| Patents for F01N 11 - Monitoring or diagnostic devices for exhaust-gas treatment apparatus (7,022) |
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| 04/23/2009 | DE102007044863A1 Catalytic converter temperature modeling method for e.g. passenger car, involves determining catalytic converter temperature based on input variable and actual parameter, and modeling converter temperature based on determined temperature |
| 04/22/2009 | EP2049891A1 Diagnosis of a cracked multi-chamber solid-electrolyte gas sensor |
| 04/22/2009 | EP2049786A1 Exhaust gas recirculation system of internal combustion engine |
| 04/22/2009 | CN101415917A Catalyst degradation diagnosis system and catalyst degradation diagnosis method |
| 04/22/2009 | CN100480494C Method and device for managing the operation of a nitrogen oxide trap, and diagnosing ageing condition |
| 04/21/2009 | US7521251 Calculating the sulfur concentration in gasoline by measuring sulfur stored in exhaust system, dividing by fixed conversion constant of sulfur oxides and mass of gasoline; pollution control |
| 04/21/2009 | US7520125 Method for controlling the amount of secondary air |
| 04/16/2009 | WO2009047098A1 Method for the detection of a contamination level of a particle sensor and particle sensor |
| 04/16/2009 | DE102007049171A1 Abgasstrang für eine Brennkraftmaschine mit diagnosefähigem Absperrventil sowie diagnosefähiges Absperrventil Exhaust line for an internal combustion engine with diagnosefähigem shut-off valve and check valve diagnosable |
| 04/16/2009 | DE102007048953A1 Hydrocarbon loading detecting method for activated charcoal filter of combustion engine of road motor vehicle, involves determining loading of activated charcoal filter from acoustic characteristic of activated charcoal |
| 04/16/2009 | DE102007048049A1 Verwendung eines Ionenleiters für einen Gassensor The use of an ion conductor for a gas sensor |
| 04/16/2009 | DE102006021303B4 Verfahren zur Überwachung und/oder Steuerung mindestens eines Abgasnachbehandlungssystems einer Brennkraftmaschine A method for monitoring and / or controlling at least one exhaust-gas aftertreatment system of an internal combustion engine |
| 04/15/2009 | EP2047083A1 Multi-stage turbocharger system |
| 04/15/2009 | EP2046481A2 Method and arrangement for testing a particulate filter for an internal combustion engine |
| 04/15/2009 | EP1960645B1 Method for the diagnosis of a catalytic converter which is arranged in an exhaust area of an internal combustion engine and device for carrying out said method |
| 04/15/2009 | EP1960642B1 Method for the diagnosis of a catalytic converter which is arranged in an exhaust area of an internal combustion engine and device for carrying out said method |
| 04/15/2009 | CN101410602A Exhaust gas purification system for internal combustion engine |
| 04/15/2009 | CN101410598A Exhaust gas purification system |
| 04/15/2009 | CN100478549C Multicylinder internal combustion engine |
| 04/09/2009 | WO2009044045A2 Method for managing the operation of at least one catalytic converter for internal combustion engine |
| 04/09/2009 | WO2009043711A1 Method for the self-diagnosis of a particle sensor, particle sensor suited for performing the method, and the use thereof |
| 04/09/2009 | US20090090339 Dual Mode Oxygen Sensor |
| 04/09/2009 | US20090090097 Method and apparatus for detecting a non-operational status of a catalyst in an engine exhaust conduit |
| 04/09/2009 | DE102007060332B3 Catalyst's deterioration-limited characteristics determining method for car, involves determining information concerning deterioration-limited characteristics of catalyst based on catalyst-specific model of oxygen storage capacity |
| 04/09/2009 | DE102007059139B3 Conversion characteristics information determining method for catalyst of car, involves determining information for differentiation between hydrocarbon and/or carbon monoxide-referred and nitrogen oxide-referred conversion characteristics |
| 04/08/2009 | CN101405485A Method and device for purging an injector in a fuel injector system of use in the regeneration of a particle filter |
| 04/07/2009 | US7514264 Method for estimating the sulfur content in the fuel of an internal combustion engine |
| 04/02/2009 | WO2009040641A1 Gas sensor fitting structure |
| 04/02/2009 | WO2009040485A2 Method and system for managing an exhaust gas processing module |
| 04/02/2009 | WO2009039965A1 Method for testing the functionality of an oxidation catalyst of an internal combustion engine |
| 04/02/2009 | US20090084097 Exhaust gas purifying apparatus for internal combustion engine |
