| Patents for F01N 11 - Monitoring or diagnostic devices for exhaust-gas treatment apparatus (7,022) |
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| 07/12/2012 | US20120174564 System for an engine having a particulate matter sensor |
| 07/11/2012 | EP2473720A1 Improvements in emission control |
| 07/11/2012 | CN102575557A Diagnostic method and apparatus for thermal regenerator after-treatment device |
| 07/11/2012 | CN102575546A Improvements in emission control |
| 07/11/2012 | CN102562240A Visual system used in particle trapping process of diesel engine |
| 07/11/2012 | CN102562239A Method for monitoring exhaust temperature of aircraft engine |
| 07/11/2012 | CN102562227A Method for controlling the regeneration process in lean NOx trap devices |
| 07/11/2012 | CN102140953B Method for manufacturing oxygen sensor chip |
| 07/05/2012 | US20120167557 Exhaust gas purification apparatus for an internal combustion engine |
| 07/05/2012 | US20120167556 Engine exhaust after-treatment system |
| 07/05/2012 | DE102011108097A1 Aschedetektion in einem Dieselteilchenfilter Ash detection in a diesel particulate filter |
| 07/05/2012 | DE102011002438A1 Method for determining loading of particulate filter in exhaust gas passage of combustion engine e.g. petrol engine, involves utilizing secondary air pump as pressure increasing device |
| 07/05/2012 | DE102011002434A1 Method for evaluating filtering effect of particulate filter in exhaust gas passage of diesel engine in motor car, involves evaluating filtering effect of particulate filter from soot mass, soot concentration or filtering efficiency |
| 07/05/2012 | DE102010035365B4 Verfahren zum Ermitteln der Sauerstoffspeicherkapazität eines Katalysators sowie Verfahren zum Ermitteln einer einer Lambdasonde inhärenten Zeitverzögerung Method for determining the oxygen storage capacity of a catalyst and a method for determining a lambda probe inherent time delay |
| 07/05/2012 | DE10155647B4 Verfahren zur On-Bord-Diagnose (OBD) emissionsrelevanter Baugruppen von Kraftfahrzeugen A method for on-board diagnostics (OBD) emission related assemblies of motor vehicles |
| 07/04/2012 | EP2326809B1 Method for operating an exhaust emission control system having a scr-catalyst and an upstream oxidation catalyst exhaust emission control component |
| 07/04/2012 | CN202300655U Exhaust emission control system of engine |
| 07/04/2012 | CN202300590U Secondary air injection tail gas purification device |
| 07/04/2012 | CN202300587U Automobile tail gas particle catcher with pressure difference measuring interface |
| 07/04/2012 | CN102549246A Abnormality detection apparatus for an exhaust gas emission control apparatus |
| 07/04/2012 | CN102536407A Particulate matter sensor with improved measurement accuracy |
| 07/04/2012 | CN102536406A Particulate matter sensor and measurement method thereof |
| 07/04/2012 | CN102536405A Motor vehicle with an exhaust gas retreatment system and method for operating the motor vehicle |
| 07/04/2012 | CN102536404A Method for ascertaining a flap position of an exhaust gas heat exchanger |
| 07/04/2012 | CN102536403A System and method for determining selective catalytic reduction dosing system performance using ammonia sensor |
| 07/04/2012 | CN102011633B Durability evaluating method of selective catalytic reduction (SCR) catalytic converter |
| 07/04/2012 | CN101832171B Test method of display alarm for reactants |
| 07/04/2012 | CN101617107B Closed loop control of exhaust system fluid dosing |
| 07/03/2012 | US8209958 Engine exhaust emission purification apparatus |
| 06/28/2012 | WO2012088426A2 Method and apparatus for measuring ash deposit levels in a particulate filter |
| 06/28/2012 | US20120159929 Exhaust particulate filter system and methods |
| 06/28/2012 | DE102011084986A1 Abgasemissionssteuerungsvorrichtung für eine brennkraftmaschine Exhaust emission control device for an internal combustion engine |
| 06/28/2012 | DE102011006170A1 Method for operating the lambda control of combustion engine, involves providing catalyst in exhaust region, where lambda sensors are located in upstream and downstream of catalyst in exhaust direction |
| 06/28/2012 | DE102010055641A1 Method for determining soot loading of particulate filter i.e. diesel particulate filter, in exhaust gas path of internal combustion engine, involves determining deviation of soot entry depending on reference and actual values |
