Patents for F01N 11 - Monitoring or diagnostic devices for exhaust-gas treatment apparatus (7,022)
06/2006
06/08/2006DE4426788B4 Verfahren zur Berücksichtigung des aktuellen Konvertierungsgrads einer Abgasreinigungsanlage Procedures to take account of the current conversion degree of an emission control system
06/08/2006DE10344910B4 Diagnoseverfahren und Diagnosesystem für Sekundärlufteinblasung unter Verwendung einer Druckrückkopplung Diagnostic method and diagnostic system for secondary air using a pressure feedback
06/08/2006DE102004000065A1 Controlling the regeneration of a particulate filter for an internal combustion engine comprises spatially resolved modeling of the combustion of particulates in the filter
06/07/2006EP1666122A1 Particulate filter of the type being able to be regenerated
06/07/2006EP1664500A1 Method for determining a temperature downstream the entry of a catalytic converter for a turbocharged engine
06/07/2006EP1664498A1 Exhaust gas aftertreatment device for diesel engines of vehicles, preferably passenger cars
06/07/2006EP1664494A1 Exhaust gas purification device for internal combustion engines and method for operating the same
06/06/2006US7055495 Compression ignition internal combustion engine
06/06/2006US7055494 Low heat generation fuel injection system
06/06/2006US7055310 System for detecting deterioration of a purifier utilizing a non-linear filter
06/01/2006DE102004056639A1 Temperature device for determining the temperature of a metal carrier catalytic converter has flat layers of metallic conductive material
05/2006
05/31/2006EP1662101A1 Exhaust emission control device of internal combustion engine
05/30/2006US7051689 Failure diagnostic system for exhaust pressure increasing device
05/30/2006US7051520 Sulfur purge control method and exhaust gas purifying system
05/30/2006US7051515 Method and model for modeling a discharge phase of a nitrous oxide storage catalytic converter
05/25/2006US20060107730 Method and system for monitoring the functional capability of a particle detector
05/24/2006EP1540151B1 Method for determining the degree of ageing of an no sb x /sb -storage catalyst of an internal combustion engine, especially in a motor vehicle
05/24/2006EP1320668B1 Method for controlling the operation of a particle filter for internal combustion engine
05/24/2006DE102004055605A1 Method for determining of soot loading of particle filter in especially diesel engine calculating correct loading value in such way that pressure differential across filter previously determined from model is compensated for
05/24/2006DE102004053428A1 Examination of exhaust system formed with an internal combustion engine in a motor vehicle, comprises determining concentration of exhaust component using optical methods and selecting operating parameters of the engine
05/24/2006DE102004033325B4 Diagnosevorrichtung für einen Abgas-Sensor Diagnosis apparatus for an exhaust sensor
05/23/2006US7048891 Apparatus for detecting of defective catalyst
05/18/2006WO2006050844A1 Secondary air diagnosis in an internal combustion engine
05/18/2006WO2006003341A8 Method and device for managing the operation of a nitrogen oxide trap, and diagnosing its ageing condition
05/18/2006DE10358710B4 Verfahren zum Vorhersagen der Motor-Abgastemperatur A method of predicting the engine exhaust gas temperature
05/18/2006DE10256169B4 Hilfsluft-Zufuhrsystem sowie Steuerungsverfahren und Fehlfunktions-Diagnoseverfahren dazu Auxiliary air supply system and control method and malfunction diagnostic method to
05/18/2006DE102004053955A1 Sekundärluftdiagnose einer Brennkraftmaschine Secondary air diagnosis of an internal combustion engine
05/17/2006EP1657415A2 Engine Self-diagnosis system
05/16/2006US7043900 Turbocharged engine control system
05/16/2006US7043899 On-line catalyst monitoring using a Kalman filter
05/11/2006WO2006049044A1 Exhaust gas purification device
05/11/2006WO2006048192A1 Protective element for a probe, corresponding probe and honeycomb element
05/11/2006WO2006048107A1 Method for operating an internal combustion engine during engine-braking
05/11/2006WO2006048103A1 Method for controlling the operation of a heatable waste gas sensor of a motor vehicle
05/11/2006DE19849272B4 Verfahren zur Diagnose eines Abgasrückführungs(AGR)-Systems eines Verbrennungsprozesses A method of diagnosing an exhaust gas recirculation (EGR) system of a combustion process
