Patents for F01N 11 - Monitoring or diagnostic devices for exhaust-gas treatment apparatus (7,022)
08/2013
08/08/2013DE102012201597A1 Method for dynamic diagnosis of gas sensor to monitor exhaust gas purification system of vehicle combustion engine, involves determining time profile of sensor signal, and comparing signal level of gradient with applied limit value
08/08/2013DE102012201594A1 Verfahren zur Signalaufbereitung für einen sammelnden Partikelsensor A method of signal processing for collecting particulate sensor
08/08/2013DE102011105986B4 Verfahren zur Überwachung einer Russmasse in einem Partikelfilter Method for monitoring a soot mass in a particle filter
08/08/2013DE102008053940B4 System zur Diagnose der Funktion eines Sauerstoffsensors hinter einem Katalysator System for diagnosing the function of an oxygen sensor after a catalyst
08/08/2013DE102008031646B4 Verfahren zur Erkennung eines Defektes eines Partikelfilters eines Kraftfahrzeuges durch Messung der Partikelbeladung des Filters A method for detecting a defect of a particulate filter of a motor vehicle by measuring the particle load of the filter
08/08/2013DE102006035305B4 Abgasreinigungsvorrichtung für eine Brennkraftmaschine An exhaust purification device for an internal combustion engine
08/08/2013DE102006017065B4 Temperatursensor-Rationalitätsdiagnose bei einem Dieseloxidationskatalysator (DOC) Temperature sensor rationality diagnosis of a diesel oxidation catalyst (DOC)
08/07/2013CN103237975A Method and device for operating internal combustion engine
08/07/2013CN103233829A Pollution treatment method and related device for finally discharged gas including automobile exhaust and the like
08/01/2013WO2013110873A1 Method for the thermal protection of the components of the exhaust line of a heat engine
08/01/2013US20130192210 Emission control system for internal combustion engine
08/01/2013US20130192209 Exhaust emission control device for internal combustion engine
08/01/2013DE102012001477A1 Verfahren zum Betreiben eines Verbrennungsmotors A method of operating an internal combustion engine
07/2013
07/31/2013EP2620342A2 Method, apparatus, signals, and media, for selecting operating conditions of a genset
07/31/2013EP2620341A2 Method, apparatus, signals, and media, for selecting operating conditions of a genset
07/31/2013EP2619426A1 Procedure for adaptively estimating the current soot loading of a particulate filter
07/31/2013EP2619424A1 Method and apparatus for filter condition inspection
07/31/2013CN103225534A Soot sensor monitoring
07/31/2013CN101988422B Method and system for verifying the operation of an SCR catalyst
07/31/2013CN101256165B Working method of lambda seeker
07/30/2013US8495862 System and method for detecting low quality reductant and catalyst degradation in selective catalytic reduction systems
07/25/2013US20130186073 Recovery control system
07/25/2013US20130186065 Sulfur accumulation monitoring systems and methods
07/25/2013DE102013200591A1 Abgassystem und Verfahren zur Steuerung eines Abgassystems Exhaust system and method for controlling an exhaust gas system
07/25/2013DE102012201033A1 Verfahren und Steuereinheit zur Bestimmung einer Totzeit eines Abgassensors Procedures and control unit for determining a delay time of an exhaust gas sensor
07/25/2013DE102012200917A1 Verfahren zum Erkennen einer Verstopfung eines Dosierventils eines SCR-Katalysatorsystems A method for detecting a blockage of a metering valve of an SCR catalyst system
07/25/2013DE102012001044A1 Method for determining operability of resistive soot sensor for monitoring particulate filter in motor car, involves outputting notification if change in signal falls below threshold value, where notification indicates malfunction of sensor
07/24/2013CN203081540U Diesel engine particulate matter collector regeneration burner and oil injection combustion-supporting combined regeneration system
07/24/2013CN103221654A Procedure for adaptively estimating the current soot loading of a particulate filter
07/24/2013CN103216300A Method of detecting thermal event in exhaust system and exhaust system configured for same
07/24/2013CN103216297A Exhaust system and method for controlling an exhaust system
07/24/2013CN102216583B Method for regenerating an open particle separator
07/24/2013CN101845983B On-board diagnostics of temperature sensors for selective catalyst reduction system
07/23/2013CA2541756C Vehicle evaporative system diagnostic
07/18/2013WO2013104872A1 Optimized management of an scr catalyst by means of the periodic regeneration of a particle filter
07/18/2013WO2011036360A3 Combustion engine system comprising a catalyst
07/18/2013US20130180322 Catalyst abnormality diagnosis apparatus