| 04/02/2009 | US20090084084 Method and device for correcting the fuel concentration in the regeneration gas flow of a tank venting device |
| 04/02/2009 | DE102007045984A1 Verfahren zur Ermittlung der dynamischen Eigenschaften eines Abgassensors einer Brennkraftmaschine Method for determining the dynamic properties of an exhaust gas sensor of an internal combustion engine |
| 04/02/2009 | DE102006035411B4 Abgasemissionssteuervorrichtung für eine Brennkraftmaschine The exhaust emission control device for an internal combustion engine |
| 04/02/2009 | DE102005004619B4 Abgasemissionssteuersystem für einen Verbrennungsmotor und Abgasemissionssteuerverfahren An exhaust emission control system for an internal combustion engine and exhaust emission control method |
| 04/01/2009 | EP2042714A1 Method for determining the dew point in an exhaust line and apparatus for determinig the dew point in an exhaust line |
| 03/31/2009 | US7509801 Exhaust gas control apparatus for internal combustion engine |
| 03/26/2009 | WO2009036780A1 Nh3-monitoring of an scr catalytic converter |
| 03/26/2009 | US20090077953 Device and method of controlling exhaust gas sensor temperature, and recording medium for exhaust gas sensor temperature control program |
| 03/26/2009 | DE102008037647A1 Phasen- und frequenzfehlerbasierter, asymmetrischer LKV-Impuls-referenzverfolgungsalgorithmus unter Verwendung des Schaltausgangs eines dem Katalysator vorgeschalteten O2-Sensors Phase and frequency error based asymmetric AFR pulse reference tracking algorithm using the output of a shift catalyst the upstream O2 sensor |
| 03/25/2009 | EP2038526A2 Diesel exhaust treatment system catalyst monitoring |
| 03/19/2009 | WO2009016822A3 Exhaust gas purifying system |
| 03/19/2009 | DE10300555B4 Verschlechterungsermittelungsvorrichtung für eine Verbrennungsmotorabgassteuerungsvorrichtung und Verschlechterungsermittelungsverfahren Verschlechterungsermittelungsvorrichtung for an internal combustion engine exhaust gas control apparatus and Verschlechterungsermittelungsverfahren |
| 03/19/2009 | DE102007044001A1 Verfahren zur Steuerung eines Kraftstoffeinspritzsystems einer Brennkraftmaschine A method for controlling a fuel injection system of an internal combustion engine |
| 03/18/2009 | EP2035664A2 Exhaust gas purifying apparatus for internal combustion engine |
| 03/18/2009 | EP2035270A1 Method, apparatus , signals , and media, for selecting operating conditions of a genset |
| 03/12/2009 | WO2009030346A1 Operating and diagnostic method for an scr exhaust-gas aftertreatment system |
| 03/12/2009 | US20090064662 Method for mounting a probe to an exhaust gas treatment device |
| 03/12/2009 | DE102008037649A1 Closed-loop air heating system for diesel engine, includes heating device interlocked to alternator to increase engine load through alternator |
| 03/12/2009 | DE102008029877A1 Steuerungsorientiertes Modell zur LNT-Regeneration Control-oriented model for LNT regeneration |
| 03/12/2009 | DE102007049216A1 Exhaust gas system tightness testing method for motor vehicle, involves supplying smoke trail material i.e. paraffin oil, to exhaust strand, and removing fuel supply line for supplying trail material from connection element of supply device |
| 03/12/2009 | DE102007042749A1 Method for determination of specific nitrogen oxide emission as exhaust characteristic number of combustion engine, involves determining nitrogen oxide mass flow as operating characteristic |
| 03/12/2009 | DE102007042748A1 Verfahren und Vorrichtung zur Motorabgasmessung Method and apparatus for engine exhaust gas measurement |
| 03/11/2009 | EP2034148A1 Engine exhaust emission control device |
| 03/11/2009 | EP2034147A1 Engine exhaust emission control device |
| 03/11/2009 | EP1866526B1 Exhaust gas purifier for internal combustion engine |
| 03/11/2009 | CN101384804A System for particulate matter sensor signal processing |
| 03/05/2009 | WO2009027505A1 Method for verifying the aging condition of a catalytic converter on board a vehicle |
| 03/05/2009 | DE102007040439A1 Betriebs- und Diagnoseverfahren für ein SCR-Abgasnachbehandlungssystem Operating and diagnostic method for an SCR exhaust aftertreatment system |
| 03/04/2009 | EP2031370A1 Exhaust gas sensor |
| 03/04/2009 | EP2031207A1 Method for testing the aging state of a catalyst on board a vehicle |
| 03/04/2009 | EP2031206A1 Method for detecting failures in a particulate trap |
| 03/04/2009 | EP2031199A1 Exhaust emission purifier of internal combustion engine |
| 03/04/2009 | EP2029869A1 Bivalent internal combustion engine and method of operating a bivalent internal combustion engine |
| 03/04/2009 | EP2029867A1 Device and method for exhaust gas aftertreatment |
