| Patents for F01N 11 - Monitoring or diagnostic devices for exhaust-gas treatment apparatus (7,022) |
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| 12/13/2012 | DE112010003670T5 Oberflächenspalt-Russsensor für Abgas Surface gap soot sensor for exhaust |
| 12/13/2012 | DE102012209553A1 Verfahren und systeme zur überwachung von partikelfiltern Procedures and systems for monitoring particle filters |
| 12/13/2012 | DE102012209469A1 System und Verfahren zum Bestimmen einer Ammoniak-erzeugungsrate in einem Dreiwege-Katalysator System and method for determining an ammonia production rate in a three-way catalyst |
| 12/13/2012 | DE102012012428A1 Device for qualitative examination of spray preparation of dosing system for aftertreatment of exhaust gases of internal combustion engine by aqueous urea solution, has absorbent laminar medium for receiving spray image |
| 12/13/2012 | DE102011077353A1 Method for compensating current-voltage characteristic of single-cell oxygen sensor used in internal combustion engine, involves determining direct current resistance of sensor by negative pumping current and corresponding voltage |
| 12/13/2012 | DE102011077097A1 Method for diagnosing particulate filter in exhaust gas duct of e.g. diesel engine of passenger car, involves non-classifying validation of diagnosis result for filter depending on filter validation rather than filter diagnosis result |
| 12/13/2012 | DE102011056460A1 Niederdruck-abgasrückführungs(egr)-system und verfahren zur prüfung von wirkungsgrad von niederdruck-egr-kühler Low-pressure exhaust gas recirculation (egr) -system and procedures for testing of efficiency of low-pressure-egr-cool |
| 12/12/2012 | EP2531706A1 Diagnostic method for a soot sensor |
| 12/12/2012 | CN202596860U Diesel engine with dynamic temperature and noise test adjusting device |
| 12/12/2012 | CN102822465A Exhaust gas control apparatus and method for internal combustion engine |
| 12/12/2012 | CN102817686A Particulate filter monitoring methods and systems |
| 12/12/2012 | CN102817685A Fliting method and filter of nitrogen oxide sensor for exhaust system |
| 12/12/2012 | CN102817684A Diagnostic method and diagnostic module for filter of nitrogen oxide sensor of exhaust system |
| 12/12/2012 | CN102817682A Non-automotive heavy-duty diesel engine SCR (semiconductor control rectifier) device and method |
| 12/12/2012 | CN102817676A Method for operating a spark-ignition, direct-injection internal combustion engine |
| 12/12/2012 | CN102817675A System and method for determining an ammonia generation rate in a three-way catalyst |
| 12/12/2012 | CN102182534B Tail gas purification device for diesel engine |
| 12/12/2012 | CN101749092B On board diagnostic monitor of nox conversion efficiency for aftertreatment device |
| 12/06/2012 | US20120304736 Method, particle sensor and particle sensor system for measuring particles |
| 12/06/2012 | DE112011100156T5 Abnormitätsbestimmungsvorrichtung für einen partikelerfassungssensor Abnormitätsbestimmungsvorrichtung for a particle-detecting sensor |
| 12/06/2012 | DE102011076955A1 Method for diagnosing dosing system used for metering reagent in exhaust gas channel of internal combustion engine, involves generating error signal, if level of pressure drop of pump is below lower limit or exceeds tolerance band |
| 12/06/2012 | DE102010063811B4 Verfahren und Vorrichtung zum Betreiben einer in einem Abgastrakt einer Brennkraftmaschine stromabwärts oder in einem Abgaskatalysator angeordneten Abgassonde Method and apparatus for operating a downstream in an exhaust tract of an internal combustion engine or a catalytic converter arranged in the exhaust gas probe |
| 12/05/2012 | EP2529093A1 Estimation of nitrogen oxides and ammonia |
| 11/29/2012 | WO2012160009A1 Method and device for operating an scr system |
| 11/29/2012 | WO2012159934A1 Storage vessel for a liquid, and method for measuring the electric conductivity of a liquid |
| 11/29/2012 | WO2012159815A1 Sensor for detecting the quality of a fluid |
| 11/29/2012 | WO2012096513A3 Mounting structure for differential pressure sensor of exhaust gas after-treatment device for diesel engine |
| 11/29/2012 | WO2011107686A9 Method for detecting the defective operation of a particulate filter of a pollution control system |
| 11/29/2012 | US20120303206 GAIN/AMPLITUDE DIAGNOSTICS OF NOx SENSORS |
| 11/29/2012 | US20120297751 Method for determining load of a particulate filter |
| 11/29/2012 | DE102012208638A1 Diagnose von Verstärkung/Amplitude von NOx-Sensoren Diagnosis of gain / amplitude of NOx sensors |
| 11/29/2012 | DE102012208540A1 Verfahren zur überwachung eines abgaspartikelfilters Method for monitoring an exhaust particulate filter |
