| Patents for F01N 11 - Monitoring or diagnostic devices for exhaust-gas treatment apparatus (7,022) |
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| 05/14/2008 | EP1921437A2 Sensing device and method |
| 05/14/2008 | EP1921288A1 Method for regenerating particulate filter |
| 05/14/2008 | EP1920145A1 Method for monitoring an exhaust gas purifying component |
| 05/14/2008 | EP1805403B1 Method for operating an internal combustion engine during engine-braking |
| 05/14/2008 | CN100387812C Coated honeycomb body assembly with measurement sensor |
| 05/13/2008 | US7370632 System for providing assistance in regenerating depollution means integrated in an exhaust line of a vehicle diesel engine |
| 05/08/2008 | DE102007048751A1 Deterioration diagnostic system for air-fuel ratio sensor for linear increase or decrease of emission in account with air-fuel ratio of internal combustion engine, is attached at exhaust pipe of internal combustion engine |
| 05/07/2008 | EP1918542A1 Operating method for a particulate filter, data processor program product and control apparatus therefore |
| 05/02/2008 | WO2008050216A2 Catalyst deterioration detecting system of internal combustion engine |
| 05/01/2008 | US20080103684 Diagnosis Method for an Exhaust Gas Post-Treatment System |
| 04/30/2008 | EP1243769B1 Air-fuel ratio controller for internal combustion engines |
| 04/30/2008 | DE102007000537A1 Diagnosevorrichtung eines Abgasreinigungskatalysators The diagnostic device of a exhaust gas purifying catalyst |
| 04/30/2008 | DE102006048905A1 Verfahren zur Entschwefelung eines Speicherkatalysators und Vorrichtung zur Durchführung des Verfahrens A process for the desulfurization of a storage catalytic converter and a device for carrying out the method |
| 04/30/2008 | CN101169064A Oxygen storage capacity determination method of exhaust gas purification device |
| 04/24/2008 | WO2008048175A1 Method and arrangement for monitoring the functioning of an exhaust gas aftertreatment system |
| 04/24/2008 | US20080092524 Diagnosis device of exhaust purification catalyst |
| 04/24/2008 | US20080092523 Method For Diagnosing Cylinder-Associated Individual Catalytic Converters Of A Multicylinder Otto Cycle Internal Combustion Engine |
| 04/24/2008 | US20080092522 Method for Detecting Abnormality in Exhaust Emission Control Device |
| 04/24/2008 | DE102006049350A1 Fuel/air ratio adjusting method for internal combustion engine, involves displacing switching point of on-off controller while oscillation of test signal of lambda probe is analyzed, so that desired value of oscillation is reached |
| 04/24/2008 | DE102006049348A1 Fuel/air ratio adjusting method for internal combustion engine, involves displacing switching point of on-off controller while oscillation of test signal of lambda probe is analyzed, so that desired value of oscillation is reached |
| 04/24/2008 | DE102006002257B4 Verfahren und Vorrichtung zum Betreiben eines Abgaskatalysators einer Brennkraftmaschine Method and apparatus for operating an exhaust gas catalytic converter of an internal combustion engine |
| 04/23/2008 | EP1914399A1 Exhaust gas purifying apparatus |
| 04/23/2008 | EP1844220B1 Method for diagnosing the degree of ageing of a catalyst arranged in the exhaust gas channel of an internal combustion engine |
| 04/23/2008 | EP1794423B1 Method for diagnosing cylinder-based individual catalysts of a multi-cylinder spark ignited internal combustion engine |
| 04/23/2008 | CN101166963A Particulate sampling system having flow check device |
| 04/23/2008 | CN101165324A Particulate matter sensor for exhaust gas purifying apparatus |
| 04/23/2008 | CN100383371C Diagnostic apparatus for an exhaust gas sensor |
| 04/17/2008 | WO2008043930A1 Device and method for estimating the instantaneous nitrogen-oxide storage effectiveness of a nitrogen-oxide catalytic trapping system |
| 04/17/2008 | WO2008043422A1 Exhaust gas purification system for an internal combustion engine |
| 04/17/2008 | DE10223458B4 Verfahren zur Überwachung sowie Vorrichtung zur Abschätzung der Effizienz einer Abgasnachbehandlungsanordnung Procedures for monitoring and device for estimating the efficiency of an exhaust aftertreatment device |
| 04/17/2008 | DE102007005682B3 Method for operating internal combustion engine comprising exhaust gas catalytic converter, involves arranging exhaust tube and another exhaust tube for determining hydrocarbon grade depending upon measuring signal |
| 04/17/2008 | DE102006048045A1 Abgasreinigungsanlage für eine Brennkraftmaschine Emission control system for an internal combustion engine |
| 04/17/2008 | DE102006047188A1 Verfahren und Vorrichtung zum Überwachen einer Abgassonde A method and apparatus for monitoring an exhaust gas probe |
