| Patents for F01N 11 - Monitoring or diagnostic devices for exhaust-gas treatment apparatus (7,022) |
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| 03/03/2011 | DE102009029107A1 Method for achieving plausibility of sensor signals of sensor in selective catalytic reduction-catalytic system, involves obtaining signals of three different sensors of selective catalytic reduction-catalytic system |
| 03/03/2011 | DE102009028953A1 Method for determining measurement for occurrence of reagent central drop in exhaust area of internal-combustion engine, involves arranging particle sensor, which has reagent central drop |
| 03/03/2011 | DE102009028873A1 Method for determining value of untreated nitrogen oxide emission of combustion engine, involves calculating model value of untreated nitrogen oxide emission by computer model from operating parameters of internal combustion engine |
| 02/24/2011 | US20110041478 Exhaust Gas-Aftertreatment Device and Control Method Thereof |
| 02/24/2011 | DE112009000824T5 Echtzeitüberwachung der Dosiereffizienz Real-time monitoring doser |
| 02/24/2011 | DE112009000597T5 Abgasemissions-Steuersystem für einen Verbrennungsmotor An exhaust emission control system for an internal combustion engine |
| 02/24/2011 | DE102009028617A1 Method for determining exhaust gas mass flow into exhaust pipe of combustion engine of motor vehicle, involves determining fresh air mass flow, measured before compressor, by air mass sensor |
| 02/24/2011 | DE102009028616A1 Method for determining exhaust gas mass flow into exhaust pipe of combustion engine of motor vehicle, involves determining fresh air mass flow, measured before compressor, by air mass sensor |
| 02/23/2011 | CN101981284A Exhaust emission control system of internal combustion engine |
| 02/17/2011 | US20110036072 Diagnosis apparatus for reducing agent supply apparatus |
| 02/17/2011 | US20110036071 On board diagnostic system |
| 02/17/2011 | US20110036070 Method for Determining the Charge State of a Particle Filter Installed in the Exhaust Gas Line of an Internal Combustion Engine and Device for Reducing the Particle Emissions of an Internal Combustion Engine |
| 02/17/2011 | US20110036069 Method for operating a lambda sensor during the heating phase |
| 02/17/2011 | DE102009028459A1 Method for operating selective catalytic reduction-catalyzer, involves providing information about aggregate phase of urea water solution in urea water solution tank |
| 02/17/2011 | DE102009028367A1 Verfahren und Vorrichtung zur Dynamik-Diagnose einer Abgas-Sonde Method and apparatus for dynamic diagnosis of an exhaust gas probe |
| 02/17/2011 | DE102006035458B4 Verfahen zum Erstellen von Kennlinien, ein solche Kennlinien verwendendes Steuergerät und eine Abgassteuervorrichtung mit einem solchen Steuergerät Procedure for creating characteristics, such a characteristic-use control unit and an exhaust emission control device with such a control unit |
| 02/16/2011 | EP2283212A1 Method and device for recognizing combustion in a particle filter |
| 02/15/2011 | US7886588 Method for determining current oxygen loading of a 3-way catalytic converter of a lambda-controlled internal combustion engine |
| 02/10/2011 | US20110035136 Control device and control method for vehicle |
| 02/10/2011 | US20110030348 System and methods for controlling selective catalytic reduction systems |
| 02/10/2011 | DE102010031073A1 Ansprecherfassungsvorrichtung eines Sensors zur Ermittlung der Abgaskomponentenkonzentration Response sensing a sensor for determining the exhaust gas component concentration |
| 02/03/2011 | US20110023456 Method and system for verifying the operation of an scr catalyst |
| 02/03/2011 | DE102010031695A1 Verfahren und Systeme für die Diagnose eines Emissionssystems mit mehr als einem SCR-Bereich Methods and systems for the diagnosis of an emissions system with more than one SCR area |
| 02/03/2011 | DE102010026969A1 Verfahren, Systeme und Sensor zum Detektieren von Feuchte Methods, systems, and sensor for detecting humidity |
| 02/03/2011 | DE102010026867A1 NOx-Sensor-Kompensation NOx sensor-compensation |
| 02/03/2011 | DE102009035579A1 Method for operating diesel engine of motor vehicle, involves determining target value of nitrogen oxide concentration by engine characteristic map by sensor, and regulating internal combustion engine to target value by sensor |
| 01/27/2011 | US20110016849 APPARATUS, SYSTEM, AND METHOD FOR ESTIMATING DETERIORATION OF A NOx SENSOR RESPONSE RATE |
| 01/27/2011 | DE102010036348A1 Modellgestützte Feinabstimmung einer Ammoniakverteilung und Regulierung, um Betriebskosten einer selektiven katalytischen Reduktion zu verringern Model-based fine-tuning an ammonia distribution and regulation to reduce operating costs of a selective catalytic reduction |
