| Patents for F01N 11 - Monitoring or diagnostic devices for exhaust-gas treatment apparatus (7,022) |
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| 02/06/2014 | DE102012213389A1 Device for operating internal combustion engine in motor vehicle, has diagnostic unit for temporarily correlating controlled change in set of output variables, where diagnostic value is determined based on correlation |
| 02/06/2014 | DE102004046882B4 Verfahren zum Betreiben einer Brennkraftmaschine, sowie zugehöriges Computerprogramm, elektrisches Speichermedium und Steuer- und/oder Regeleinrichtung zur Erfassung einer Zustandsgröße im Abgas der Brennkraftmaschine Method for operating an internal combustion engine, and associated computer program, electric storage medium and control and / or regulating device for detecting a state variable in the exhaust gas of the engine |
| 02/05/2014 | CN203420767U Urea spraying controller of diesel engine tail gas after-treatment system |
| 02/05/2014 | CN103562703A Sensor for detecting the quality of fluid |
| 02/05/2014 | CN103557063A Method and device for detecting failures of urea spraying system |
| 02/05/2014 | CN102052132B Method and system for detecting fault during catalyst light-off |
| 01/30/2014 | WO2014018857A1 Apparatus and method for determining ash amount in a particle filter |
| 01/30/2014 | WO2014016597A1 Exhaust gas treatment apparatus functionality check |
| 01/30/2014 | DE102013212441A1 Kinetikbasierte Verbesserung eines SCR-Steuerungsmodells Kinetikbasierte improvement of an SCR control model |
| 01/30/2014 | DE102012213068A1 Verfahren und Fehlersimulator zur Überprüfung der Fehlererkennung eines Steuergerätes Procedures and fault simulator for testing the fault detection of a control unit |
| 01/29/2014 | EP2690263A1 Device for detecting state of diesel particulate filter |
| 01/29/2014 | CN103547919A Method and device for operating an SCR system |
| 01/29/2014 | CN103541798A Mass flow meter based detection method for remaining ammonia amount of solid ammonia storage system |
| 01/29/2014 | CN103541797A Method for detection of nitrogen compounds contained in exhaust gases, especially internal combustion engine. |
| 01/29/2014 | CN102027210B Real time doser efficiency monitoring |
| 01/23/2014 | US20140020367 Vehicle having system and method of diagnosing secondary air injection apparatus |
| 01/23/2014 | DE102012212588A1 Method for diagnosing operability of exhaust gas sensor, involves comparing integral of heating power/temperature characteristic value with preset limit if integral of exhaust gas flow characteristic value is more than preset limit |
| 01/23/2014 | DE102012212580A1 Method for operating e.g. broadband-lambda sensor used in exhaust duct of Otto engine of passenger car, involves correcting Nernst-voltage as output signal of exhaust gas sensor according to measure of sensor aging |
| 01/23/2014 | DE102012113108A1 Fahrzeug mit einem system und einem verfahren zum diagnostizieren von sekundärlufteinblas-vorrichtung Vehicle with a system and a method for diagnosing device sekundärlufteinblas |
| 01/22/2014 | EP2687698A1 Method for detection of nitrogen compounds contained in exhaust gases, especially internal combustion engine. |
| 01/22/2014 | EP2687692A1 Particulate-matter processing device |
| 01/22/2014 | EP2686532A1 Emissions measuring system |
| 01/22/2014 | CN203403927U Dust-haze purification device for automobile exhaust |
| 01/22/2014 | CN103534453A Method for model-based determination of the temperature distribution of an exhaust gas post-treatment unit |
| 01/22/2014 | CN103534451A Storage vessel for a liquid, and method for measuring the electric conductivity of a liquid |
| 01/22/2014 | CN103527296A Method and device for testing SCR urea injection system |
| 01/22/2014 | CN103527295A Status indicator of ammonia cylinder |
| 01/22/2014 | CN103527294A Postprocessing system control method, postprocessing electronic control unit and controller |
| 01/16/2014 | WO2014012096A1 Method and system for mitigating urea deposits within an scr catalyst system |
| 01/16/2014 | DE102013212139B3 Method for removal of wedging of metering valve in metering system used for metering urea-water solution into engine, involves energizing magnet coil of valve for releasing wedging of valve under specific cooling water temperature |
| 01/16/2014 | DE102012106303A1 Gas exhaust system, useful for internal combustion engine of motor vehicle, comprises sensor to detect temperature, gas concentration, air-fuel ratio and oxygen concentration of exhaust gas, and protective elements placed in exhaust line |
