| Patents for F01N 11 - Monitoring or diagnostic devices for exhaust-gas treatment apparatus (7,022) |
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| 06/11/2014 | CN103850768A Methods and systems for a particulate matter sensor |
| 06/11/2014 | CN103850767A Flexible active control method for exhaust noise of pneumatic device |
| 06/11/2014 | CN103850757A Tail gas filter unit for diesel engine |
| 06/11/2014 | CN103850756A Automobile tail gas dustproof purifying device |
| 06/05/2014 | US20140156172 Exhaust humidity sensor |
| 06/05/2014 | US20140150541 On-board diagnostics system |
| 06/05/2014 | US20140150406 Methods and systems for a particulate matter sensor |
| 06/05/2014 | DE102013224016A1 Ermittlung eines Alterungsniveaus eines Dieseloxidationskatalysators unter Verwendung einer NO2-Interferenz eines NOX-Sensors Determining a level of aging of a diesel oxidation catalyst using an NO2-interference of a NOx sensor |
| 06/05/2014 | DE102013224014A1 Verfahren und System zum Auslösen eines Motornachlaufzustands und zum Steuern eines Selbstdiagnosewerkzeugs für Stickoxidsensoren A method and system for triggering a motor hunt state and for controlling a self-diagnostic tool for nitrogen oxide sensors |
| 06/05/2014 | DE102013223993A1 Diagnosebetriebsstrategie für die Ermittlung eines Alterungsniveaus eines Dieseloxidationskatalysators unter Verwendung einer NO2-Interferenz von NOx-Sensoren Diagnostic operating strategy for the determination of a level of aging of a diesel oxidation catalyst using an NO2-interference of NOx sensors |
| 06/05/2014 | DE102013222502A1 Systeme und Verfahren zur Detektion eines Defekts eines Abgassauerstoffsensors unter Verwendung einer Kraftstoffdampfspülrate Systems and methods for detecting a defect of an exhaust gas oxygen sensor using a Kraftstoffdampfspülrate |
| 06/05/2014 | DE102012222104A1 Method of operating internal combustion engine in motor vehicle, involves determining malfunction of injection system by evaluating particle concentration in internal combustion engine |
| 06/05/2014 | DE102012221905A1 Verfahren zum Betreiben eines Abgasnachbehandlungssystems mit wenigstens einer ersten SCR-Einrichtung und wenigstens einer zweiten SCR-Einrichtung Method for operating an exhaust gas aftertreatment system with at least one first SCR device and at least a second SCR device |
| 06/05/2014 | DE102012221901A1 Method for operating exhaust system used for exhausting hydrocarbon gas into engine of motor vehicle, involves concluding operation state of hydrocarbon sensor according to detected output of hydrocarbon sensor |
| 06/05/2014 | DE102012221869A1 Device for connecting sensor for determining property of fluid to fluid line or to housing part of component, has pipe piece and sensor holder connected with pipe piece, where pipe piece is connected to fluid line or to component |
| 06/05/2014 | DE102012221866A1 Arrangement for post-treatment of exhaust gas of diesel engine of motor vehicle, has pressure sensor for measuring fluid pressure in pressure line, where sensor is arranged between first portion and second portion of pressure line |
| 06/05/2014 | DE102012221828A1 Device for determining quality of aqueous urea solution for post-treatment of exhaust gas of i.e. diesel engine of e.g. passenger car with dosing system, has sensor array located in chamber to determine property of reducing agent |
| 06/05/2014 | DE102012221826A1 Apparatus for determining mass flow rate of reducing agent e.g. aqueous urea solution, has sensor arrangement that is provided in vortex chamber and is configured to determine mass flow of reducing agent |
| 06/04/2014 | CN103835791A Scr-katalysatordiagnose |
| 06/04/2014 | CN103835787A Automobile exhaust filtering silencer |
| 06/03/2014 | US8739615 Device and method of determining deterioration of catalyst |
| 05/30/2014 | WO2014079523A1 Method for monitoring the formation of nitrogen dioxide at an oxidation catalytic converter, and exhaust system |
| 05/28/2014 | EP2734717A1 Method for determining the particle count in the exhaust gas of internal combustion engines |
| 05/28/2014 | DE102013223635A1 Scr-katalysatordiagnose Scr catalyst diagnosis |
| 05/28/2014 | DE102013217641A1 Katalysatorerwärmung mit abgasgegendruck Catalyst heating with exhaust back pressure |