| 04/17/2008 | DE102006009989B4 Verfahren und Vorrichtung zum Betreiben einer Brennkraftmaschine Method and device for operating an internal combustion engine |
| 04/17/2008 | DE102005040899B4 Akkumulationsmengenschätzvorrichtung, die einen Differenzialdruck eines Filters erfasst Accumulation amount estimating apparatus which detects a differential pressure of a filter |
| 04/17/2008 | DE102005040867B4 Verfahren zur Diagnose einer Katalysatorleistung A method for diagnosing a catalyst performance |
| 04/16/2008 | EP1911944A2 Tailpipe exhaust gas mixer and method |
| 04/16/2008 | EP1911653A2 Vehicle control information transmission structure, vehicle control device using the transmission structure, and vehicle control simulator using the transmission structure |
| 04/16/2008 | CN101163867A Method of diagnosing the presence of an exhaust after-treatment component and a use of the method for vehicle on-board diagnosis |
| 04/16/2008 | CN100381681C Method and device for artificially ageing a catalytic converter |
| 04/15/2008 | US7357822 Filter control apparatus |
| 04/10/2008 | WO2008042048A1 Managing temperature in an exhaust treatment system |
| 04/10/2008 | WO2008040905A1 Diagnostics method and diagnostic device for a system for eliminating particles from exhaust gas |
| 04/10/2008 | WO2008020287A3 Catalyst monitoring system and method |
| 04/10/2008 | DE10325338B4 Verfahren zur Dämpfung von Druckschwingungen im Messsignal einer Lambdasonde A method for damping pressure vibrations in the measurement signal of a lambda probe |
| 04/10/2008 | DE10238056B4 Abgasreinigungsvorrichtung für einen Verbrennungsmotor An exhaust purification device for an internal combustion engine |
| 04/10/2008 | DE102007005684B3 Internal-combustion engine operating method for motor vehicle, involves determining high carbon quality value, which is representative for oxygen storage capability of catalytic converter, and determining nitrogen oxide quality value |
| 04/10/2008 | DE102006047190B3 Verfahren und Vorrichtung zum Überwachen einer Abgassonde A method and apparatus for monitoring an exhaust gas probe |
| 04/09/2008 | CN101158306A Internal-combustion engines exhaust gas purifying device and working method thereof |
| 04/09/2008 | CN100379963C Fuel injection control apparatus and fuel injection control method for internal combustion engine |
| 04/09/2008 | CN100379954C Regeneration control of diesel particulate filter |
| 04/03/2008 | WO2008002907A3 Diesel exhaust treatment system catalyst monitoring |
| 04/03/2008 | DE102007006487A1 Exhaust gas sensor diagnosing method for internal combustion engine, involves carrying out diagnosis only if preset variation of engine operating parameter and/or characteristic value of gas is detected during current engine operation |
| 04/03/2008 | DE102007003547A1 Internal-combustion engine's exhaust gas area diagnosing method for use in motor vehicle, involves determining measure for averaged conversion of device, comparing with threshold value and supplying error signal if measure falls below value |
| 04/03/2008 | DE102006053110B3 Lambda value verifying method for lambda sensor, involves comparing hops of temporal deflection occurring at inflection points of voltage signal with each other, and carrying out verification of indicated lambda value based on comparison |
| 04/03/2008 | DE102006044770A1 Lambda signals determining method for internal combustion engine i.e. direct-injection internal combustion engine, involves defining and storing deviation of variable measuring and characterizing lambda value from extrapolated variable |
| 04/03/2008 | DE102006044769A1 Internal combustion engine e.g. diesel engine, controlling method, involves operating engine with high portion of premixed combustion and lambda values, and inducing regeneration of catalytic converter by transition to operating mode |
| 04/03/2008 | DE102006044303A1 Method for determining addition of additive supported oxidation of soot particles, involves collecting soot particles on sensor, detecting method of oxidation and determining temperature at which oxidation begins |
| 04/03/2008 | DE102006034181B3 Temperatursensor Temperature sensor |
| 04/02/2008 | EP1904724A1 Method, device and computer program product for diagnosing of at least one exhaust emission control unit |
| 04/02/2008 | CN101155980A Method for positioning a sensor in a honeycomb element, corresponding honeycomb element, and motor vehicle |
| 04/02/2008 | CN101153566A Engine controller |
| 04/02/2008 | CA2604783A1 System and method for optimized fuel efficiency and emission output of a diesel powered system |
| 03/27/2008 | WO2008036010A1 Exhaust gas system |
| 03/27/2008 | WO2008034662A1 Filter element, in particular for filtering exhaust gases of an internal combustion engine |
| 03/27/2008 | WO2007034111A3 Methods for controlling and making particle filtering devices |
