| Patents for F01N 11 - Monitoring or diagnostic devices for exhaust-gas treatment apparatus (7,022) |
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| 06/22/2011 | CN201874644U Integrating device for tail gas postprocessor and silencer of diesel engine |
| 06/22/2011 | CN102105663A Catalyst deterioration diagnosis system and method for internal combustion engine |
| 06/22/2011 | CN102105662A Dosing system for use in an exhaust system of a combustion engine |
| 06/22/2011 | CN102105323A Display device |
| 06/22/2011 | CN102102593A Method for detecting the readiness of a lambda probe for functions in selected operating phases |
| 06/22/2011 | CN102102567A Method and apparatus used for diagnosing the dynamic performance of a waste gas sensor. |
| 06/22/2011 | CN102102566A Transient compensation method and system for nitrogen oxide discharging of automobile engine |
| 06/22/2011 | CN102102565A Method and device for on-board error diagnosis in operation of internal combustion engine of motor vehicle |
| 06/22/2011 | CN101006254B Method of determining abnormality in particulate filter |
| 06/16/2011 | US20110138813 Impurity detection in combustor systems |
| 06/16/2011 | US20110138783 Exhaust purifying system for internal combustion engine |
| 06/16/2011 | DE102010047506A1 Verfahren und Vorrichtung zum Überwachen eines Reduktionsmitteleinspritzsystems in einem Abgasnachbehandlungssystem Method and apparatus for monitoring a reducing agent injection system in an exhaust aftertreatment system |
| 06/16/2011 | DE102009058089A1 Bestimmung des linearen Zusammenhangs zweier mittels NOx-Sensoren bestimmter Signale in einem SCR-Abgasnachbehandlungssystem Determination of the linear relationship between two certain means of NOx sensors signals in an SCR exhaust aftertreatment system |
| 06/15/2011 | EP2333261A1 Catalyst degradation determination device for exhaust purification system |
| 06/15/2011 | EP2332634A1 Honeycomb body with sensor device |
| 06/15/2011 | CN101440739B Flexible fuel tolerant catalytic converter diagnostic method |
| 06/09/2011 | WO2011067518A1 System and method for estimating the mass of particles stored in a particle filter of a motor vehicle |
| 06/09/2011 | US20110137542 Methods and systems for exhaust gas mixing |
| 06/09/2011 | US20110131956 Catalyst degradation determination device for exhaust purification system |
| 06/09/2011 | US20110131955 Deterioration Rate Determination Method of Lambda Sensor and System Thereof |
| 06/09/2011 | US20110131954 Diesel particulate filter control |
| 06/09/2011 | DE102010062416A1 Kompressionszündungs-Brennkraftmaschine Compression-ignition internal combustion engine |
| 06/09/2011 | DE102010050060A1 Systeme und Verfahren zur Diagnose von Sauerstoffsensoren und katalytischen Wandlern von Abgassystemen Systems and methods for the diagnosis of the catalytic converters and oxygen sensors of exhaust systems |
| 06/09/2011 | DE102010036728A1 Verschlechterungsrate-Bestimmungsverfahren eines Lambdasensors und System dafür Deterioration rate determination method of a lambda sensor and system therefor |
| 06/09/2011 | DE102009055738A1 Verfahren zur Bestimmung des Zustandes eines Reduktionsmittels in einem Reduktionsmitteltank A method for determining the condition of a reducing agent in a reducing agent tank |
| 06/09/2011 | DE102009047648A1 Verfahren und Vorrichtung zur Diagnose von Abweichungen bei einer Einzelzylinder-Lambdaregelung Method and apparatus for the diagnosis of deviations for a single-cylinder lambda control |
| 06/09/2011 | DE102009047349A1 Verfahren zum Betreiben einer Sonde A method of operating a probe |
| 06/08/2011 | EP2034148B1 Engine exhaust emission control device |
| 06/08/2011 | CN201858017U Exhaust device for purifying tail gas of explosion-proof diesel engine |
| 06/08/2011 | CN101220952B Method and apparatus for testing catalytic converter durability |
| 06/03/2011 | WO2011064266A1 Reducing agent tank having a tank extraction system |
| 06/02/2011 | US20110126519 Control unit for turbocharged internal combustion engine |
| 06/02/2011 | US20110126517 Catalyst deterioration diagnosis system and method for internal combustion engine |
| 06/02/2011 | US20110126516 System and Method for Removing Particulate Matter from a Diesel Particulate Filter |
| 06/02/2011 | US20110126515 Sensor-integrated device |
| 06/01/2011 | EP2326809A1 Method for operating an exhaust emission control system having a scr-catalyst and an upstream oxidation catalyst exhaust emission control component |