| 11/29/2012 | DE102012207392A1 Abgasreinigung mit einem Partikelsensor Exhaust gas cleaning with a particle sensor |
| 11/29/2012 | DE102011076509A1 Method for performing on board diagnosis of e.g. exhaust gas system of motor car, involves adjusting manipulated variables, and making decision whether to perform diagnosis process again in response to determined state variables |
| 11/29/2012 | DE102011076498A1 Sensor device for detecting characteristic of gas in measuring gas space and for exhaust gas system for processing exhaust gas of internal combustion engine, has sensor element with electromechanical measuring cell and heating element |
| 11/28/2012 | EP2527033A1 Catalyst for purification of exhaust gas, regeneration method for the catalyst, and apparatus and method for purification of exhaust gas using the catalyst |
| 11/28/2012 | CN102803675A Apparatus, system, and method for mitigating diesel exhaust fluid deposits and associated conditions |
| 11/28/2012 | CN102797546A Gain/amplitude diagnostics of NOx sensors |
| 11/28/2012 | CN102797545A Emission control with a particulate matter sensor |
| 11/28/2012 | CN102797536A Method for determining load of particulate filter |
| 11/28/2012 | CN102322324B Vehicle-mounted monitoring system and method for three-way catalytic converter for vehicle |
| 11/28/2012 | CN101957267B System and method for detecting oxygen storage capacity of catalyst on stand |
| 11/26/2012 | DE202012007226U1 Vorrichtung zur Partikelmessung Apparatus for particle measurement |
| 11/22/2012 | US20120291424 Diagnostic apparatus for catalyst in fuel-property reforming system |
| 11/22/2012 | US20120291421 Exhaust treatment methods and systems |
| 11/22/2012 | US20120291417 Engine exhaust component |
| 11/22/2012 | DE102012207891A1 Systeme und Verfahren zur Detektion einer Drucksensorunterbrechung Systems and methods for detecting a pressure sensor interruption |
| 11/22/2012 | DE102012203572A1 Control device for controlling fuel supply in internal combustion engine of vehicle, has catalyzer-deterioration diagnostic-inhibition part inhibiting diagnose parameter obtained by diagnostic unit based on temperature of transducer |
| 11/22/2012 | DE102011102008A1 Verfahren und Vorrichtung zur Überprüfung der Funktionsfähigkeit, insbesondere der Oxidationsfähigkeit, eines in der Abgasleitung einer mit Luftüberschuss betriebenen Brennkraftmaschine verbauten NO-Oxidationskatalysators Method and apparatus for checking the operation, in particular the oxidation ability of a built-up in the exhaust pipe of an air driven surplus engine NO oxidation catalyst |
| 11/22/2012 | DE102011076134A1 Method for diagnosing error of exhaust gas tube arranged in exhaust channel of internal combustion engine, involves evaluating output signals of exhaust gas tubes for error diagnosis |
| 11/22/2012 | DE102011075875A1 Method for calculating nitrogen oxide exhaust emission before catalytic converter phase of exhaust system for e.g. diesel engine of car, involves performing correcting function dependent on calculated exhaust emission by boost pressure |
| 11/22/2012 | DE102009002602B4 Regenerationsvorrichtung für einen Abgassensor und Gassteuersystem mit dieser Regeneration device for an exhaust gas sensor and gas control system with this |
| 11/22/2012 | DE102006051465B4 Verfahren und Vorrichtung zur Steuerung eines Verbrennungsmotors Method and apparatus for controlling an internal combustion engine |
| 11/21/2012 | EP2525060A2 Method and device for testing the functionality, in particular the oxidation capacity of an NO oxidation catalytic converter installed in the waste gas line of a combustion engine operated with excess air |
| 11/21/2012 | EP2523829A1 Method and system for external indication of regeneration of a particulate filter in vehicle exhaust system. |
| 11/21/2012 | CN202544972U Selective catalytic reduction (SCR) treatment liquid storage device |
| 11/21/2012 | CN102791983A Device and method for exhaust-gas measurement |
| 11/21/2012 | CN102791982A Catalyst degradation detection apparatus |
| 11/21/2012 | CN102787924A Method for biodiesel blending detection based on fuel post-injection quantity evaluation |
| 11/21/2012 | CN102787896A 传感器 Sensor |
| 11/21/2012 | CN102787895A Pressure sensor disconnection detection systems and methods |
| 11/21/2012 | CN102787887A Control device of internal combustion engine |
| 11/21/2012 | CN101818681B Exhaust treatment diagnostic system and method |
| 11/21/2012 | CN101344028B Method for determining malfunction of nitrogen oxide sensor and selective catalytic reduction system operating the same |
| 11/15/2012 | WO2012154491A1 Secondary air system diagnostic test |