| 03/03/2009 | US7497076 Emission control system |
| 02/26/2009 | WO2009024704A1 System and method for regenerating a catalytic particle filter located in the exhaust line of a diesel engine |
| 02/26/2009 | WO2009024702A1 Method and device for diagnosing the operating state of an exhaust line of an internal combustion engine |
| 02/26/2009 | WO2009024622A2 System and method for selective catalytic reduction control |
| 02/26/2009 | US20090055072 Turbo speed sensor diagnostic for turbocharged engines |
| 02/26/2009 | US20090049899 Diagnostic method for an exhaust aftertreatment system |
| 02/25/2009 | CN101372912A Exhaust system monitoring methods and systems |
| 02/25/2009 | CN100464062C Oxygen-storing capability monitoring system and method for vehicle with catalytic converter |
| 02/24/2009 | US7493755 System for assisting the regeneration of depollution means for a motor vehicle engine |
| 02/19/2009 | WO2009022217A1 Nox sensor malfunction diagnostic device and malfunction diagnostic method |
| 02/19/2009 | WO2009021783A1 Exhaust system and method for operating the exhaust system |
| 02/19/2009 | WO2008149015A3 Method and device for adapting the temperature estimator of an exhaust gas post processing system |
| 02/19/2009 | US20090044612 Method to diagnose an exhaust gas sensor disposed in an exhaust gas region of an internal combustion engine and device to implement the method |
| 02/19/2009 | US20090044520 Intake Air Heater for Assisting DPF Regeneration |
| 02/19/2009 | US20090044514 Particulate Filter Regeneration |
| 02/19/2009 | DE102008014509A1 Method for determining mass of soot arranged in particle filter in exhaust gas system of internal combustion engine, involves determining parameter of particulate filter laden with soot using particulate specific input size |
| 02/19/2009 | DE102008014508A1 Exhaust-gas system operating method for motor vehicle, involves controlling exhaust-gas treatment element e.g. selective catalytic reduction catalyzer, arranged in downstream of different regions based on difference of temperature values |
| 02/19/2009 | DE102007057785B3 Method for determination of dwell time of oxygen probe for measurement of oxygen storage capacity of catalyzer of motor vehicle, involves determining value of voltage signal of oxygen probe or anticipatory process of voltage signal |
| 02/19/2009 | DE102007038516A1 Abgasanlage und Verfahren zum Betrieb der Abgasanlage Exhaust system and method of operating the exhaust system |
| 02/18/2009 | EP2025388A1 System and method for selective catalytic reduction control |
| 02/18/2009 | EP2024615A1 Method and device for operating an exhaust-gas aftertreatment system |
| 02/18/2009 | EP1620641B1 Method for operating an internal combustion engine, particularly of a motor vehicle |
| 02/17/2009 | CA2401410C State determining apparatus for exhaust gas purifier |
| 02/12/2009 | WO2008142342A3 Method of monitoring the effectiveness of a catalytic converter storing the noxs located in an exhaust line of an internal combustion engine and engine comprising a device implementing said method |
| 02/12/2009 | US20090038288 Filter Clogging Determination Apparatus for Diesel Engine |
| 02/12/2009 | DE102007037569A1 Exhaust gas after treatment system examining method for internal-combustion engine i.e. diesel engine, of motor vehicle, involves determining cause for excess of emission limit value based on comparison of number with threshold value |
| 02/12/2009 | DE102007037541A1 Method for operating drive chain of motor vehicle, involves detecting metrologically or analytically temperature of catalyzer of drive chain during throttle cutoff by temperature model |
| 02/11/2009 | EP2021607A1 Method and device for the diagnosis of the effectiveness of a catalytic converter |
| 02/11/2009 | EP1934447B1 Method for estimating an engine exhaust temperature and method for diagnosing a cylinder pressure sensor using an exhaust temperature estimate |
| 02/10/2009 | US7487660 Method and system for monitoring the functional capability of a particle detector |
| 02/05/2009 | WO2009016822A2 Exhaust gas purifying system |
| 02/05/2009 | US20090031704 Other-type fuel contamination determination apparatus for internal combustion engine |
| 02/05/2009 | DE102005035707B4 Verfahren zur Diagnose eines im Abgasstrang einer Brennkraftmaschine angeordneten Katalysators A method of diagnosing arranged in the exhaust line of an internal combustion engine catalyst |
| 02/04/2009 | CN101360895A Exhaust purification system for internal combustion engine and control method of the exhaust purification system |
| 02/04/2009 | CN101360892A Exhaust gas purifying apparatus for internal combustion engine |