| 06/01/2011 | DE10300671B4 Regenerationsvorrichtung für ein Filter und zugehöriges Verfahren Regeneration device for a filter and associated method |
| 06/01/2011 | DE10240400B4 Verfahren und Gerät zur Regelung der Kohlenwasserstoffinjektion in Motorabgas zur Reduktion von NOx Method and apparatus for controlling the hydrocarbon injection into the engine exhaust to reduce NOx |
| 06/01/2011 | DE102009056042A1 Method for determining conversion level of catalyzer arranged in exhaust system of internal combustion engine, involves computing surface temperature of catalyzer and determining light-off temperature of catalyzer |
| 06/01/2011 | DE102005000978B4 Vorrichtung zur Steuerung des Schadstoffausstoßes eines selbstzündenden Verbrennungsmotors Device for controlling pollutant emissions of a compression-ignition internal combustion engine |
| 06/01/2011 | DE102004007591B4 Verfahren zur Überprüfung der Konvertierungsfähigkeit eines Katalysators Procedures to verify the conversion efficiency of a catalyst |
| 06/01/2011 | DE10023791B4 Verfahren und Vorrichtung zur Steuerung eines Abgasreinigungssystems Method and apparatus for controlling an exhaust gas purification system |
| 05/26/2011 | WO2011061425A1 Method for monitoring polluting emissions of a combustion engine |
| 05/26/2011 | WO2011061424A1 Method for controlling a system for the treatment of exhaust gases from an internal combustion engine |
| 05/26/2011 | WO2011061423A1 Method for controlling pollutant emissions from a combustion engine |
| 05/26/2011 | US20110120104 Exhaust gas purifier |
| 05/26/2011 | US20110120096 Particulate matter measurement device |
| 05/26/2011 | US20110120095 System and method for monitoring catalyst efficiency and post-catalyst oxygen sensor performance |
| 05/26/2011 | US20110120091 Method and apparatus for monitoring the light-off temperature of a diesel oxidation catalyst |
| 05/26/2011 | US20110120088 Mass Based Methods And Systems For Estimating Soot Load |
| 05/26/2011 | DE102010047810A1 Systeme für die Sauerstoffsensor-Asymmetriediagnose und Verschlechterungskompensation Systems for the oxygen sensor asymmetry diagnosis and deterioration compensation |
| 05/26/2011 | DE102010047809A1 Systeme und Verfahren zum Steuern einer Regeneration von Stickoxidadsorbern Systems and methods for controlling a regeneration of Stickoxidadsorbern |
| 05/26/2011 | DE102009054127A1 Lambda sensor i.e. linear lambda sensor, heating activating method for exhaust gas system of petrol engine of vehicle, involves deciding whether to activate heating at early time point, and activating heating at early or later time point |
| 05/25/2011 | EP2324219A2 Malfunction diagnostic device for exhaust gas control device |
| 05/25/2011 | EP2324216A1 Method and device for controlling the regeneration of a particulate filter |
| 05/25/2011 | CN102071996A Method for operating dosing device and device used for executing method |
| 05/19/2011 | WO2011057359A1 Methods for determining exhaust emissions and efficiency of a vehicle and a display |
| 05/19/2011 | US20110113757 Exhaust purification system of internal combustion engine |
| 05/19/2011 | US20110113756 System, method and apparatus for fuel injector diagnostics |
| 05/19/2011 | US20110113751 Method and Device for Determining a Dynamic Time Duration for Exhaust Gas Probes of an Internal Combustion Engine |
| 05/19/2011 | DE102009052332A1 Device for verification of exhaust gas sensor e.g. lambda sensor, that is utilized during operation of internal combustion engine, has holder for fixing sensors, which are measured so that pre-determined flow speed exists at sensors |
| 05/19/2011 | DE102009046777A1 Method for calibration of e.g. nitrogen oxide sensor utilized in exhaust tract of internal-combustion engine of new vehicle, involves executing calibration and heating of sensor by measuring oxygen concentration in air in exhaust tract |
| 05/19/2011 | DE102009046771A1 Method for operating exhaust gas aftertreatment device for internal-combustion engine of motor vehicle, involves calculating multidimensional temperature field from axial temperature profile by using analytic relationship |
| 05/19/2011 | DE102009046749A1 Vorrichtung zum Betrieb eines Partikelsensors Device for operation of a particle sensor |
| 05/18/2011 | EP2321506A1 Dosing system for use in an exhaust system of a combustion engine |
| 05/18/2011 | EP2321505A1 Control of the regeneration of a particulate filter |
