Patents for F01N 11 - Monitoring or diagnostic devices for exhaust-gas treatment apparatus (7,022)
11/2011
11/09/2011EP1741887B1 Liquid feed device for exhaust gas aftertreatment device
11/09/2011CN102235219A Method to estimate NO2 concentration in an exhaust gas of an internal combustion engine
11/09/2011CN102235213A Method for operating an internal combustion engine
11/03/2011WO2011093975A3 Method for producing a subminiature "micro-chip" oxygen sensor for control of internal combustion engines or other combustion processes, oxygen sensor and an exhaust safety switch
11/03/2011US20110270504 Exhaust and component temperature estimation systems and methods
11/03/2011US20110265460 Apparatus for controlling supply power to conductive carrier of catalyst converter
11/03/2011DE102010028373A1 Method for monitoring operating condition of nitrogen oxide-storage catalyst in exhaust gas system of internal combustion engine, involves inducing fully loaded condition of nitrogen oxide-storage catalyst
11/03/2011DE102010028301A1 Method for diagnosing catalytic converter, particularly three-way catalytic converter, involves providing lambda probe with pumped reference downstream to catalytic converter
11/03/2011DE102010019309A1 Method for recognition of state of selective catalytic reduction catalyst and diesel particulate filter in after-treatment of exhaust gases system, involves calculating reflectance factor amount of interfered electromagnetic wave
11/03/2011DE10064499B4 Verfahren zur Zustandserkennung eines NOx-Speicherkatalysators Method for detecting a NOx storage catalyst
11/02/2011EP1837491B1 Internal combustion engine exhaust emission control system
11/02/2011CN102230426A Fault diagnosis and compensation method for oxygen sensor
11/01/2011US8047054 Particulate matter sensor
10/2011
10/27/2011US20110258989 Exhaust purification apparatus for internal combustion engine
10/26/2011EP2379853A1 Temperature sensor, sulfur component detector, and exhaust purification system for internal combustion engine
10/20/2011WO2011128543A1 Method for regenerating a particle filter
10/20/2011US20110257899 Method to estimate no2 concentration in an exhaust gas of an internal combustion engine
10/20/2011US20110257863 Method for operating an internal combustion engine
10/20/2011US20110252771 Flue gas purifying device
10/20/2011US20110252769 Diesel particulate filter overstress mitigation
10/20/2011US20110252768 Method and apparatus for the self-diagnosis of an exhaust gas probe
10/20/2011US20110252767 Apparatus and method to diagnose a nox sensor
10/20/2011DE102010027987A1 Method for diagnosis of exhaust gas burner during monitoring of emission control system of e.g. highway-engine of military vehicle, involves concluding sensor values analysis to control of actuators for functionality of burner
10/20/2011DE102010027984A1 Method for operating exhaust system of internal combustion engine in motor vehicle, involves guiding fresh air by exhaust system, where fresh air is guided through exhaust duct during operating state of internal combustion engine
10/20/2011DE102010027983A1 Verfahren zum Betreiben einer Brennkraftmaschine A method of operating an internal combustion engine
10/20/2011DE102010027975A1 Verfahren und Vorrichtung zur Eigendiagnose einer Abgassonde Method and apparatus for self-diagnosis of an exhaust gas probe
10/19/2011EP2376864A1 Device for measuring the threshold thickness of a layer of purely resistive material, measuring method, method for dimensioning such device, and use of such device in an exhaust pipe
10/19/2011EP2376754A1 Method and apparatus for testing a catalyst material
10/19/2011EP2376750A1 Scr closed loop control system
10/19/2011CN102224329A Catalyst deterioration diagnostic device for internal combustion engine
10/18/2011US8037738 Particulate matter sensor
10/13/2011WO2011126429A1 Device and method for detecting a state of a sensor in the exhaust system of a motor vehicle
10/13/2011WO2011124968A1 Exhaust gas control apparatus and method for internal combustion engine
10/13/2011US20110247317 Catalyst temperature estimating device and catalyst temperature estimating method
10/13/2011DE102010003705A1 Verfahren zum Heizen eines Katalysators in einem Motorsystem und zur Diagnose der Wirksamkeit von Maßnahmen zum Heizen des Katalysators A method of heating a catalyst in an engine system and for diagnosing the effectiveness of measures for heating the catalyst,
10/12/2011EP1685314B8 Control apparatus and control method for internal combustion engine provided with secondary air supply
10/12/2011EP1682755B1 Method for the operation of an internal combustion engine
10/12/2011EP1529930B1 Exhaust gas cleaner
10/12/2011CN202007698U Engine exhaust back pressure detection device and particulate trapping regeneration control system
10/12/2011CN102216583A Method for regenerating an open particle separator
10/12/2011CN102216581A Urea monitoring and replenishment scheduling of vehicles
10/12/2011CN102213131A Exhaust gas purification system abnormality diagnosing device and abnormality diagnosing method, and exhaust gas purification system
10/12/2011CN102213130A Method for regenerating a particulate filter and motor vehicle
10/11/2011US8036814 Calibration scheme for an exhaust gas sensor
10/06/2011WO2011084814A3 Apparatus, system, and method for mitigating diesel exhaust fluid deposits and associated conditions
10/06/2011WO2011041585A3 System, method, and apparatus for determining aftertreatment fluid quality
10/06/2011US20110239629 Flue gas purifying device
10/06/2011US20110239628 Exhaust gas purification system abnormality diagnosing device and abnormality diagnosing method, and exhaust gas purification system
