| Patents for F01N 11 - Monitoring or diagnostic devices for exhaust-gas treatment apparatus (7,022) |
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| 08/29/2012 | CN101652552B Process for determining particle emission in the exhaust fume stream from an internal combustion engine |
| 08/29/2012 | CN101479598B Diagnosis of a cracked multi-chamber solid-electrolyte gas sensor |
| 08/28/2012 | CA2657296C School bus crossing gate and system for automatic activation |
| 08/23/2012 | WO2012110210A1 Method for model-based determination of the temperature distribution of an exhaust gas post-treatment unit |
| 08/23/2012 | US20120210700 Method to monitor pressure drop across a selective catalyst reducer for engine and exhaust airflow diagnostics |
| 08/23/2012 | US20120210698 Method and device for determining the conversion capacity of a catalytic converter for cleaning exhaust gas |
| 08/23/2012 | DE19801629B4 Katalysatordiagnoseverfahren und Vorrichtung Catalyst diagnostic methods and apparatus |
| 08/23/2012 | DE102012200763A1 Erfassungsgerät Acquisition device |
| 08/23/2012 | DE102012101190A1 Vorrichtung zum Steuern eines Verbrennungsmotors An apparatus for controlling an internal combustion engine |
| 08/23/2012 | DE102011004562A1 Verfahren und Vorrichtung zum Betreiben einer Brennkraftmaschine Method and device for operating an internal combustion engine |
| 08/23/2012 | DE102011004557A1 Verfahren zum Betreiben einer Abgasanlage einer Brennkraftmaschine Method for operating an exhaust system of an internal combustion engine |
| 08/23/2012 | DE102011004380A1 Verfahren und Vorrichtung zur Bestimmung der Konvertierungsfähigkeit eines Katalysators zur Abgasreinigung Method and apparatus for determining the conversion efficiency of a catalyst for exhaust gas purification |
| 08/22/2012 | CN202391525U Device for post treatment of exhaust emission of diesel engine |
| 08/22/2012 | CN102644501A Method and device for determining conversion capacity of catalytic converter for cleaning exhaust gas |
| 08/22/2012 | CN101454547B Operation method and device of tail-gas secondary treatment device |
| 08/16/2012 | WO2012108809A1 Method of evaluating a fuel injector |
| 08/16/2012 | WO2012108795A1 Method of calibration of a fuel injector in an exhaust aftertreatment system |
| 08/16/2012 | US20120204537 Adaptive diesel particulate filter regeneration control and method |
| 08/16/2012 | DE102011103346A1 Verfahren zur modellbasierten Bestimmung der Temperaturverteilung einer Abgasnachbehandlungseinheit Method for model-based determination of the temperature distribution of an exhaust gas treatment unit |
| 08/16/2012 | DE102011004150A1 Method for releasing clamping of metering valve of aqueous urea solution metering system for selective catalytic reduction converter of internal combustion engine, involves entering temperature using holding current control of valve |
| 08/16/2012 | DE102011004119A1 Method for checking plausibility of output signal of exhaust sensor arranged in exhaust passage of internal combustion engine, involves determining operating parameters of internal combustion engine by control unit |
| 08/16/2012 | DE102011004073A1 Verfahren und Vorrichtung zur Diagnose der elektrischen Kontaktierung eines Abgassensors Method and apparatus for the diagnosis of an exhaust gas sensor electrical contact |
| 08/15/2012 | EP2059665B1 Air-fuel ratio control apparatus and air-fuel ratio control method for internal combustion engine |
| 08/15/2012 | EP1846643B1 Method for positioning a sensor in a honeycomb element, corresponding motor vehicle |
| 08/15/2012 | CN101818675B Liquid storage tank pressurized urea solution metering injection system for diesel vehicle |
| 08/09/2012 | WO2012105890A1 Method and system for regeneration of a particle filter |
| 08/09/2012 | US20120198820 System and method for estimating an amount of particulate matter accumulated in a particulate filter |
| 08/09/2012 | DE102012201587A1 Vorrichtung zur Steuerung eines NOx-Sensors An apparatus for controlling a NOx sensor |
| 08/09/2012 | DE102012201504A1 Verschlechterungsbestimmungssystem für eine abgasemissionssteuerungsvorrichtung Deterioration determination system for an exhaust emission control device |
| 08/09/2012 | DE102012001749A1 System und Verfahren zum Schätzen einer Menge von Feststoffteilchen, die sich in einem Partikelfilter angesammelt haben System and method for estimating an amount of particulates which have accumulated in a particulate filter |
| 08/09/2012 | DE102011010507A1 Method for monitoring reducing agent tank in motor car, involves monitoring switch whose actuation state depends of state of cap of tank, and checking correct operation of switch continuously or repeatedly |