| 05/18/2011 | CN102061973A Method for diagnosing a catalytic device by estimating an aging index |
| 05/18/2011 | CN102061972A Exhaust gas aftertreatment device |
| 05/12/2011 | US20110107742 Reducing agent injection valve abnormality detection device and abnormality detection method |
| 05/12/2011 | US20110107741 Exhaust gas oxygen concentration control system and method |
| 05/12/2011 | US20110107740 System and method to operate fuel cell in the exhaust of an internal combustion engine |
| 05/12/2011 | DE102010046523A1 Verfahren zur Diagnose eines Brennkraftmaschinenabgassystems mit einem Partikelfilter A method for diagnosing an internal combustion engine exhaust system with a particle filter |
| 05/12/2011 | DE102009046433A1 Verfahren und Vorrichtung zur Überwachung einer Abgasreinigungsanlage Method and apparatus for monitoring an exhaust gas purification system |
| 05/12/2011 | DE102009046232A1 Verfahren zur Diagnose eines NOx-Messwertaufnehmers Method for diagnosing an NOx transducer |
| 05/11/2011 | EP2320043A1 Exhaust emission control device for internal combustion engine |
| 05/11/2011 | EP2318677A1 Catalyst deterioration diagnosis system and method for internal combustion engine |
| 05/11/2011 | EP2238324B1 Method and control device for controlling the reducing agent feed to a scr catalyst |
| 05/11/2011 | CN102052133A Reducing agent injection valve abnormality detection device and abnormality detection method |
| 05/11/2011 | CN102052132A Method and system for detecting a fault during catalyst light-off |
| 05/11/2011 | CN102052131A Method for monitoring heating system |
| 05/11/2011 | CN101512116B Diesel exhaust treatment system catalyst monitoring |
| 05/10/2011 | US7938944 Gas concentration measurement apparatus |
| 05/05/2011 | US20110106397 Fluid measuring device |
| 05/05/2011 | US20110099983 Reducing agent injection valve abnormality detection device and abnormality detection method, and internal combustion engine exhaust gas purification system |
| 05/05/2011 | US20110099977 Exhaust gas purification apparatus for internal combustion engine |
| 05/05/2011 | DE102010042442A1 Abgasrückführungssystem mit einem NOx-Sensor Exhaust gas recirculation system with a NOx sensor |
| 05/05/2011 | DE102010032353A1 Verfahren und System zum Verifizieren des Betriebs eines SCR-Katalysators A method and system for verifying the operation of an SCR catalyst |
| 05/05/2011 | DE102009050324A1 Method for operating exhaust gas sensor e.g. nitrogen oxide-sensor in internal combustion engine in motor vehicle for maintaining legal defined emission boundary value, involves setting value for determining impedance of sensor cells |
| 05/05/2011 | DE102009050221A1 Vorrichtung und Verfahren zur Diagnose eines Abgassensors Apparatus and method for diagnosing an exhaust gas sensor |
| 05/05/2011 | DE102009046391A1 Exhaust gas sensor operating method for diesel engine of passenger car, involves branching off exhaust gas flowing through capillary tube at upstream of dynamic pressure source that generates dynamic pressure in exhaust gas system |
| 05/05/2011 | DE102009046331A1 Device for determining temperature profile of e.g. particulate filter in exhaust gas duct of internal-combustion engine of motor vehicle, has tap provided between elements of thermoelectric generator to determine electrical voltage |
| 05/04/2011 | EP2317089A2 Exhaust system |
| 05/04/2011 | CN102046936A Method and device for recognizing combustion in a particle filter |
| 05/04/2011 | CN102042066A Systems and methods for controlling regeneration of nitrogen oxide adsorbers |
| 05/04/2011 | CN102042065A Method and apparatus for monitoring a reductant injection system in an exhaust aftertreatment system |
| 04/28/2011 | WO2011049774A2 Diagnostic method and apparatus for thermal regenerator after-treatment device |
| 04/28/2011 | WO2011048293A1 Method for detecting mechanical failure in a nitrogen oxide treatment system |
| 04/28/2011 | US20110094208 Method and device for controlling an exhaust gas post-treatment |
| 04/28/2011 | DE102010042226A1 Abnormality detector for use in particulate filter of exhaust gas-purification system of diesel engine for motor vehicles, has judging unit which determines if particulate filter is abnormal when difference value exceeds predetermined value |
| 04/28/2011 | DE102009045989A1 Method for monitoring heating system for reducing agent tank and dosing device of selective catalytic reduction catalyst system to operate internal combustion engine of motor vehicle, involves closing short circuit |