10/06/2011US20110239627 Apparatus and method for monitoring oxidation catalyst functionality
10/06/2011DE10358495B4 Verfahren zur Erkennung des Zustands eines Katalysators mittels Mikrowellen Method for detecting the state of a catalyst by means of microwaves
10/06/2011DE102011014813A1 Method for determination of current operating point of particle-pretreatment emission of motor vehicle combustion engine, involves determining multiple characteristics by current engine operating point
10/05/2011CN102209841A Exhaust component having permanently associated life indicator
10/05/2011CN102209838A Method for diagnosing the performance of a catalytic converter
10/05/2011CN102207015A Temperature prediction device and method for selective catalytic reduction (SCR) catalytic converter
10/04/2011US8030086 Method, particle sensor and particle sensor system for measuring particles
09/2011
09/29/2011WO2011119090A1 Method for adaption of a mass flow sensor
09/29/2011WO2011119089A1 Method for determining a relationship between the operating time for an injector of a cylinder in a combustion engine and the amount of fuel injected by the injector
09/29/2011WO2011117492A1 Method for monitoring the pollutant emissions of a combustion engine
09/29/2011WO2011034744A3 Surface gap soot sensor for exhaust
09/29/2011US20110232269 Catalyst deterioration diagnostic device for internal combustion engine
09/29/2011US20110232268 Particulate matter sensor
09/29/2011US20110232265 Approach for Detecting Reductant Availability and Make-Up
09/29/2011DE112009001451T5 Verfahren zum Erhöhen der Genauigkeit von Schätzwerten der Rußbeladung A method for increasing the accuracy of estimates of carbon black loading
09/29/2011DE102010012988A1 Verfahren zur Diagnose eines flüssigkeitsgekühlten Abgaskrümmers einer Brennkraftmaschine A method of diagnosing a liquid cooled exhaust manifold of an internal combustion engine
09/29/2011DE102010012630A1 Method for determining low filling level of e.g. liquid urea-water solution in flat tank for selective catalytic reduction of nitrogen oxide compound in exhaust gas in motor car, involves changing monitoring step if level plane is exceeded
09/29/2011DE102010003324A1 Verfahren zur Funktionsüberwachung eines Partikelfilters Method for monitoring the function of a particle filter
09/29/2011DE102010003203A1 Verfahren zum Prüfen der Funktionalität eines Abgasrückführventils einer Brennkraftmaschine Method for testing the functionality of an exhaust gas recirculation valve of an internal combustion engine
09/28/2011EP2369146A1 Method of diagnosing regeneration failure of exhaust purifying device
09/28/2011EP2188506B1 Nox sensor malfunction diagnostic device and malfunction diagnostic method
09/28/2011EP1784562B1 Secondary air supply apparatus and control method for the same
09/22/2011WO2011113622A1 Device and method for exhaust-gas measurement
09/22/2011WO2011113454A1 Method and device for controlled dosing of a gas with fluctuating supply pressure
09/22/2011US20110225956 Exhaust purification apparatus for internal combustion engine
09/22/2011US20110225954 Sensor for exhaust gas purifying apparatus
09/22/2011US20110225953 Exhaust chamber in motorcycle exhaust system
09/22/2011US20110225951 Internal combustion engine exhaust gas control apparatus and abnormality determining method thereof
09/21/2011EP2366879A2 Control method of internal combustion engine
09/21/2011EP2366877A1 Sensor for exhaust gas purifying apparatus
09/21/2011CN102191982A Method and apparatus for regenerating a particulate filter system
09/21/2011CN102191979A Engine-out NOx virtual sensor for an internal combustion engine
09/21/2011CN102191972A Diesel particulate filter regeneration control using a wide band oxygen sensor
09/15/2011WO2011112985A1 Control system for doser compensation in an scr system
09/15/2011WO2011110920A1 Abnormality determination apparatus for particulate filter
09/15/2011WO2011110912A1 Catalyst degradation detection apparatus
09/15/2011US20110219754 Exhaust gas purification apparatus of an internal combustion engine
09/15/2011US20110219750 Exhaust gas purifying apparatus for internal combustion engine
09/15/2011US20110219747 Control system for doser compensation in an scr system
09/15/2011DE102010002691A1 Verfahren und Vorrichtung zur Diagnose eines Partikelfilters Method and apparatus for diagnosis of a particulate filter
09/14/2011CN102182534A Tail gas purification device for diesel engine
09/13/2011US8015799 Multicylinder internal combustion engine
09/09/2011WO2011107686A1 Method for detecting the defective operation of a particulate filter of a pollution control system
09/08/2011US20110214422 Rich fuel mixture super-turbocharged engine system
09/08/2011US20110214414 Electrically heated particulate filter enhanced ignition strategy
09/08/2011DE102010002610A1 Method for evaluation of reducing agent solution placed in reservoir on board of vehicle, involves varying reducing agent solution supply rates as reaction on concentration of reducing agent solution to maintain emission control performance
09/07/2011EP1956209B1 Exhaust purifier for internal combustion engine
09/02/2011DE202009017815U1 Optimiertes Erfassungssystem für diskrete Pegel für ein Fahrzeugreduktionsreservoir Optimized detection system for discrete level for a vehicle reduction reservoir
09/01/2011WO2011106625A1 Soot sensor system
09/01/2011WO2011104458A1 Method for controlling the pollutant emissions of a combustion engine
09/01/2011WO2011104451A1 Method for controlling a system for the treatment of the exhaust gases of an internal combustion engine
09/01/2011US20110209460 Systems And Methods For Determining A Particulate Load In A Particulate Filter
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