| Patents for F01N 11 - Monitoring or diagnostic devices for exhaust-gas treatment apparatus (7,022) |
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| 01/12/2010 | US7644579 Emission control system |
| 01/07/2010 | WO2010001029A1 Method for diagnosing failures of an internal combustion engine exhaust line filter |
| 01/07/2010 | WO2010000981A1 Combined management of regeneration and sulphur removal for motor vehicle |
| 01/07/2010 | DE10217455B4 Verfahren zum Betrieb eines NOx-Adsorbers sowie NOx-Adsorber-Steuerung Method for operating a NOx adsorber and NOx adsorber control |
| 01/07/2010 | DE102008040079A1 Method for operating dosing device arranged partially in exhaust area of internal combustion engine, involves providing exchange-dosing operation beyond nominal-dosing operation |
| 01/06/2010 | EP1866529B1 Device for detecting state of thermal degradation of exhaust purifying catalyst |
| 01/06/2010 | CN100577996C Method and device for diagnosing oxide catalyst |
| 12/31/2009 | US20090320454 Catalyst monitoring system and method |
| 12/31/2009 | US20090320452 Method for determining the amount of particulate accumulated in a particulate filter |
| 12/31/2009 | US20090320451 Exhaust purification device of internal combustion engine |
| 12/31/2009 | US20090320450 Exhaust purification device of internal combustion engine |
| 12/31/2009 | DE102007024203B4 Überwachung einer Dosiermittelversorgung zum Behandeln von Abgas Monitoring a Dosiermittelversorgung for treating exhaust |
| 12/31/2009 | DE102004008172B4 Verfahren zur Ermittlung des Gütegrads eines einer Brennkraftmaschine eines Kraftfahrzeuges nachgeschalteten Abgas-Katalysators Method for determining the quality of a degree of an internal combustion engine of a motor vehicle exhaust gas downstream catalyst |
| 12/30/2009 | WO2009156281A1 Method for operating a urea-water solution metering system |
| 12/30/2009 | CN100575906C Particulate sampling system having flow check device |
| 12/30/2009 | CN100575677C Control apparatus and control method for internal combustion engine provided with secondary air supply |
| 12/24/2009 | US20090313974 Catalyst deterioration-determination device and method and engine control unit |
| 12/24/2009 | US20090313973 Procedure for operating a reagent metering device and device for implementing the procedure |
| 12/24/2009 | US20090313971 Diesel Exhaust Treatment System Catalyst Monitoring |
| 12/24/2009 | US20090313970 Deterioration determination device and method for exhaust emission reduction device, and engine control unit |
| 12/24/2009 | DE112008000223T5 Verfahren und Anordnung zum Überwachen der Funktionsfähigkeit eines Abgasnachbehandlungssystems Method and apparatus for monitoring the operation of an exhaust aftertreatment system |
| 12/24/2009 | DE102009016031A1 Verfahren zum Detektieren von Verkokung in einem Kraftstoffverdampfer A method of detecting in a coking fuel vaporizer |
| 12/24/2009 | DE102008047860B3 Method for leakage test of reducing agent injector of selective catalytic reduction exhaust-gas after treatment system of combustion engine, involves generating or producing release condition of selective catalytic reduction system |
| 12/24/2009 | DE102008028769A1 Verfahren zur Bestimmung des Kraftstoff-Luft-Verhältnisses einer Verbrennungskraftmaschine Method for determining the air-fuel ratio of an internal combustion engine |
| 12/24/2009 | DE102007035188B4 Verfahren zum Aufheizen eines Gassensors A method of heating a gas sensor |
| 12/24/2009 | DE10038461B4 Modell für einen NOx-Speicherkatalysator Model for an NOx storage catalytic converter |
| 12/24/2009 | DE10036942B4 Verfahren zur Bestimmung der Temperaturverteilung eines NOx-Katalysators Method for determining the temperature distribution of a NOx catalyst |
| 12/24/2009 | DE10023060B4 Verfahren zur Bestimmung des Alterungszustandes sowie zur Durchführung der NOx-Regeneration eines NOx-Speicherkatalysators A method for determining the state of aging, as well as to carry out the NOx regeneration of the NOx storage catalyst |
| 12/23/2009 | EP2136045A1 Device for distinguishing liquid reducing agent and exhaust emission purifier of engine |