| 08/09/2012 | DE102011003748A1 Method for monitoring functioning of differential pressure sensor in exhaust gas after-treatment system of diesel engine, involves closing defective front terminal or rear terminal with change in stationary measured pressure difference |
| 08/09/2012 | DE102011003740A1 Method for monitoring differential pressure sensor in exhaust gas treatment system of internal combustion engine, involves determining defect of differential pressure sensor when flow resistance values of particle filter are different |
| 08/09/2012 | DE102011003588A1 Method for monitoring function of particulate filter in exhaust gas after-treatment system of engine, involves closing defective filter when differential pressure or absolute pressure in gas flow direction is below minimum value |
| 08/09/2012 | DE102009003469B4 Anomaliebestimmungsvorrichtung für einen elektrisch erwärmbaren Katalysator Abnormality determination apparatus for an electrically heatable catalytic converter |
| 08/09/2012 | DE102007057632B4 Luft/Kraftstoff-Verhältnis-Steuervorrichtung für einen Verbrennungsmotor Air / fuel ratio control apparatus for an internal combustion engine |
| 08/09/2012 | DE102007044863B4 Verfahren und Vorrichtung zur Modellierung der Temperatur eines Katalysators Method and device for modeling the temperature of a catalyst |
| 08/09/2012 | DE102006007417B4 Verfahren und Vorrichtung zum Betreiben einer Brennkraftmaschine Method and device for operating an internal combustion engine |
| 08/09/2012 | DE102005041537B4 Verfahren zur Überwachung eines Rußpartikelfilters Method for monitoring a soot particle filter |
| 08/08/2012 | EP2483535A1 Device for injecting a gaseous reducing agent into an exhaust line |
| 08/08/2012 | EP2310646B1 Method for operating a urea-water solution metering system |
| 08/08/2012 | CN202370624U Exhaust aftertreatment device and automobile |
| 08/08/2012 | CN102628386A System and method for estimating an amount of particulate matter accumulated in a particulate filter |
| 08/08/2012 | CN101896700B Method and device for diagnosing a particle filter |
| 08/07/2012 | US8234853 Catalyst degradation determining method |
| 08/02/2012 | WO2012102666A1 Exhaust post-treatment system for a combustion engine |
| 08/02/2012 | WO2012102664A1 Method for supervision and adjustment of an exhaust posttreatment system |
| 08/02/2012 | US20120192548 System and method for monitoring reductant quality |
| 08/02/2012 | DE10326784B4 Abgasreinigungsanlage einer Brennkraftmaschine Emission control system of an internal combustion engine |
| 08/02/2012 | DE102011010011A1 Method for detecting malfunctions of exhaust gas treatment system of internal combustion engine, involves determining efficiency of silicon-controlled rectifier catalyst for aftertreatment of nitrogen oxides |
| 08/02/2012 | DE102011003499A1 Method for monitoring dosing system, particularly for selective catalytic reduction catalytic converter, involves comparing control value of feed pump with predetermined reference values |
| 08/02/2012 | DE102011003493A1 Method for checking operation of catalyst in exhaust system of internal combustion engine for motor vehicle, involves determining oxygen storage ability of catalyst using primary lambda probe after introducing reducing agent in catalyst |
| 08/02/2012 | DE102011003359A1 Method for monitoring function of e.g. metering valve of exhaust system for internal combustion engine to perform selective catalytic reduction, involves examining difference between pre-processed curve and decimated and interpolated curve |
| 08/02/2012 | DE102011003332A1 Method for monitoring function of reagent injection system of selective catalytic reduction system, involves determining presence of blockage of injection based on relationship of requested reagent dosage and metered dosage of reagent |
| 08/02/2012 | DE102011003327A1 Method for detecting loading condition of filter, particularly fine filter in selective catalytic reduction dosing system, involves arranging filter between feed pump and dosing unit |
| 08/02/2012 | DE102007029872B4 Abgasreinigungsvorrichtung für einen Verbrennungsmotor sowie Abgasreinigungsverfahren dafür An exhaust purification device for an internal combustion engine and exhaust gas purification method for |
| 08/01/2012 | EP2480766A2 Combustion engine system comprising a catalyst |
| 08/01/2012 | CN202360194U Detecting device for exhaust temperature of diesel engine |
| 08/01/2012 | CN102619603A Automobile exhaust monitoring system |
| 08/01/2012 | CN102619602A Method for detecting loading condition of filter, particularly fine filter in selective catalytic reduction dosing system, involves arranging filter between feed pump and dosing unit |
| 08/01/2012 | CN101907014B Electrically heated particulate filter incomplete regeneration identification system and method |