| 06/28/2012 | DE102010055640A1 Verfahren und Steuereinrichtung zur Ermittlung einer Rußbeladung eines Partikelfilters A method and control device for determining a soot loading of a particulate filter |
| 06/28/2012 | DE10064278B4 Abgasemissions-Steuervorrichtung für die Verwendung in einer Brennkraftmaschine Exhaust emission control apparatus for use in an internal combustion engine |
| 06/27/2012 | CN102518497A Engine exhaust parameter detecting device for matching muffler with engine |
| 06/27/2012 | CN102518495A Diesel vehicle tail gas particle filter |
| 06/27/2012 | CN101230795B Method for monitoring an exhaust gas secondary treatment system in an internal combustion engine |
| 06/26/2012 | US8209110 Calibration scheme for an exhaust gas sensor |
| 06/21/2012 | WO2012080336A1 Sensor device for particles |
| 06/21/2012 | WO2012080046A1 Method and device for operating an internal combustion engine |
| 06/21/2012 | WO2012080000A1 Method and device for carrying out a zero point adaptation of a lambda probe of an internal combustion engine |
| 06/21/2012 | DE102011100406B3 Method for determination of particulate emission of internal combustion engine, involves measuring actual value for pressure in suction pipe and predetermined reference value for pressure in suction pipe |
| 06/21/2012 | DE102011002782B3 Internal combustion engine operating method for motor car, involves determining characteristic value of gradient of measurement signal, and determining dynamics characteristic value dependent on characteristic value of gradient |
| 06/21/2012 | DE102010063811A1 Method for operating exhaust gas tube arranged downstream to exhaust gas duct of internal combustion engine of motor car, involves setting error indicator when quality value exceeds quality-threshold value before reaching threshold value |
| 06/21/2012 | DE102010063117A1 Verfahren zur Erkennung der Betriebsbereitschaft einer Sprung-Lambdasonde Method for detecting the operational readiness of a jump lambda probe |
| 06/21/2012 | DE102010055131A1 Verfahren zur Ermittlung einer Klappenstellung eines Abgaswärmetauschers Method for determining a position of an exhaust gas heat exchanger valves |
| 06/21/2012 | DE102010054671A1 Verfahren zum Betreiben eines Rußsensors Method for operating a soot sensor |
| 06/21/2012 | DE102010054669A1 Sensorvorrichtung Sensor device |
| 06/20/2012 | EP2466087A1 Diagnostic procedure of a SCR system for a vehicle and corresponding vehicle |
| 06/20/2012 | EP2134940B1 Method and device for the control of the operating state of a catalytic converter of the exhaust line of an internal combustion engine |
| 06/20/2012 | CN101782011B Apparatus and method for onboard performance monitoring of exhaust gas particulate filter |
| 06/20/2012 | CN101438044B Method and device for the diagnosis of the effectiveness of a catalytic converter |
| 06/14/2012 | WO2012047484A3 Exhaust system having cross-sensitive sensor |
| 06/14/2012 | US20120144805 Arrangement and method for operating an exhaust gas post-treatment device |
| 06/14/2012 | US20120144801 System and method for determining selective catalytic reduction dosing system performance using an ammonia sensor |
| 06/14/2012 | DE112010001368T5 Fahrzeugesteuerungsvorrichtung und Verfahren zur Steuerung eines Fahrzeugs Vehicle control apparatus and method for controlling a vehicle |
| 06/14/2012 | DE102011087924A1 Fehlererfassungsvorrichtung für einen Partikelfilter A failure detection device for a particulate filter |
| 06/14/2012 | DE102011011441B3 Verfahren zur dynamischen Durchbrucherkennung für SCR-Katalysatoren A method for dynamic breakthrough detection for SCR catalysts |
| 06/13/2012 | CN102493860A Closed loop control method for SCR (Selective Catalyst Reduction) system of all-working-condition diesel engine |
| 06/07/2012 | WO2012072566A1 Method for determining the nh3 loading of an scr catalytic converter |
| 06/07/2012 | US20120143472 Soot discharge estimating device for internal combustion eingines |
| 06/07/2012 | US20120137663 Method for predicting nox loading at denox catalyst and exhaust system using the same |
| 06/07/2012 | US20120137662 Method for predicting sox stored at denox catalyst and exhaust system using the same |
| 06/07/2012 | US20120137660 Engine Aftertreatment System with Exhaust Lambda Control |
| 06/06/2012 | EP2461000A2 Method for predicting nox loading at denox catalyst and exhaust system using the same |