| 11/15/2012 | US20120290190 System for Determining EGR Cooler Degradation |
| 11/15/2012 | US20120285145 Method and device for estimating nox emissions in combustion engines |
| 11/15/2012 | US20120285139 Emissions control diagnostic method and system |
| 11/15/2012 | DE202012004072U1 SCR-Testreaktor SCR test reactor |
| 11/15/2012 | DE10230918B4 Aktivierungsverfahren und Vorrichtung für katalytische Konverter Activation process and apparatus for catalytic converters |
| 11/15/2012 | DE102012207823A1 Harnstoffinjektordiagnose unter verwenden von spektralanalyse für ein scr-nox-reduktionssystem Harnstoffinjektordiagnose under use of spectral analysis for an SCR NOx reduction system |
| 11/15/2012 | DE102012207721A1 Verfahren zum Management von Ammoniakschlupf Procedure for the management of ammonia slip |
| 11/15/2012 | CA2828324A1 Secondary air system diagnostic test |
| 11/14/2012 | CN202533211U Urea pressure detection apparatus for diesel vehicle SCR system |
| 11/14/2012 | CN202531260U Waste gas treatment box of mining anti-explosion diesel engine |
| 11/14/2012 | CN101589215B Method for achieving plausibility of a pressure difference value determined by means of a particle filter |
| 11/08/2012 | WO2012151442A1 Control techniques for an scr aftertreatment system |
| 11/08/2012 | US20120280819 Efficiency determination for a selective-catalytic-reduction catalyst |
| 11/08/2012 | US20120279203 Exhaust gas purification system for hydraulic operating machine |
| 11/08/2012 | DE112010003413T5 Verdünnungssystemprüfgerät mit erweiterter Fähigkeit und Verfahren zum Betreiben desselben The same Verdünnungssystemprüfgerät with extended capability and methods of operating |
| 11/08/2012 | DE102011054733A1 Abgas-kondensat-steuerverfahren und abgas-rückführungs-system davon/dafür Exhaust condensate-control method and exhaust gas recirculation system which / for |
| 11/07/2012 | CN202520406U Particulate matter sensor with prolonged service life |
| 11/07/2012 | CN102767414A Method for reducing automobile emission through dynamic monitoring of exhaust emission of automobile |
| 11/07/2012 | CN102767413A Efficiency determination for selective-catalytic-reduction catalyst |
| 11/07/2012 | CN102155278B Vehicle-mounted oxyhydrogen-making machine-based internal-combustion engine emission control device and control method thereof |
| 11/07/2012 | CN101169064B Oxygen storage capacity determination method of exhaust gas purification device |
| 11/06/2012 | US8306710 Method for diesel particulate filter regeneration in a vehicle equipped with a hybrid engine background of the invention |
| 11/06/2012 | US8303174 Temperature sensor plausibility diagnosis unit and plausibility diagnosis method and internal combustion engine exhaust purification apparatus |
| 11/06/2012 | US8302378 Degradation diagnosis device for catalyst |
| 10/31/2012 | EP2516816A2 Apparatus, system, and method for mitigating diesel exhaust fluid deposits and associated conditions |
| 10/31/2012 | EP2516815A1 Method for regenerating a particle filter |
| 10/31/2012 | DE112010004124T5 Diagnoseverfahren und -vorrichtung für thermische Regenerator-Nachbehandlungsvorrichtung Diagnostic method and apparatus for thermal regenerator aftertreatment device |
| 10/31/2012 | DE102010009042B4 Steuersystem und -verfahren zur Bestimmung eines Ammoniak-Speicherzustands eines SCR-Katalysators auf der Basis eines Stick-oxid (NOx)-Sensors Control system and method for determining an ammonia storage state of an SCR catalyst based on a stick-oxide (NOx) sensor |
| 10/31/2012 | DE102008018045B4 Vorrichtung zum Bestimmen einer Filterverstopfung für einen Dieselmotor Means for determining a filter clogging for a diesel engine |
| 10/31/2012 | DE102007000892B4 Gerät zum Diagnostizieren eines anomalen Betriebs eines Gerätes zum Erfassen einer Druckdifferenz für ein Brennkraftmaschinenabgassystem Apparatus for diagnosing an abnormal operation of a device for detecting a pressure difference for an engine exhaust system |
| 10/31/2012 | DE10156476B4 Verfahren zur Erkennung der fortschreitenden Verschwefelung eines NOx-Speicherkatalysators Method for detecting the progressive Verschwefelung a NOx storage catalyst |
| 10/31/2012 | DE10125759B4 Verfahren zur Ermittlung eines Beladungszustandes eines NOx-Speicherkatalysators Method for determining a load state of an NOx storage catalytic converter |
| 10/30/2012 | US8297042 Exhaust purification device of internal combustion engine |
| 10/26/2012 | WO2012144949A1 Method and device for determination of remaining volume of reducing agent in a container pertaining to an scr system |
| 10/26/2012 | WO2012144945A1 Method and device for determining the dosed reducing agent volume in an scr system |