| 12/23/2009 | EP2134940A1 Method and device for the control of the operating state of a catalytic converter of the exhaust line of an internal combustion engine |
| 12/22/2009 | US7634905 Method for operating an internal combustion engine and device for implementing the method |
| 12/22/2009 | CA2480915C A diagnostic apparatus for an exhaust gas sensor |
| 12/17/2009 | WO2009151756A1 Methods of increasing accuracy of soot load estimates |
| 12/17/2009 | WO2009031030A8 Exhaust emission control system of internal combustion engine and exhaust emission control method |
| 12/17/2009 | US20090308058 Deterioration determination device for catalyst, catalyst deterioration determining method, and engine control unit |
| 12/17/2009 | US20090308053 Exhaust Purification Device of Internal Combustion Engine |
| 12/17/2009 | US20090308052 Methods of increasing accuracy of soot load estimates |
| 12/17/2009 | DE102009018831A1 Selbstkalibrierendes Sensorsystem und Verfahren Self-calibrating sensor system and method |
| 12/17/2009 | DE102008027575A1 Diagnosing method for catalytically active exhaust gas cleaning element of motor vehicle internal combustion engine, involves evaluating response of exhaust gas cleaning element in form of signal of exhaust gas sensor |
| 12/17/2009 | DE102008026741A1 Method for detecting functionality of lambda-sensor in control circuit to measure air-fuel-ratio in exhaust gas from internal combustion engine of motor vehicle, involves evaluating measuring variable based on associated criteria |
| 12/17/2009 | DE102007000094B4 Abgasreinigungsgerät mit einem Partikelkollektor zur Verwendung in einem Fahrzeug An exhaust gas purification device with a particle collector for use in a vehicle |
| 12/16/2009 | EP2133531A1 Catalyst deterioration-determination device and method |
| 12/16/2009 | EP2133530A1 Deterioration determination device and method for exhaust emission reduction device |
| 12/16/2009 | EP2133529A1 Deterioration determination device for catalyst, and catalyst deterioration determining method |
| 12/16/2009 | EP2133523A1 Device and method for monitoring the integrity of a ceramic particle filter structure |
| 12/15/2009 | US7631490 System for assisting regeneration of pollution management means |
| 12/10/2009 | US20090304553 Tool and tray sanitation |
| 12/10/2009 | US20090301062 Exhaust emission control device for internal combustion engine |
| 12/10/2009 | US20090301059 Exhaust purification device of internal combustion engine |
| 12/10/2009 | US20090301058 Particulate matter sensor |
| 12/10/2009 | DE102009026753A1 Abgassteuerungsvorrichtung für eine Brennkraftmaschine The exhaust gas control apparatus for an internal combustion engine |
| 12/09/2009 | EP2131020A2 Method of dosing reagent |
| 12/09/2009 | EP1384866B1 Exhaust gas cleaner for internal combustion engine |
| 12/03/2009 | WO2009145933A1 Real time doser efficiency monitoring |
| 12/03/2009 | WO2009144428A1 Method and device for recognizing combustion in a particle filter |
| 12/03/2009 | WO2009144092A1 Method and device for operating an internal combustion engine |
| 12/03/2009 | WO2009115759A3 Method of controlling the operation of at least one catalytic converter for an internal combustion engine |
| 12/03/2009 | US20090293460 Engine exhaust emission purification apparatus |
| 12/03/2009 | US20090293452 After-treatment system |
| 12/03/2009 | US20090293451 Exhaust control system having diagnostic capability |
| 12/03/2009 | DE102008026236A1 Temperature determining method for exhaust gas post treatment component provided for flowing internal combustion engine exhaust gas, involves guiding reference radiation through optical window and detecting intensity of reference radiation |
| 12/02/2009 | EP2128597A1 Fine particle sensor |
| 12/02/2009 | EP2128396A1 Breakdown diagnosing device and breakdown diagnosing method of nox sensor |
| 12/02/2009 | EP2126304A1 Closed loop control of exhaust system fluid dosing |
| 12/01/2009 | US7625201 Method and apparatus for testing catalytic converter durability |
| 11/26/2009 | US20090288391 Catalyst deterioration detection device |
