A Dosing control system and method |
| 03/30/2011 | CN101994561A Monitoring the light-off temperature of catalyst |
| 03/30/2011 | CN101994560A Method and device for regenerating a particle filter having an exhaust gas probe situated in the exhaust gas duct downstream thereof |
| 03/30/2011 | CN101994549A Method and apparatus for exhaust aftertreatment of internal combustion engine |
| 03/24/2011 | WO2011034744A2 Surface gap soot sensor for exhaust |
| 03/24/2011 | WO2011032933A1 Device for diagnosing a particle filter |
| 03/24/2011 | WO2011032871A1 Arrangement and method for operating an exhaust gas post-treatment device |
| 03/24/2011 | WO2011032779A1 Arrangement and method for operating an exhaust gas aftertreatment device |
| 03/24/2011 | DE102009042376A1 Device for testing exhaust system, has tested component of exhaust system, is pressurized with exhaust gas, where unit is provided for introducing additional medium in exhaust gas in line |
| 03/24/2011 | DE102009029517A1 Anordnung und Verfahren zum Betreiben einer Abgasnachbehandlungsvorrichtung Arrangement and method for operating an exhaust gas aftertreatment device |
| 03/23/2011 | EP2071145B1 Engine exhaust purifying apparatus |
| 03/23/2011 | EP2046481B1 Method and arrangement for testing a particulate filter for an internal combustion engine |
| 03/23/2011 | CN101988422A Method and system for verifying the operation of an SCR catalyst |
| 03/23/2011 | CN101988421A Methods and systems for diagnostics of an emission system with more than one SCR region |
| 03/18/2011 | CA2714544A1 Systems and methods for closed loop emissions control |
| 03/17/2011 | US20110061368 Particulate matter sensor and exhaust gas purifying apparatus |
| 03/17/2011 | US20110061367 Exhaust system for internal combustion engine |
| 03/17/2011 | US20110061363 Exhaust diagnostic systems and methods for resetting after operation with poor reductant quality |
| 03/17/2011 | DE102010025382A1 Verfahren zum Überwachen von Ammoniakspeicherung in einem Abgasnachbehandlungssystem A method for monitoring ammonia storage in an exhaust aftertreatment system |
| 03/17/2011 | DE102009029408A1 Method for monitoring function of selective catalytic reaction-catalyst system of internal combustion engine, involves monitoring building of negative pressure in selective catalytic reaction-catalyst system |
| 03/16/2011 | EP2295762A1 Engine and saddle-riding type vehicle including the same |
| 03/16/2011 | EP2295751A1 Exhaust system |
| 03/16/2011 | EP2295748A1 Method of dosing reagent |
| 03/16/2011 | EP2295747A1 Method of dosing reagent |
| 03/16/2011 | EP2034147B1 Engine exhaust emission control device |
| 03/16/2011 | CN101985894A Method of monitoring hydrocarbon levels in a diesel particulate filter |
| 03/10/2011 | WO2011028338A2 Dilution system test apparatus with added capability and method of operating same |
| 03/10/2011 | WO2011027228A1 Improvements in emission control |
| 03/10/2011 | WO2011026531A1 Metering system |
| 03/10/2011 | US20110056188 Exhaust purification apparatus for internal combustion engine |
| 03/10/2011 | DE102010033133A1 Sytstem und Verfahren zur Steuerung von Systemen für selektive katalytische Reduktion Sytstem and method for controlling systems for selective catalytic reduction |
| 03/10/2011 | DE102010026317A1 Ammoniakspeicherungs-Sollwertsteuerung für Anwendungen für selektive katalytische Reduktion Ammonia storage setpoint control for applications for selective catalytic reduction |
| 03/10/2011 | DE102009040328A1 Verfahren zum Bestimmen des Beladungszustandes eines in den Abgasstrang einer Brennkraftmaschine eingeschalteten Partikelfilters sowie Einrichtung zum Reduzieren der Partikelemission einer Brennkraftmaschine A method for determining the loading state of a turned-on in the exhaust gas system of an internal combustion engine, the particulate filter and means for reducing the particle emissions of an internal combustion engine |
| 03/10/2011 | DE102009040111A1 Dosiersystem Dosing |
| 03/10/2011 | CA2771079A1 Dilution system test apparatus with added capability and method of operating same |
| 03/09/2011 | EP2292915A1 Controlling exhaust gas recirculation in a turbocharged engine system |
| 03/09/2011 | CN1950228B Method and device for operating a hybrid vehicle |
| 03/09/2011 | CN101155980B Method for positioning a sensor in a honeycomb element, corresponding honeycomb element, and motor vehicle |
| 03/08/2011 | US7900614 Self-calibrating NOx sensor |
| 03/03/2011 | WO2011025413A1 Safety system for a vehicle and method for operating a vehicle exhaust gas after treatment system with a safety system |
| 03/03/2011 | US20110048001 Exhaust gas recirculation system of internal combustion engine |
| 03/03/2011 | US20110047979 Fuel-fired combustor |
| 03/03/2011 | US20110047978 Method for evaluating degradation of a particulate matter sensor |
| 03/03/2011 | US20110047977 Exhaust device for diesel vehicle |
| 03/03/2011 | US20110047970 HIGH EFFICIENCY NOx REDUCTION SYSTEM AND METHOD |
| 03/03/2011 | US20110047964 Methods, systems, and apparatuses of scr diagnostics |
| 03/03/2011 | DE102010026373A1 Identifikation von Ammoniakschlupfbedingungen in einer Anwendung für selektive katalytische Reduktion Identification of ammonia slip conditions in an application for selective catalytic reduction |
| 03/03/2011 | DE102009039775A1 Internal combustion engine operating method for motor vehicle, involves obtaining measured value for lambda sensor e.g. control sensor, which determines regulation of control parameter used during basic regulation |