| Patents for F01N 11 - Monitoring or diagnostic devices for exhaust-gas treatment apparatus (7,022) |
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| 10/22/2009 | DE102008001213A1 Verfahren und Vorrichtung zur Diagnose der Dynamik eines Abgassensors Method and apparatus for dynamic diagnosis of an exhaust gas sensor |
| 10/22/2009 | DE10023080B4 Verfahren und Vorrichtung zur Überwachung einer Speicherfähigkeit eines NOx-Speicherkatalysators Method and device for monitoring a storage capacity of a NOx storage catalytic converter |
| 10/21/2009 | CN101563535A Control system of internal combustion engine |
| 10/21/2009 | CN100552410C Air purifying system and method for diagnosing malfunction thereof |
| 10/20/2009 | US7603845 Method and device for managing the operation of a nitrogen oxide trap, and diagnosing its ageing condition |
| 10/15/2009 | DE10326528B4 Abgasreinigungssystem mit einem Partikelfilter Emission control system with a particle filter |
| 10/15/2009 | DE102009008050A1 Systeme und Verfahren zum Überwachen von Harnstoff-Füllstand Systems and methods for monitoring of urea level |
| 10/15/2009 | DE102008017538A1 Internal-combustion engine operating method for motor vehicle, involves determining quality value and determining existence or non-existence of error of exhaust gas sensor depending on quality value |
| 10/15/2009 | DE102008001121A1 Verfahren zur Diagnose einer im Abgassystem einer Brennkraftmaschine angeordneten Abgassonde und Vorrichtung zur Durchführung des Verfahrens A method of diagnosing arranged in the exhaust system of an internal combustion engine exhaust gas probe and apparatus for carrying out the method |
| 10/15/2009 | DE102006055562B4 Verfahren und Vorrichtung zur Abschätzung der Rußemissionen eines Verbrennungsmotors Method and apparatus for estimating the soot emissions of the internal combustion engine |
| 10/15/2009 | DE102005044335B4 Verfahren zum Steuern des einer Brennkraftmaschine zugeführten Kraftstoff-/Luftverhältnisses A method of controlling an internal combustion engine supplied fuel / air ratio |
| 10/15/2009 | DE10028882B4 Verfahren zur Durchführung einer NOx-Regeneration eines NOx-Speicherkatalysators und Vorrichtung zur Ermittlung eines Abbruch-Lambdawertes A method for performing NOx regeneration of an NOx storage catalytic converter and device for determining a lambda value demolition |
| 10/14/2009 | EP2108792A1 Method for assessing the risk of desorption of ammonia stored in an SCR catalyst |
| 10/14/2009 | CN100549377C Control method for an exhaust gas purification system and an exhaust gas purification system |
| 10/08/2009 | WO2009101316A3 Method and device for regenerating an exhaust gas post-treatment device |
| 10/08/2009 | WO2009101311A3 Method for characterising the temperature of a particle filter using an equation |
| 10/08/2009 | US20090254264 Procedure and device for an adaptation of a dynamic model of an exhaust gas probe |
| 10/07/2009 | EP2107221A1 Exhaust emission purification method and exhaust emission purification system |
| 10/01/2009 | WO2009098419A3 Method of managing a device for the post-treatment of exhaust gases from an engine, including a low-frequency mode and a high-frequency mode of alternating the storage and purge phases |
| 10/01/2009 | US20090248280 Method and a device for operating a internal combustion engine |
| 10/01/2009 | US20090241517 Exhaust system implementing temperature-constraining regeneration strategy |
| 10/01/2009 | DE102009014459A1 Abgasreinigungssystem, Steuervorrichtung und Steuerverfahren hierfür Emission control system, control apparatus and control method therefor |
| 10/01/2009 | DE102008015256A1 Diagnoseverfahren und Diagnosesystem für einen Partikelfilter eines Verbrennungsmotors, insbesondere für einen Rußfilter in einem Dieselkraftfahrzeug Diagnostic method and diagnostic system for a particle filter of an internal combustion engine, in particular for a particulate filter in a diesel motor vehicle |
| 09/30/2009 | EP2035664B1 Exhaust gas purifying apparatus for internal combustion engine |
| 09/30/2009 | EP1778956B1 Method and apparatus for filter condition inspection |
| 09/29/2009 | US7594389 Method for diagnosing a secondary-air system of an internal combustion engine |
| 09/24/2009 | WO2009115759A2 Method of controlling the operation of at least one catalytic converter for an internal combustion engine |
| 09/24/2009 | WO2009115715A1 Method for detecting a failure of an injection electrovalve at the exhaust of a combustion engine |
| 09/24/2009 | WO2009115542A1 Diagnostic method and diagnostic system for a particle filter of an internal combustion engine, in particular for a soot filter in a diesel motor vehicle |
| 09/23/2009 | EP2102459A2 System and method for inhibiting uncontrolled regeneration of a particulate filter for an internal combustion engine |