07/18/2013US20130180229 Method of detecting a thermal event in an exhaust system based on temperature gradients and exhaust system configured for same
07/18/2013DE102013200487A1 Verfahren zum Detektieren eines thermischen Ereignisses in einem Abgassystem auf Grundlage von Temperaturgradienten sowie dafür konfiguriertes Abgassystem A method of detecting a thermal event in an exhaust system on the basis of temperature gradients as well as for exhaust system configured
07/18/2013DE102013200341A1 Nichtinvasive Abgassensorüberwachung Non-invasive monitoring exhaust gas sensor
07/18/2013DE102013200338A1 Nichtintrusive Abgassensorüberwachung Non-intrusive monitoring exhaust gas sensor
07/18/2013DE102013200247A1 System und Verfahren zum Steuern einer Regeneration in einer Nachbehandlungskomponente eine Kompressionsgezündeten Motors System and method for controlling a regeneration of an aftertreatment component in a compression ignition engine
07/18/2013DE102012108350B3 Vorrichtung und Verfahren zur Rekalibrierung eines Abgasmassenstromsensors Apparatus and method for recalibration of an exhaust gas mass flow sensor
07/18/2013DE102011004562B4 Verfahren und Vorrichtung zum Betreiben einer Brennkraftmaschine Method and device for operating an internal combustion engine
07/18/2013DE10160704B4 Verfahren zum Betrieb von Abgasreinigungsvorrichtungen Method for the operation of exhaust gas purification devices
07/17/2013CN203067065U Three-way catalyst rapid detection device
07/17/2013CN101900025B System and methods to detect non-urea reductant filled in a urea tank
07/16/2013US8489308 Method for estimating oxygen concentration downstream a diesel oxidation catalyst
07/11/2013DE102012200107A1 Device for determining distribution of reducing agent ammonia in fluid stream in exhaust gas pipe of internal combustion engine of vehicle, has light source arranged outside pipe at light-transmitting area in angle around rotational axis
07/11/2013DE102011104233B4 Dosiersteuersystem für ein fahrzeug Dosiersteuersystem for a vehicle
07/11/2013DE102008026741B4 Verfahren zum Erfassen der Funktionsfähigkeit einer Lambda-Sonde in einem geregelten System A method of detecting the operability of a lambda probe in a controlled system
07/10/2013EP2612004A1 Method and system for exhaust cleaning
07/10/2013EP2612003A1 Method and system for exhaust cleaning
07/10/2013CN103195592A A method and observer for determining the exhaust manifold temperature in a turbocharged engine
07/10/2013CN102588058B Testing system for post-processing device of engine
07/10/2013CN102588045B Sampling device for exhaust particles of engine
07/10/2013CN102374001B Ageing failure diagnosis method of engine catalytic converter
07/09/2013US8479494 Exhaust gas sensor control system and control method
07/04/2013WO2013100845A1 Method and system for desulphurization of an aftertreatment system
07/04/2013US20130167507 System and method for regenerating the particulate filter in a diesel engine
07/04/2013DE102012218728A1 Method for monitoring nitrogen oxide storage catalyst of internal combustion engine, involves determining operability of storage catalyst, when differential value of actual air ratio over time is smaller than predetermined value
07/04/2013DE102012200038A1 Method for correction of Nernst voltage of Nernst cell of lambda probe during and after energizing Nernst cell, involves energizing electrically Nernst voltage or parameter deduced from it for identification of Nernst cell
07/04/2013DE102012200032A1 Method for dynamic-diagnosis of sensors of internal combustion engine, involves determining maximum inclination of step response of closed loop for sensor, where dynamic-diagnosis of sensor is performed based on determined time constant
07/03/2013CN203035322U On-line automatic diagnosis remote monitoring device of vehicle emissions
07/03/2013CN103184941A Natural gas engine and combustion method thereof
07/03/2013CN102224329B Catalyst deterioration diagnostic device for internal combustion engine
06/2013
06/27/2013WO2013092018A1 Method for monitoring a broadband lamdba probe
06/27/2013DE10335370B4 Verfahren zur applikativen Anpassung einer Motorsteuerung und nach dem Verfahren erhaltene Motorsteuerung A method for applicative adaptation of a motor control and motor control obtained by the method
06/27/2013DE102011122165A1 Method for determining performance of particulate filter of exhaust gas after-treatment system of e.g. motor car, involves computing separation degree of filter based on theoretical mass flow and actual mass flow of particulate matters
06/27/2013DE102011121805A1 Device for detecting defective particle filter e.g. wall-flow filter in exhaust system of internal combustion engine, has electrode which is destroyed when particulate filter is destroyed so that defective filter is detected