| 01/26/2011 | CN201723284U Screwing seat of oxygen sensor |
| 01/19/2011 | EP1924760B1 Arrangement and method in connection with a piston engine having a turbocompressor |
| 01/13/2011 | US20110010071 System for particulate matter sensor signal processing |
| 01/13/2011 | US20110005209 Ammonia storage set-point control for selective catalytic reduction applications |
| 01/13/2011 | US20110005204 Exhaust Gas Aftertreatment Installation and Method |
| 01/13/2011 | US20110005203 Identifying ammonia non-slip conditions in a selective catlytic reduction application |
| 01/13/2011 | US20110005202 Identifying ammonia slip conditions in a selective catalytic reduction application |
| 01/13/2011 | DE10305635B4 Abgasreinigungsverfahren für Magerbrennkraftmaschinen Exhaust gas cleaning systems for lean burn engines |
| 01/13/2011 | DE10011920B4 Brennkraftmaschine der Ottobauart Engine of Otto type |
| 01/06/2011 | WO2011002839A2 System and method for detecting diesel particulate filter conditions based on thermal response thereof |
| 01/06/2011 | US20110000193 System and method for detecting diesel particulate filter conditions based on thermal response thereof |
| 01/06/2011 | US20110000192 Exhaust gas sensor device, engine control device and method |
| 01/06/2011 | US20110000189 Denox of diesel engine exhaust gases using a temperature-controlled precatalyst for providing no2 in accordance with the requirements |
| 01/05/2011 | EP2268903A1 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 |
| 01/05/2011 | EP1872004B1 Exhaust gas purification system for an internal combustion engine |
| 01/05/2011 | DE19722334B4 Abgassondendiagnoseverfahren und -vorrichtung Exhaust gas probe diagnostic method and apparatus |
| 01/05/2011 | DE102010022317A1 Regenerationssysteme und -verfahren für Partikelfilter unter Verwenden von virtuellen Bricktemperatursensoren Regeneration systems and procedures for particulate Using virtual Brick temperature sensors |
| 01/05/2011 | DE102009030582A1 Method for diagnosing operation of precatalyst probe, in exhaust gas system of motor vehicle, involves triggering change of fat exhaust gas to lean exhaust gas or lean exhaust gas to fat exhaust gas, partially independent from lapse of time |
| 01/05/2011 | DE102007003153B4 Verfahren zur Plausibilisierung eines ermittelten Differenzdruckwerts über einen Partikelfilter Method for determining the plausibility of a determined pressure difference value with a particulate filter |
| 01/05/2011 | CN101936208A Exhaust temperature and back pressure based online diagnosis method for exhaust purifier of diesel engine |
| 01/05/2011 | CN101936207A Method for preventing low estimation to soot level within an diesel particulate filter by determining restriction sensitivity of the soot |
| 01/05/2011 | CN101936206A Method for monitoring ammonia storage in an exhaust aftertreatment system |
| 12/30/2010 | US20100326052 Method for monitoring ammonia storage in an exhaust aftertreatment system |
| 12/30/2010 | DE102009027226A1 Method for performing calculation of range of motor vehicle, involves carrying out range calculation of motor vehicle based on supply quantity of reagents, particularly nitric oxide |
| 12/29/2010 | WO2010151690A2 APPARATUS, SYSTEM, AND METHOD FOR ESTIMATING DETERIORATION OF A NOx SENSOR RESPONSE RATE |
| 12/29/2010 | EP1984605B1 Method and device for purging an injector in a fuel injector system of use in the regeneration of a particle filter |
| 12/29/2010 | CN201687561U Reagent display device of SCR after treatment system |
| 12/29/2010 | CN201687560U Device used for displaying surplus of reaction agent in selective reduction catalyst converter |
| 12/29/2010 | CN101929373A Waste gases and smoke removing device |
| 12/29/2010 | CN101372912B Exhaust system monitoring methods and systems |
| 12/23/2010 | US20100319319 Dpf accumulation amount estimating apparatus |
| 12/23/2010 | US20100319318 Degradation diagnosis device for catalyst |
| 12/23/2010 | US20100319316 Oxidation catalyst fault diagnosis unit and oxidation catalyst fault diagnosis method and internal combustion engine exhaust purification apparatus |
| 12/23/2010 | DE10023079B4 Vorrichtung und Verfahren zur Steuerung einer NOx-Regeneration eines im Abgasstrang einer Verbrennungskraftmaschine angeordneten NOx-Speicherkatalysators Apparatus and method for controlling a regeneration of a NOx arranged in the exhaust section of an internal combustion engine, the NOx storage catalyst |
| 12/22/2010 | EP2262988A1 Malfunction diagnosis device for exhaust gas purification system and malfunction diagnosis method therefor |