05/11/2006DE19645202B4 Verfahren zur Überwachung der Konvertierungsrate eines Abgaskatalysators für eine Brennkraftmaschine Method for monitoring the conversion rate of an exhaust catalyst for an internal combustion engine
05/11/2006DE102005052990A1 Emission control device for an internal-combustion engine which has particle filter for collecting particles of exhaust gas and an inlet air clean up device installed with throttle with facility to monitor emission particles in filter
05/11/2006DE102004021660A1 Kraftfahrzeug Motor vehicle
05/10/2006EP1655461A1 Exhaust emission control device of internal combustion engine
05/09/2006US7043349 Method and system for inferring exhaust temperature of a variable compression ratio engine
05/09/2006US7040184 Starter
05/08/2006CA2525287A1 Method and system for emission control of a compression ignition locomotive engine
05/04/2006WO2006045975A1 Method and device for estimating the temperature of exhaust gases entering into a post-treatment system arranged downstream from a system for the treatment of said gases
05/04/2006DE102004050989A1 Verfahren zum Betreiben einer Abgasbehandlungsvorrichtung einer Brennkraftmaschine und Vorrichtung zur Durchführung des Verfahrens Method for operating an exhaust gas treatment device of an internal combustion engine and device for carrying out the method
05/04/2006DE102004050629A1 Method for determination of oxygen storage capacity of oxidation catalyst involves reaching maximum oxygen loading of oxidation catalytic converter after driving internal combustion engine over certain length of time
05/04/2006DE102004050628A1 Oxygen storage capacity testing method for use in oxidation catalytic converter of internal combustion engine, involves balancing discharge of oxygen in converter, and testing oxygen storage capacity based on balancing of oxygen discharge
05/03/2006EP1653058A1 Engine exhaust gas cleaning method and system
05/03/2006EP1651845A1 Exhaust gas control apparatus for internal combustion engine
04/2006
04/27/2006WO2006042987A1 System and method for regulating and regenerating a particulate filter of an internal combustion engine
04/27/2006US20060089783 Method for monitoring an exhaust gas system of a motor vehicle
04/27/2006US20060086095 Method fo regenerating a motor vehicle particle filter and system for controlling regeneration of such a filter
04/27/2006DE19758641B4 Control apparatus for exhaust gas recirculation in internal combustion engine - calculates target EGR rate according to standard rate and required amount of adjustment which is determined according to standard injection volume, target and actual injection timing
04/27/2006DE10334091B4 Motorregelungssystem Motor control system
04/27/2006DE102004051747A1 Internal-combustion engine operation comprises determining nitrogen oxide concentration, fill level, and operating temperature of the nitrogen oxide accumulator catalyst and correcting a signal off set
04/27/2006DE102004051745A1 Method for monitoring exhaust gas section of vehicle e.g. particle filter involves damping sound signals from sound pressure and sound damping amount is determined from sound pressure levels
04/25/2006US7035730 Method for diagnosing catalytic converter performance
04/20/2006DE10211345B4 Verfahren zum Bewerten des Aufwärmens eines Katalysators für einen katalytischen Konverter eines Kraftfahrzeugs A method for evaluating the warming up of a catalyst for a catalytic converter of a motor vehicle
04/20/2006DE102005010720A1 Mechanical device for monitoring of back pressures in exhaust gas systems has exhaust flow exerting pressure on one or more springs for mechanical sensing and indication of back pressure
04/20/2006DE102005005664A1 Operating an internal combustion engine comprises e.g. adjusting the interval between and duration of rich phase operation in response to the age state of a storage catalyst
04/19/2006CN1761812A Internal combustion engine transient fuel control
04/19/2006CN1252381C Method and model for modeling elimination phase of nitrogen oxide accumulating catalytic converter
04/18/2006US7031827 Computer algorithm to estimate particulate filter regeneration rates
04/18/2006US7030742 Dual channel air/fuel ratio gauge
04/13/2006DE102004048335A1 Exhaust system for internal combustion engine, motor vehicle, comprises exhaust line in which oxidation catalyst is arranged for treating exhaust gases coming from internal combustion engine
04/12/2006CN1250867C Device and method for determination of exhaust gas and catalyst temperature
04/11/2006US7024850 Exhaust gas purifying catalyst for internal combustion engine