| 01/16/2014 | DE102011118767B4 Verfahren zur Überwachung der Regeneration des Partikelfilters einer Verbrennungskraftmaschine Method for monitoring the regeneration of the particulate filter of an internal combustion engine |
| 01/16/2014 | DE102010047416B4 Verfahren und Steuergerät zur Dosierung eines Reduktionsmittelträgers stromauf eines SCR-Katalysators A method and control device for metering a reducing agent carrier upstream of an SCR catalyst |
| 01/16/2014 | DE102008017538B4 Verfahren und Vorrichtung zum Betreiben einer Brennkraftmaschine Method and device for operating an internal combustion engine |
| 01/15/2014 | CN103511048A Emission monitoring and controlling method and device of OBD system |
| 01/15/2014 | CN103511047A NOx sensor plausibility monitor |
| 01/15/2014 | CN103511046A System for sensing soot of diesel vehicle |
| 01/15/2014 | CN103511045A System for sensing SOF of diesel engine |
| 01/15/2014 | CN102116190B Novel ternary catalytic converter fault diagnosis method |
| 01/14/2014 | US8627655 Method and device for producing ammonia for the exhaust gas treatment in internal combustion engines in a motor vehicle |
| 01/09/2014 | WO2014007753A1 Method pertaining to an scr system and an scr system |
| 01/09/2014 | WO2014007749A1 Method for estimating quantity of sulphur accumulated in exhaust after treatment system |
| 01/09/2014 | US20140010261 High-temperature sensor for arrangement in a metal tube, especially inside the exhaust gas system of an internal combustion engine |
| 01/09/2014 | US20140007561 Catalytic converter warm-up control apparatus for hybrid vehicle |
| 01/09/2014 | US20140007559 Apparatus, system, and method for aftertreatment control and diagnostics |
| 01/09/2014 | DE102012211755A1 Method for suppressing interference with sensor systems in containers containing diesel exhaust fluid, involves attaching sensor and sensor electronics directly to container, where heating phase is coupled into media of measuring phase |
| 01/09/2014 | DE102012211717A1 Verfahren zum Betreiben einer Abgasanlage für eine Brennkraftmaschine Method for operating an exhaust system for an internal combustion engine |
| 01/09/2014 | DE102012211709A1 Method for checking cross sensitivity of ammonia in SCR catalyst system of diesel engine of motor car, involves recognizing fault of nitrogen oxide sensor in predetermined period according to increase in temperature of catalyst |
| 01/09/2014 | DE102012211705A1 Method for checking cross-sensitivity of ammonia of nitrogen oxide sensor in SCR catalyst system of diesel engine, involves determining nitrogen oxide concentration in exhaust gas between catalysts from nitrogen oxide model |
| 01/09/2014 | DE102012211703A1 Method for checking nitrogen oxide sensor in SCR catalyst system, involves introducing reducing agent into exhaust line upstream of catalyst for checking nitrogen oxide sensor, and avoiding ammonia slippage from catalyst |
| 01/09/2014 | DE102012211686A1 Method for controlling regeneration of diesel particulate filter in exhaust gas passage of combustion engine of vehicle, involves regulating heating capacity of filter such that flow and temperature conditions are monitored by filter |
| 01/09/2014 | DE102012211623A1 Method for determining operability of e.g. on-off lambda probe in exhaust gas passage of internal combustion engine, involves determining operational readiness by comparing value of parameter with predetermined threshold |
| 01/09/2014 | DE102012105953A1 Verfahren zur Bestimmung von Reduktionsmittelschlupf A method for the determination of reducing agent slip |
| 01/09/2014 | DE102012013221A1 Abgasnachbehandlungssystem für Brennkraftmaschinen Aftertreatment system for internal combustion engines |
| 01/09/2014 | DE102011056534B4 Verfahren zur Steuerung eines Abgassystems eines Dieselmotors A method of controlling an exhaust system of a diesel engine |
| 01/09/2014 | DE102010062348B4 Bestimmung einer Abgastemperatur Determining an exhaust gas temperature |
| 01/09/2014 | DE102007063747B4 Oxygen storage capacity finding process for catalytic converter involves reporting effective dead time, setting phase offset and correcting reported effective dead time |
| 01/08/2014 | EP2681424A1 Method for fault detection in an exhaust system |
| 01/08/2014 | EP2681423A1 Method for fault detection in an exhaust system |
| 01/08/2014 | CN103499638A Acoustic surface wave gas sensor with automobile exhaust monitoring function |
| 01/03/2014 | WO2014001054A1 Method for planning a vehicle diagnosis |
| 01/03/2014 | WO2014001053A1 Method for operating a vehicle |
| 01/02/2014 | US20140000354 System for sensing soot of diesel vehicle |
| 01/02/2014 | US20140000239 Method and apparatus to control regeneration of a particulate filter |