| 09/17/2009 | US20090229356 NOx SENSOR ABNORMALITY DETECTION DEVICE AND EXHAUST GAS PURIFICATION SYSTEM USING THE SAME |
| 09/17/2009 | US20090229253 Exhaust gas purification system for internal combustion engine |
| 09/17/2009 | US20090229252 Method and device for monitoring a particle filter in the exhaust line of an internal combustion engine |
| 09/17/2009 | US20090229251 Exhaust purification control device and exhaust purification system |
| 09/17/2009 | US20090229249 Method for monitoring the nitrogen oxide storage capacity of a nitrogen oxide storage catalyst used in the form of a primary catalytic converter |
| 09/17/2009 | DE102009001018A1 Abgasreinigungsgerät für einen Verbrennungsmotor An exhaust gas purification device for an internal combustion engine |
| 09/17/2009 | DE102008014528A1 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 |
| 09/17/2009 | DE102008013133B3 Method for determining cause of functional impairment of lambda probe in exhaust gas system with catalyzer, involves arranging lambda probe before catalyzer in exhaust gas system in flow direction of exhaust gas |
| 09/17/2009 | DE102008000691A1 Verfahren und Vorrichtung zur Überwachung eines Zuluftsystems einer Brennkraftmaschine Method and apparatus for monitoring an air supply system of an internal combustion engine |
| 09/16/2009 | EP2100019A2 Estimation of exhaust gas temperature at the output of the egr circuit of a combustion engine |
| 09/16/2009 | EP1888897B1 Method and device for determining the oxygen storage capacity of the exhaust gas catalytic converter of an internal combustion engine, and method and device for determining a dynamic time duration for exhaust gas probes of an internal combustion engine |
| 09/16/2009 | CN100540858C Exhaust gas purification apparatus |
| 09/10/2009 | US20090223499 Diagnostic Method And Device For Operating An Internal Combustion Engine |
| 09/10/2009 | US20090223208 Exhaust gas purifying apparatus for internal combustion engine |
| 09/10/2009 | US20090223204 Sensor Element for Determining Different Gas Components in a Test Gas |
| 09/10/2009 | DE102008040593A1 Method for determining measure of water entry into exhaust duct of internal combustion engine, involves determining measure of water entry according to measure of supplied heat energy by heating element of exhaust sensor |
| 09/10/2009 | DE102008012900A1 Method for measuring fluid level of fluid in container, particularly urea water solution, involves heating fluid in heating unit, and temporary process comprises variable of heating unit, which detects heating process |
| 09/10/2009 | DE102008000567A1 Verfahren und Vorrichtung zur Unterscheidung einer fehlerhaft erwarteten von einer fehlerhaft erfassten Konzentration eines Abgasbestandteils eines Verbrennungsmotors Method and apparatus for distinguishing a defective expected from a faulty detected concentration of an exhaust gas component of an internal combustion engine |
| 09/09/2009 | EP2098695A2 Device and method for determining degradation of vehicle exhaust purification catalyst |
| 09/09/2009 | EP2097633A1 Control system of internal combustion engine |
| 09/09/2009 | EP2097623A1 Method for diagnosing that a nitrogen oxides trap has been poisoned |
| 09/09/2009 | EP2021607B1 Method and device for the diagnosis of the effectiveness of a catalytic converter |
| 09/09/2009 | CN100538033C Control method for an exhaust gas purification system and an exhaust gas purification system |
| 09/03/2009 | WO2009106973A1 Apparatus and method for diagnosing catalyst deterioration |
| 09/03/2009 | DE202006020734U1 Ölwanne für eine Brennkraftmaschine Oil pan for an internal combustion engine |
| 09/03/2009 | DE102009003469A1 Anomaliebestimmungsvorrichtung für einen elektrisch erwärmbaren Katalysator Abnormality determination apparatus for an electrically heatable catalytic converter |
| 09/03/2009 | DE102008024177B3 Verfahren, Vorrichtung und System zur Diagnose eines NOx-Sensors für eine Brennkraftmaschine A method, apparatus and system for the diagnosis of a NOx sensor for an internal combustion engine |
| 09/03/2009 | DE102008022785A1 Verfahren zum Betreiben eines Verbrennungsmotors zum Aufheizen eines selektiven Katalysator-Reduktors A method of operating an internal combustion engine for heating a selective catalyst reductor |
| 09/03/2009 | DE102008012050A1 Exhaust after-treatment system operating method for motor vehicle, involves regulating condition of catalyzer as continues input variable of engine control for regulation of exhaust after-treatment system |
| 09/03/2009 | DE102008010206A1 High temperature sensor for measuring exhaust gas temperature of motor vehicle, has sensor element connected with pipe in gas-tight manner by intermediate part that consists of metal powder injection part |