| 11/26/2009 | DE102009017357A1 Steuervorrichtung zum Steuern sowohl des Kraftstoffeinspritzsystems als auch des Abgasreinigungssystems Control means for controlling both the fuel injection system and the exhaust gas purifying system |
| 11/26/2009 | DE102008001919A1 Verfahren zur Plausibilisierung eines Temperatursensors Method for determining the plausibility of a temperature sensor |
| 11/26/2009 | DE102008001877A1 Broadband lambda probe for use with measuring device for determining quantity of deposited ash particles in flue gas duct of diesel internal combustion engine, comprises diffusion barrier with porosity less than forty-five percentage |
| 11/25/2009 | EP2122133A1 Low temperature urea injection method |
| 11/25/2009 | CN101589215A Method for achieving plausibility of a pressure difference value determined by means of a particle filter |
| 11/25/2009 | CN100562654C Method of diagnosing the presence of an exhaust after-treatment component and a use of the method for vehicle on-board diagnosis |
| 11/19/2009 | WO2009140677A2 Particulate matter sensor |
| 11/19/2009 | US20090282811 Diesel particulate filter overstress mitigation |
| 11/19/2009 | US20090282808 Method and system for improving sensor accuracy |
| 11/19/2009 | US20090282807 Internal combustion engine with deactivation of part of the cylinders and control method thereof |
| 11/19/2009 | DE102009011535A1 Minderung von Dieselpartikelfilterüberbelastung Reduction of diesel particulate overload |
| 11/18/2009 | EP2118459A2 Catalyst monitoring system and catalyst monitoring method |
| 11/18/2009 | CN100561169C Steel-ball-rolling machine for testing engine exhaust pipe |
| 11/18/2009 | CN100560953C Exhaust emission purification device |
| 11/17/2009 | US7617672 Engine exhaust emission control device and exhaust emission control method |
| 11/12/2009 | WO2009136238A1 Exhaust emission control system of internal combustion engine |
| 11/12/2009 | DE102006021089B4 Verfahren und Vorrichtung zum Betreiben einer Brennkraftmaschine Method and device for operating an internal combustion engine |
| 11/11/2009 | EP2116843A1 Particulate sensor element and fault detection apparatus |
| 11/11/2009 | EP2115282A1 Method and system for heating a catalytic converter before testing a vehicle exhaust system |
| 11/11/2009 | CN101578433A Exhaust gas purifying apparatus for internal combustion engine |
| 11/11/2009 | CN101576000A Method and system for monitoring particulate |
| 11/10/2009 | US7614213 Engine exhaust emission purification apparatus |
| 11/10/2009 | US7614212 Engine control apparatus |
| 11/05/2009 | US20090272105 APPARATUS, SYSTEM, AND METHOD FOR REDUCING NOx EMISSIONS ON AN SCR CATALYST |
| 10/29/2009 | US20090266059 Exhaust system implementing in situ calibration |
| 10/29/2009 | US20090266058 Exhaust system implementing feedforward and feedback control |
| 10/29/2009 | US20090266054 Control Apparatus and Method for Internal Combustion Engine |
| 10/29/2009 | US20090266053 Exhaust gas purification system for internal combustion engine |
| 10/29/2009 | US20090266052 Universal tracking air-fuel regulator for internal combustion engines |
| 10/28/2009 | EP1960644B1 Method for the diagnosis of a catalytic converter which is arranged in an exhaust area of an internal combustion engine and device for carrying out said method |
| 10/22/2009 | WO2009127941A1 Malfunction diagnosis device for exhaust gas purification system and malfunction diagnosis method therefor |
| 10/22/2009 | US20090260347 Apparatus and method for detecting abnormal air-fuel ratio variation among cylinders of multi-cylinder internal combustion engine |
| 10/22/2009 | DE102008046605B3 Oxygen accumulator's storage capacity checking method for use in internal combustion engine, involves deriving operability of probe and sufficiency and insufficiency of storage capacity of accumulator based on measuring values of probe |
| 10/22/2009 | DE102008001257A1 Device for controlling inlet to diagnostic sensor, has sensor chamber, which is provided for admission of diagnostic sensor, where opening cooperates with opening of valve unit which is adjusted by actuator |