| 01/02/2014 | DE102013211781A1 Verfahren und vorrichtung zur steuerung einer regeneration eines partikelfilters A method and apparatus for controlling a regeneration of a particle filter |
| 01/02/2014 | DE102013100391A1 System zum abtasten von russ von einem dieselfahrzeug System to scan by russ of a diesel vehicle |
| 01/01/2014 | CN102105663B Catalyst deterioration diagnosis system and method for internal combustion engine |
| 12/27/2013 | WO2013192211A1 Filter regeneration using filter temperature modulation |
| 12/27/2013 | WO2013191728A1 Method and apparatus for two point calibration of a tunable diode laser analyzer |
| 12/27/2013 | WO2013190315A1 Method and apparatus for estimating a dosing-error in a selective catalytic reduction system |
| 12/27/2013 | WO2013189806A1 Method for the functional control of a sensor for detecting particles and sensor for detecting particles |
| 12/27/2013 | WO2013165300A3 Method for indicating function of a pressure sensor and an indication device pertaining to the method |
| 12/26/2013 | US20130340415 Particulate matter processing apparatus (as amended) |
| 12/25/2013 | EP2676017A1 Method for model-based determination of the temperature distribution of an exhaust gas post-treatment unit |
| 12/25/2013 | EP2491232B1 Method for detecting mechanical failure in a nitrogen oxide treatment system |
| 12/19/2013 | WO2013185862A1 Method for operating an exhaust gas system of a motor vehicle, and exhaust gas system for an internal combustion engine of a motor vehicle |
| 12/19/2013 | US20130338902 Method and device for carrying out a zero point adaptation of a lambda probe of an internal combustion engine |
| 12/19/2013 | DE102013210772A1 Nox-sensor-plausibilitätsüberwachungsgerät Nox sensor-plausibility monitor |
| 12/19/2013 | DE102012209967A1 Method of operating solenoid valve, involves comparing time integral with threshold value such that to judge state of solenoid valve |
| 12/19/2013 | DE102012011915A1 Method for diagnosing nitrogen oxide sensor associated to exhaust gas tract of internal combustion engine, involves determining waiting time, after which nitrogen oxide concentration has determined threshold value after switching engine |
| 12/18/2013 | EP2673479A1 Method of evaluating a fuel injector |
| 12/18/2013 | EP1566623B1 Device for measuring the quantity of solid particles in a gas medium |
| 12/18/2013 | EP1137592B1 REDUCING NOx EMISSIONS FROM AN ENGINE BY TEMPERATURE-CONTROLLED UREA INJECTION FOR SELECTIVE CATALYTIC REDUCTION |
| 12/18/2013 | CN103452676A Engine exhaust brake control system and control method |
| 12/18/2013 | CN102588057B Particulate matter sensor with prolonged service life |
| 12/18/2013 | CN102536407B Particulate matter sensor with improved measurement accuracy |
| 12/12/2013 | WO2013182617A1 Method and device for checking the hydraulic leak-tightness in an exhaust gas aftertreament system for a motor vehicle |
| 12/12/2013 | US20130327019 Particulate Oxidation Catalyst With Dual Pressure-Drop Sensors |
| 12/12/2013 | US20130327018 Method of monitoring a differential pressure sensor of an exhaust gas treatment system |
| 12/12/2013 | DE102013209783A1 Verfahren zum überwachen eines differenzdrucksensors eines abgasbehandlungssystems A method for monitoring a differential pressure sensor of an exhaust gas treatment system |
| 12/12/2013 | DE102012209538A1 Verfahren und Vorrichtung zum Überprüfen der Funktionstüchtigkeit von Hydraulikkomponenten in einem Abgasnachbehandlungssystem für ein Kraftfahrzeug Method and apparatus for checking the operability of hydraulic components in an exhaust aftertreatment system for a motor vehicle |
| 12/12/2013 | DE102010012082B4 Funktionsdiagnose eines Nach-Sauerstoffsensors mit minimaler Luftströmung Function diagnosis of post-oxygen sensor with minimal air flow |
| 12/12/2013 | DE102004010164B4 Abgasreinigungssystem für eine Brennkraftmaschine An exhaust gas purification system for an internal combustion engine |
| 12/11/2013 | EP2670958A1 Method and system for regeneration of a particle filter |
| 12/11/2013 | CN103437871A Motorcycle exhaust pipe connecting piece and oxygen sensor mounting structure with same |
| 12/11/2013 | CN103437862A Internal combustion engine and industrial waste gas exhaust filtering purifier |
| 12/05/2013 | WO2013180364A1 Apparatus and method of diagnosing fault of oxidation catalyst |
| 12/05/2013 | WO2013179131A1 Catalyst protection device and catalyst protection method for internal combustion engine |
| 12/05/2013 | WO2013178495A1 Method for operating an exhaust gas system |
| 12/05/2013 | US20130318948 Soot sensor functional capability monitoring |