| 09/03/2009 | DE102008005881A1 Internal-combustion engine operating method for motor vehicle, involves changing reference value for air/fuel ratio until cylinder responsible for exceeding of threshold is identified when quality value exceeds given threshold value |
| 09/03/2009 | DE102006047188B4 Verfahren und Vorrichtung zum Überwachen einer Abgassonde A method and apparatus for monitoring an exhaust gas probe |
| 09/02/2009 | CN100535403C Exhaust gas control apparatus for internal combustion engine |
| 09/01/2009 | US7582480 Diagnostic process for an exhaust gas catalytic converter of a heat engine and vehicle using this process |
| 08/27/2009 | US20090211351 Portable vehicle exhaust flow sensor |
| 08/27/2009 | US20090211233 Abnormality determination apparatus for electrically heated catalyst |
| 08/27/2009 | US20090211232 Emission Treatment Systems and Methods Using Passivated Surfaces |
| 08/26/2009 | EP2092170A1 Method for operating a reagent metering valve and apparatus for carrying out the method |
| 08/26/2009 | CN101517217A Internal combustion engine and method of controlling the same |
| 08/26/2009 | CN100532800C Estimation of the temperature of a catalytic converter and corresponding applications |
| 08/26/2009 | CN100532797C Exhaust control device for internal combustion engine and method |
| 08/26/2009 | CN100532796C Supercharged diesel air discharging heater and method |
| 08/25/2009 | US7578321 Freeze protection for on-board vehicle emissions treatment system |
| 08/20/2009 | WO2009101316A2 Method and device for regenerating an exhaust gas post-treatment device |
| 08/20/2009 | WO2009101311A2 Method for characterising the temperature of a particle filter using an equation |
| 08/20/2009 | US20090205318 Fault detection system for pm trapper |
| 08/20/2009 | US20090205317 Exhaust gas cleaning apparatus for internal combustion engine |
| 08/20/2009 | DE10234340B4 Verfahren zur Bestimmung des Beladungszustandes eines Partikelfilters einer Brennkraftmaschine A method for determining the loading state of a particulate filter of an internal combustion engine |
| 08/20/2009 | DE102008008985A1 Method for oxygen storage capacity based-on-board diagnosis of e.g. oxidation catalyst, in motor vehicle, involves comparing oxygen storage capacity data with reference data, and determining plausible characteristic value for catalyst |
| 08/19/2009 | CN101512116A Diesel exhaust treatment system catalyst monitoring |
| 08/19/2009 | CN100529366C Engine exhaust purification apparatus |
| 08/19/2009 | CN100529348C Exhaust treatment system for processing exhaust gas from an engine and monitoring method thereof |
| 08/19/2009 | CN100529347C Catalyst condition monitor based on differential area under the oxygen sensors curve algorithm |
| 08/13/2009 | WO2009098419A2 Method of managing a device for the post-treatment of exhaust gases from an engine, including a low-frequency mode and a high-frequency mode of alternating the storage and purge phases |
| 08/13/2009 | US20090199543 Catalyst monitoring system and monitoring method |
| 08/13/2009 | US20090199542 Method for operating an internal combustion engine and device for implementing the method |
| 08/13/2009 | US20090199541 Method for operating an internal combustion engine and device for carrying out the method |
| 08/13/2009 | DE102008008533A1 Internal combustion engine's i.e. diesel engine, operation diagnosing method for vehicle, involves detecting error when consumption of reduction unit exceeds threshold value, where consumption is compared with another threshold value |
| 08/13/2009 | DE102008008532A1 Method for diagnosing operation of internal combustion engine with actuating element in exhaust system, involves determining expected value for size representing air mass flow for internal combustion engine in operating condition |
| 08/11/2009 | US7572305 Exhaust gas purification for internal combustion engines and method for operating the same |
| 08/06/2009 | US20090198435 Engine-controlling unit and engine-controlling method for an internal-combustion engine |
| 08/06/2009 | US20090193791 System for assisting regeneration of pollution management means associated with catalyst forming means |
| 08/06/2009 | DE102007011535B4 Hochtemperatursensor High temperature sensor |
| 08/05/2009 | EP2085583A1 Diagnosis device and method for a combustion engine particle filter |
| 08/05/2009 | CN101501309A Catalyst degradation diagnosis device |
| 08/05/2009 | CN101498235A Algorithm to diagnose leaks or blockages downstream of the secondary air injection reaction (sair) pressure sensor |
| 08/05/2009 | CN100523465C Internal combustion engine transient fuel control |
| 08/05/2009 | CN100523450C Air/fuel ratio control device for internal combustion engine |
| 08/04/2009 | US7568383 Portable vehicle exhaust flow sensor |
| 07/30/2009 | WO2009092465A1 Method and device for operating an internal combustion engine |