| 03/27/2008 | WO2007034097A3 System and method for regenerating a catalytic particulate filter located in a diesel engine exhaust line |
| 03/27/2008 | DE102007000476A1 Multiple cells closing condition checking method, involves supplying gas inside cells through one of end surfaces of comb structure body, and measuring condition e.g. pressure, of cells for estimating closing condition of cells at surfaces |
| 03/27/2008 | DE102007000474A1 Exhaust gas cleaning device for collecting particles in exhaust gas with exhaust filter arranged at outlet system of internal-combustion engine, has exhaust gas filter arranged in exhaust gas system of internal combustion engine |
| 03/27/2008 | DE102006043687A1 Filterelement, insbesondere zur Filterung von Abgasen einer Brennkraftmaschine Filter element, especially for filtering exhaust gases of an internal combustion engine |
| 03/27/2008 | DE102006042342A1 Vorrichtung zur Abgasnachbehandlung und deren Verwendung Apparatus for exhaust after treatment and their use |
| 03/27/2008 | DE102005049870B4 Verfahren und Vorrichtung zur Erkennung eines fehlerhaften Anschlusses eines Differenzdrucksensors Method and apparatus for detection of a faulty connection of a differential pressure sensor |
| 03/26/2008 | EP1714012B1 Device for determination of the state of a soot particle filter |
| 03/26/2008 | CN100376770C Apparatus and method for estimating nox trap catalyst adsorption amount |
| 03/20/2008 | WO2008032166A1 Catalyst deterioration monitoring system and catalyst deterioration monitoring method |
| 03/20/2008 | US20080070169 Method and apparatus for testing catalytic converter durability |
| 03/20/2008 | US20080066449 Exhaust Gas Purifying Device Of An Internal Combustion Engine |
| 03/20/2008 | US20080066447 Monitoring System For Internal Combustion Engine |
| 03/20/2008 | DE102007011535A1 High temperature sensor, particularly for measurement of exhaust gas temperature of motor vehicles, has resistance sensor and protective tube, and high temperature chip has connecting wires, which are provided with mechanical protection |
| 03/19/2008 | EP1900918A1 Particulate filter regeneration method |
| 03/13/2008 | WO2008028709A1 Device for exhaust-gas aftertreatment and use thereof |
| 03/13/2008 | WO2007148828A3 Exhaust gas purifying apparatus for internal combustion engine |
| 03/13/2008 | DE112006001069T5 Partikelaufnahmesystem mit Flussüberprüfungsvorrichtung Particulate sampling system with flow verification device |
| 03/13/2008 | DE102007000482A1 Exhaust gas recirculation system for internal combustion engine, has controller for actuating diagnostic mode for switching in or switching off actuator during operation of combustion engine |
| 03/13/2008 | DE102004009615B4 Verfahren zur Ermittlung der aktuellen Sauerstoffbeladung eines 3-Wege-Katalysators einer lambdageregelten Brennkraftmaschine A method for determining the current oxygen concentration of a 3-way catalyst of a lambda-controlled internal combustion engine |
| 03/12/2008 | EP1898063A1 Method and device for estimation of variables, in particular during operation of a motor vehicle |
| 03/12/2008 | EP1896908A2 Method and apparatus for controlling a component by feed-forward closed-loop controller state modification |
| 03/12/2008 | EP1896710A2 Regeneration control method for a particle filter |
| 03/11/2008 | US7340887 Method for monitoring a particle filter |
| 03/06/2008 | US20080059040 System for Evaluating Regeneration of Pollution Management Means Integrated in a Motor Vehicle Engine Exhaust Line |
| 03/06/2008 | US20080053187 Procedure for the dynamic diagnosis of an exhaust gas probe |
| 03/06/2008 | US20080053067 Procedure to acquire a sooty particle concentration in the exhaust gas of an internal combustion engine |
| 03/06/2008 | DE102006041479A1 Oxygen storage capacity determination method of exhaust gas purification system for combustion engine and for evaluation of quality of purification system, involves designing of oxygen level of purification system from difference quantity |
| 03/06/2008 | DE102006041478A1 Verfahren zur Ermittlung einer Rußkonzentration im Abgas einer Brennkraftmaschine Method for determining a soot concentration in the exhaust gas of an internal combustion engine |
| 03/06/2008 | DE102006041477A1 Verfahren zur Dynamik-Diagnose einer Abgas-Sonde A method for dynamic diagnosis of an exhaust gas probe |
| 03/06/2008 | DE102006041184A1 Schaltungsanordnung zum Betreiben einer Führungssonde Circuit arrangement for operating a guide probe |
| 03/05/2008 | CN101137830A Exhaust gas purification system for an internal combustion engine |
| 03/04/2008 | US7338642 Using a purification catalyst |
| 03/04/2008 | US7337658 Method for operating an internal combustion engine |
| 03/04/2008 | US7337608 Exhaust gas cleaning system |