| 06/06/2012 | EP2460994A2 Method for predicting regeneration of DeNOx catalyst and exhaust system using the same |
| 06/06/2012 | EP2459855A1 Abnormality detection apparatus for an exhaust gas emission control apparatus |
| 06/06/2012 | DE102011086447A1 Fortschrittliche Abgasprobenentnahmevorrichtung für einen Abgassensor Advanced exhaust gas sampling device for an exhaust gas sensor |
| 06/06/2012 | DE102011077251B3 Diagnostic method for ammonia filter of nitrogen oxide sensor for exhaust system of diesel engine for motor car, involves deactivating filter when value of error is below threshold value |
| 06/06/2012 | DE102011077246B3 Filtering method for nitrous oxide sensor of exhaust system, involves setting data of nitrous oxide sensor as ammonia measured values when ratio of nitrous oxide modeling error to ammonia modeling error is greater than upper threshold |
| 06/06/2012 | DE102011017677A1 Gerät zur Diagnose eines Temperaturzustands eines Trägers einer Katalysatorvorrichtung Device for diagnosing a condition of a temperature of a catalyst carrier device |
| 06/06/2012 | DE102010062348A1 Method for determining temperature of exhaust gas stream from exhaust pipe of motor vehicle, involves determining exhaust pipe temperature based on temperature difference of gas stream entering pipe and temperature fall of gas stream |
| 06/06/2012 | CN102486113A Method for controlling exhaust gas heat recovery systems in vehicles |
| 05/31/2012 | US20120131909 Control apparatus for gas sensor |
| 05/31/2012 | US20120131907 Exhaust Gas Purification Apparatus of an Internal Combustion Engine |
| 05/31/2012 | DE10338181B4 Verfahren und Vorrichtung zur Temperaturbeeinflussung eines Katalysatorsystems Method and device for influencing the temperature of a catalyst system |
| 05/31/2012 | DE102010052600A1 Pump arrangement for conveying reducing agent solution for exhaust after treatment, has conveying chamber and drive chamber, in which electric motor is arranged for moving drive element |
| 05/30/2012 | EP2458171A2 Contamination sensor |
| 05/30/2012 | CN202250321U Temperature forecasting device of SCR (silicon-controlled rectifier) catalytic converter |
| 05/30/2012 | CN202250319U After-treatment system for tail gas of diesel engine |
| 05/30/2012 | CN102482978A Arrangement and method for operating an exhaust gas aftertreatment device |
| 05/30/2012 | CN102482977A Arrangement and method for operating an exhaust gas post-treatment device |
| 05/30/2012 | CN102477894A Method for diagnosing a fault of an scr system |
| 05/30/2012 | CN102477888A Exhaust gas post processing method |
| 05/29/2012 | US8190352 Method and device for diagnosing an exhaust gas catalytic converter |
| 05/24/2012 | WO2012067566A1 Arrangement and method for a dosing system for supply of a reducing agent in the exhaust flow from a combustion device |
| 05/24/2012 | US20120128409 Mounting structure of component to exhaust pipe |
| 05/24/2012 | US20120124978 Exhaust gas purification system |
| 05/24/2012 | US20120124970 METHOD FOR PREDICTING NOx AMOUNT AMD EXHAUST SYSTEM USING THE SAME |
| 05/24/2012 | DE112010000881T5 Verfahren zur Schätzung der Wärmeaustauschrate in Bezug auf exothermische Oxidationsreaktionen eines Diesel-Oxidationskatalysator in einem Motor mit innerer Verbrennung A method of estimating the heat exchange rate with respect to exothermic oxidation reactions of a diesel oxidation catalyst in an internal combustion engine |
| 05/24/2012 | DE102011083781B3 Method for operating internal combustion engine, involves performing performance diagnosis of cylinders only in detection phase by introducing correction signal with proportional hop along with integral modified parameter into controller |
| 05/24/2012 | DE102010044142A1 Verfahren zum Ausblenden einer Störung Method to hide a fault |
| 05/23/2012 | EP2455743A2 Self diagnostics of a particulate matter sensor |
| 05/23/2012 | CN102465744A System and method for controlling nitrogen oxide sensor |
| 05/23/2012 | CN102465743A Diesel-exhaust-fluid refill detection |
| 05/23/2012 | CN101790624B Method for verifying the aging condition of a catalytic converter on board a vehicle |
| 05/23/2012 | CN101655026B Aftertreatment device NOx conversion efficiency diagnostics using on board adaptive diagnostic algorithm |
| 05/17/2012 | US20120117945 System and method for sensing particulate matter |