04/06/2006DE10312440B4 Abgasreinigungsverfahren für Magerbrennkraftmaschinen Exhaust gas cleaning systems for lean burn engines
04/06/2006DE102004048136A1 Method for diagnosing a nitrogen oxide sensor arranged in the exhaust gas region of an I.C. engine comprises carrying out the diagnosis after switching off the engine in the after-running of a control device
04/05/2006EP1247008B1 Method for operating a three-way catalyst of an internal combustion engine
04/04/2006US7021129 Device and method for determining the state of aging of an exhaust-gas catalytic converter
04/04/2006US7021044 System for diagnosing deterioration of catalyst
03/2006
03/30/2006DE102005039882A1 System zum Diagnostizieren einer Verschlechterung eines Luft/Kraftstoff-Sensors System for diagnosing a deterioration of an air / fuel sensor
03/30/2006DE102004046917A1 Method for operating of device for catalytic conversion of unwanted constituents of exhaust gases into less harmful constituents entails deactivating heater unit as soon as indication of catalyser start is achieved
03/30/2006DE102004043933A1 Exhaust system for internal combustion engine of motor vehicle comprises catalytic converter and moisture sensor
03/30/2006DE102004043535A1 Verfahren zur Diagnose von zylinderbezogenen Einzelkatalysatoren einer Otto-Mehrzylinder-Brennkraftmaschine Method for the diagnosis of single cylinder-specific catalysts of an Otto multi-cylinder internal combustion engine
03/29/2006EP1640576A1 Apparatus and method for estimating NOx trap catalyst adsorption amount
03/29/2006EP1639240A1 Exhaust gas control apparatus for internal combustion engine
03/23/2006US20060059899 Apparatus and method for filtering particulate and NOx emissions
03/23/2006US20060059893 Method and device for determining a temperature variable
03/23/2006DE102005034022A1 Steuerung von NOx-Emissionen bei Wiederanlassvorgängen von Hybrid- und konventionellen Fahrzeugen Control of NOx emissions from restarting operations of hybrid and conventional vehicles
03/23/2006DE102004044825A1 Monitoring method for sealing of exhaust gas of internal combustion engine involves using sensor, which detects specific parameters of reducing agent and in case of deviation initiation of signal takes place
03/23/2006DE102004036388A1 Verfahren zum Betreiben einer Brennkraftmaschine, bei dem die Beladung eines Abgasstroms mit Rußpartikeln erfasst wird A method of operating an internal combustion engine, in which the loading of an exhaust gas stream with carbon black particles is detected
03/22/2006EP1637707A1 Method of operating an exhaust treatment device of an internal combustion engine and device for carrying out the method
03/22/2006EP1636468A1 Method and device for monitoring of a catalyst
03/22/2006CN1246580C Method for operating a catalyst
03/16/2006US20060053781 Method for operating a nitrogen ixide storage-type catalytic converter of an internal combustion engine, particularly of a motor vehicle
03/16/2006DE10316810B4 Verfahren zur Regelung einer Regeneration eines Partikelfilters Method for regulating a regeneration of a particle filter
03/16/2006DE102005040899A1 Akkumulationsmengenschätzvorrichtung, die einen Differenzialdruck eines Filters erfasst Accumulation amount estimating apparatus which detects a differential pressure of a filter
03/16/2006DE102005040867A1 Verfahren zur Diagnose einer Katalysatorleistung A method for diagnosing a catalyst performance
03/15/2006EP1633461A1 Method of operating a system comprising a diesel engine and a catalyst for exhaust gas purification
03/14/2006US7010908 Anomaly judgment apparatus for secondary air supply system
03/14/2006US7010907 Exhaust gas cleanup device for internal combustion engine
03/09/2006WO2006024950A1 Control apparatus and control method for internal combustion engine provided with secondary air supply
03/09/2006WO2005038207A9 Coated honeycomb body with a sensor
03/08/2006EP1631735A1 Method and apparatus for determining the activity and aging behavior of a catalyst
03/07/2006US7007461 System and method for controlling catalyst storage capacity
03/07/2006US7007458 Vehicle having an emission control device diagnostic computer
03/07/2006US7007457 Method for monitoring the light-off performance of an exhaust gas catalytic converter system
03/02/2006WO2006021748A1 Method and apparatus for reducing emission of particles and nox
03/02/2006US20060047407 Method for diagnosing catalytic converter performance
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