| 12/22/2010 | EP1563170B1 Method for recognition of the loading of a particle filter |
| 12/22/2010 | CN201679545U Oxygen sensor diagnostic device |
| 12/22/2010 | CN201679544U Fault diagnosis device for catalytic converter of engine |
| 12/22/2010 | CN101922339A Method to monitor HC-SCR catalyst nox reduction performance for lean exhaust applications |
| 12/21/2010 | US7856309 Cold start emission reduction strategy for coordinated torque control systems |
| 12/19/2010 | CA2707878A1 Method and apparatus for cleaning particle filters in exhaust gas systems of combustion engines |
| 12/16/2010 | US20100318281 Fuel control strategy for heating a catalyst |
| 12/16/2010 | US20100313857 Engine with a charging system |
| 12/16/2010 | US20100313548 Emission Control System with an Optimized Reductant Injection Model |
| 12/16/2010 | DE102010029471A1 Diagnosevorrichtung für einen Abgassensor Diagnosis apparatus for an exhaust gas sensor |
| 12/16/2010 | DE102010022949A1 Modellieren der Wärmeabgabe eines katalytisch aktiven Elements aufgrund von Durchblasen Modeling the thermal properties of a catalytically active element due to bubbling |
| 12/16/2010 | DE102009040534B3 Method for testing performance of catalyst in exhaust gas system of internal combustion engine, involves analyzing increase or decrease of exhaust gas mass flow pressure readings, and indicating catalyst performance based on analysis result |
| 12/15/2010 | EP2260189A1 Method for detecting a failure of an injection electrovalve at the exhaust of a combustion engine |
| 12/15/2010 | EP1685314B1 Control apparatus and control method for internal combustion engine provided with secondary air supply |
| 12/15/2010 | CN101918688A Malfunction diagnosis device for exhaust gas purification system and malfunction diagnosis method therefor |
| 12/14/2010 | US7849674 Exhaust emission purifying apparatus for engine |
| 12/09/2010 | US20100307136 Method For Determining The Instant At Which A Nitrogen Oxide Storage Catalyst Is Switched From The Storage Phase To The Regeneration Phase And For Diagnosing The Storage Properties Of This Catalyst |
| 12/09/2010 | US20100307135 Apparatus and method for diagnosing catalyst deterioration |
| 12/09/2010 | DE102010029512A1 Exhaust gas sensor i.e. air-fuel ratio sensor, managing device for use in exhaust gas cleaning system for multi-cylinder diesel engine of car, has diagnosis tool for instructing control unit to perform regeneration process |
| 12/09/2010 | DE102010008472A1 Drehmomentmodell-Basierte Kaltstart-Diagnosesysteme und -verfahren Torque model-based cold start diagnostic systems and methods |
| 12/09/2010 | DE102009026630A1 Verfahren und Steuergerät zum Steuern eines Regenerationsvorgangs eines Abgaspartikelfilters A method and control apparatus for controlling a regeneration process of an exhaust gas particulate filter |
| 12/08/2010 | CN1896470B Method for dynamic diagnosis of an exhaust gas analyzer probe |
| 12/08/2010 | CN101910578A Method and control device for controlling the reducing agent feed to a scr catalyst |
| 12/08/2010 | CN101907014A Electically heated particulate filter incomplete regeneration identification system and method |
| 12/08/2010 | CN101415917B Catalyst degradation diagnosis system and catalyst degradation diagnosis method |
| 12/07/2010 | US7846405 Method and apparatus for measuring and controlling selective catalytic reduction (SCR) emission control systems |
| 12/02/2010 | US20100303670 Reducing corrosion in a turbomachine |
| 12/02/2010 | US20100300070 Systems And Methods For Controlling Temperature And Total Hydrocarbon Slip |
| 12/02/2010 | DE102005012393B4 System zur Diagnose der Qualität einer Reagenzlösung System for diagnosing the quality of a reagent |
| 12/01/2010 | CN101900025A System and methods to detect non-urea reductant filled in a urea tank |
| 11/30/2010 | US7842267 Exhaust emission purifying apparatus for engine |
| 11/30/2010 | US7841168 Estimation of the temperature of a catalytic converter and corresponding applications |
| 11/25/2010 | WO2010133276A1 Method for calculating an efficiency index of a diesel oxidation catalyst |
| 11/25/2010 | US20100293925 Method for Determining the Nitrogen Dioxide Concentration in Exhaust Gases |
| 11/25/2010 | DE102009021991A1 Method for determining light-off temperature and/or light-off performance in exhaust gas flow of internal combustion engine utilized in motor vehicle, involves calculating gradients of difference between model and measuring temperatures |
| 11/24/2010 | EP2253825A2 Method for calibration of an engine controller and engine controller obtained using said method |
| 11/24/2010 | EP1931863B1 System and method for regenerating a catalytic particulate filter located in a diesel engine exhaust line |