06/27/2013DE102011089503A1 Diagnostic procedure for particulate filter arranged in effluent stream of combustion engine, involves comparing detected particle mass concentration with selected particle mass concentration threshold value
06/27/2013DE102011077353B4 Kompensation einer Strom-Spannungs-Kennlinie einer Einzellen-Lambdasonde basierend auf einem gemessenen Gleichstromwiderstand Compensation of a current-voltage characteristic curve of a single-cell oxygen sensor based on a measured DC resistance
06/26/2013EP2606210A1 Method for operating a waste gas treatment device
06/26/2013CN203022848U Intelligent detachable diesel particulate filter (DPF)
06/26/2013CN103180562A Exhaust system having cross-sensitive sensor
06/20/2013US20130152546 Particulate Matter Detection Strategy In Exhaust Filter
06/20/2013US20130152518 Pulsed plasma regeneration of a particular filter
06/20/2013DE102011121099A1 Verfahren zum Betreiben einer Abgasreinigungseinrichtung sowie entsprechende Abgasreinigunseinrichtung A method of operating an emission control device and corresponding Abgasreinigunseinrichtung
06/20/2013DE102011104231B4 Systeme zur Steuerung der Abreicherung eines Katalysators für selektivekatalytische Reduktion (SCR) Systems for controlling the depletion of a catalyst for selective catalytic reduction (SCR)
06/20/2013DE102011089299A1 Method for thermal rejuvenation of resistive soot sensor utilized for monitoring particulate filter of diesel car, involves thermally rejuvenating soot sensor by removing matured soot particles, when soot concentration exceeds preset load
06/20/2013DE102011088705A1 Method for dosing reducing agent solution in selective catalytic reduction-catalyst system, involves detecting whether possibility of pressure drop in pressure line of selective catalytic reduction-catalyst system
06/20/2013DE102011088704A1 Method for determining end point of armature movement of magnet armature of reciprocating piston diaphragm pump in motor car, involves determining end point of armature movement from path and correction value in pressurized state of pump
06/20/2013DE102011088703A1 Method for measuring current flow of reciprocating pump in conveying module of silicon-controlled rectifier catalytic system of internal combustion engine, involves measuring main voltage simultaneously with measurement of current flow
06/20/2013DE102011056534A1 Verfahren zur Steuerung eines Abgassystems eines Dieselmotors A method of controlling an exhaust system of a diesel engine
06/19/2013EP2604818A1 Method and device for determining the criticality of the clogging of a particle filter with respect to the power of an internal combustion engine
06/19/2013EP2603683A1 Arrangement and method for controlling the quantity of a reductant introduced into an exhaust line of an internal combustion engine
06/19/2013CN103163048A Particulate matter sensor unit
06/19/2013CN103161546A Selective catalytic reduction (scr) system for nox storage
06/19/2013CN102213131B Exhaust gas purification system abnormality diagnosing device and abnormality diagnosing method, and exhaust gas purification system
06/19/2013CN102124190B Methods of increasing accuracy of soot load estimates
06/13/2013WO2013086358A1 Pitot tube connection
06/13/2013WO2013084041A1 Exhaust gas cleaning catalyst apparatus with control unit, exhaust gas cleaning method using said apparatus
06/13/2013WO2013084019A1 System for treating the exhaust gases of an internal combustion engine arrangement, and process for controlling an engine arrangement comprising such a system
06/13/2013US20130145930 Method and system for exhaust cleaning
06/13/2013US20130145822 Method and system for exhaust cleaning
06/13/2013DE112009002347B3 Ausgangssignalkalibriervorrichtung und Ausgangssignalkalibrierverfahren für einen NOx-Sensor Sign alkali Brier output device and output Sign alkali Brier method for a NOx sensor
06/13/2013DE102012111596A1 Vorrichtung und Verfahren zum Regeln von Emissionen in einer Brennkraftmaschine Apparatus and method for controlling emissions in an internal combustion engine
06/13/2013DE102011088296A1 Verfahren und Vorrichtung zur Dynamiküberwachung von Gas-Sensoren Method and apparatus for dynamic monitoring of gas sensors
06/13/2013DE102011015396B4 Verfahren zum Überprüfen von Komponenten eines Kraftwagens und Kraftwagen mit entsprechender Überprüfungseinrichtung A method for controlling components of a motor vehicle and motor vehicle with an appropriate monitoring device
06/13/2013DE102010017360B4 Verfahren zum Korrigieren eines NOx-Sensors und NOx-Erfassungsvorrichtung A method for correcting a NOx sensor and the NOx detection device
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