| 07/26/2012 | WO2012048308A3 Spark emission particle detector |
| 07/26/2012 | US20120191288 On-board diagnostics system and method |
| 07/26/2012 | US20120186570 Device Generating Exhaust Gas, Especially A Boat, Comprising A System For Determining The Volume Of Exhaust Gas |
| 07/26/2012 | US20120186455 Method of manufacturing exhaust gas purifying apparatus and exhaust gas purifying apparatus |
| 07/26/2012 | US20120186234 Diesel particulate filter control |
| 07/26/2012 | US20120186227 Particle sensor, exhaust system and method for determining particles in the exhaust gas |
| 07/26/2012 | DE102012201076A1 Erfassungsvorrichtung Detection device |
| 07/26/2012 | DE102012001251A1 Verfahren und vorrichtung zur an-bord-überwachung der leistungsfähigkeit eines oxidationskatalysators Method and device for on-board-monitor the performance of an oxidation catalyst |
| 07/26/2012 | DE102012000841A1 An-Bord-Diagnosesystem und -verfahren On-board diagnostic system and method |
| 07/26/2012 | DE102011078870A1 Method for monitoring functions of dosing system, particularly metering system for selective catalytic reduction catalyst, involves clocked dosing of liquid medium by feed pump and metering valve |
| 07/26/2012 | DE102011009179A1 Processing system for exhaust after treatment system of internal combustion engine, has processing device with two interfaces, where former interface is formed for receiving multiple input signals supplied by sensors |
| 07/26/2012 | DE102011003106A1 Verfahren zur Überwachung der Freigabe eines Systems Procedures for monitoring the release of a system |
| 07/26/2012 | DE102011003084A1 Method for monitoring exhaust gas purification system of internal combustion engine, involves comparing signal of nitrogen-oxide sensor with signal of another nitrogen-oxide sensor |
| 07/25/2012 | EP2478197A1 Arrangement and method for operating an exhaust gas aftertreatment device |
| 07/25/2012 | EP2478196A1 Arrangement and method for operating an exhaust gas post-treatment device |
| 07/25/2012 | CN202348455U Engine protection device based on turbine rear exhaust temperature |
| 07/25/2012 | CN202348393U Three-control oxygen sensor |
| 07/25/2012 | CN102606267A On-board diagnostics system and method |
| 07/25/2012 | CN102606266A Particle sensor, exhaust system and method for determining particles in the exhaust gas |
| 07/25/2012 | CN101985894B Method of monitoring hydrocarbon levels in a diesel particulate filter |
| 07/25/2012 | CN101936207B Method for estimation of soot level within an diesel particulate filter of diesel engine |
| 07/19/2012 | WO2012096675A1 Exhaust gas sensor module |
| 07/19/2012 | WO2012096513A2 Mounting structure for differential pressure sensor of exhaust gas after-treatment device for diesel engine |
| 07/19/2012 | US20120180458 Abnormality detection apparatus for particulate filter |
| 07/19/2012 | US20120180457 Exhaust gas sensor module |
| 07/19/2012 | US20120180455 Method for diagnosing an exhaust gas post-treatment |
| 07/19/2012 | DE102011002856A1 Verfahren zur Erfassung mindestens eines Parameters eines Gases A method for detecting at least one parameter of a gas |
| 07/19/2012 | DE102011000153A1 Verfahren zur Diagnose einer Abgasnachbehandlung A method of diagnosing an exhaust gas aftertreatment |
| 07/19/2012 | DE102010044661B4 Verfahren zum Ermitteln einer Verzögerungszeit einer Vorkatlambdasonde sowie Verfahren zum Ermittlen der Sauerstoffspeicherfähigkeit eines Sauerstoffspeichers A method for determining a delay time of a Vorkatlambdasonde Ermittlen and methods for the oxygen storage capacity of an oxygen storage |
| 07/19/2012 | DE102010033713B4 Verfahren zum Ermitteln der Sauerstoffspeicherkapazität eines Katalysators Method for determining the oxygen storage capacity of a catalyst |
| 07/19/2012 | DE102006044886B4 Abgasbehandlungssystemdiagnose über Ammoniumnitritzerlegung Exhaust gas treatment system diagnostics ammonium nitrite decomposition |
| 07/18/2012 | EP2476875A1 Engine exhaust emission control device and engine exhaust emission control method |
| 07/18/2012 | CN102588058A Testing system for post-processing device of engine |
| 07/18/2012 | CN102588057A Particulate matter sensor with prolonged service life |
| 07/18/2012 | CN102588056A System and method for estimating a mass of particulate matter accumulated in a particulate filter |
| 07/18/2012 | CN102588045A Sampling device for exhaust particles of engine |
| 07/12/2012 | WO2012092974A1 Internal combustion engine with exhaust after treatment and its method of operation |
| 07/12/2012 | US20120174900 Apparatus and method for detecting variation abnormality in air-fuel ratio between cylinders |
| 07/12/2012 | US20120174653 Pm emission amount estimation device for diesel engine |