| 05/28/2014 | DE102013108483A1 Verfahren zur modellbasierten Regelung eines zumindest einen SCR-Katalysator aufweisenden SCR-Systems A method for model-based control of at least one SCR catalyst having SCR system |
| 05/28/2014 | DE102012221567A1 Method for operating exhaust gas after-treatment device of e.g. commercial vehicle, involves forming and storing adaptation factor based on parameters of engine for adjusting actually determined model value to actual nitrogen oxide-value |
| 05/28/2014 | DE102012221552A1 Method for operating exhaust gas sensor for determining composition of exhaust gas of internal combustion engine, involves activating different functions of exhaust gas sensor depending on operating state of exhaust gas sensor |
| 05/28/2014 | DE102012221551A1 Method for operating exhaust system for internal combustion engine, involves operating exhaust system partially in diagnostic mode, in which rich exhaust gas atmosphere is present in area of hydrocarbon sensor |
| 05/28/2014 | DE102012221549A1 Method for determining gaseous mixture composition in exhaust gas passage of internal combustion engine i.e. Otto engine, involves correcting output signal of exhaust-gas sensor with quantity dependant on composition of gaseous mixture |
| 05/28/2014 | DE102012022944A1 Verfahren zum Überwachen der Bildung von Stickstoffdioxid an einem Oxidationskatalysator und Abgasanlage A method of monitoring the formation of nitrogen dioxide in an oxidation catalyst and exhaust system |
| 05/28/2014 | DE102012022841A1 Method for monitoring operation of waste gas catalyst i.e. oxidation catalyst, of exhaust cleaning system of motor car, involves acquiring gas components of stream exhausted from catalyst when starting temperature of catalyst is low |
| 05/28/2014 | DE102012022840A1 Method for checking catalytic converter of motor vehicle, involves detecting measurement signal of sensor based on temperature of catalytic converter to verify catalytic performances of exhaust gas catalyst |
| 05/28/2014 | DE102012022839A1 Method for functional testing of exhaust gas catalytic converter, involves supplying exhaust gas stream to exhaust gas catalytic converter, removing cleaned exhaust gas stream and detecting removed exhaust gas stream using sensor |
| 05/28/2014 | DE102006035450B4 Abgasreinigungssystem und zugehöriges Abnormalitätsbestimmungsverfahren Emission control system and associated Abnormalitätsbestimmungsverfahren |
| 05/28/2014 | DE102004021372B4 Verfahren zum Dosieren eines Reagenzmittels zur Reinigung des Abgases von Brennkraftmaschinen und Vorrichtung zur Durchführung des Verfahrens Method for dosing a reagent for the purification of the exhaust gas of internal combustion engines and apparatus for carrying out the method |
| 05/22/2014 | DE112011100156B4 Abnormitätsbestimmungsvorrichtung für einen partikelerfassungssensor Abnormitätsbestimmungsvorrichtung for a particle-detecting sensor |
| 05/22/2014 | DE102012220152A1 Verfahren zur Überprüfung eines Ammoniaksensors oder eines NH3-querempfindlichen Sensors Method for checking an ammonia sensor or an NH3-transverse-sensitive sensor |
| 05/22/2014 | DE102012220151A1 Method for checking SCR catalysts in exhaust gas system of internal combustion engine of motor car, involves altering size of ammonia sensor to output signal to ammonium cross-sensitive sensor, which is attenuated below threshold level |
| 05/22/2014 | DE102012209538B4 Verfahren und Vorrichtung zum Überprüfen der Funktionstüchtigkeit von Hydraulikkomponenten in einem Abgasnachbehandlungssystem für ein Kraftfahrzeug Method and apparatus for checking the operability of hydraulic components in an exhaust aftertreatment system for a motor vehicle |
| 05/22/2014 | DE102011103272B4 Verfahren und Vorrichtung zum Betreiben eines SCR-Systems Method and apparatus for operating an SCR system |
| 05/22/2014 | DE102007035768B4 Verfahren zur Diagnose eines in einer Abgasanlagen einer Verbrennungskraftmaschine angeordneten NOx-Sensors A method of diagnosing arranged in an exhaust system of an internal combustion engine, the NOx sensor |
| 05/21/2014 | EP2733323A1 Filter abnormality determining device |
| 05/21/2014 | CN203604022U 一种汽车排气管中段检具 An automobile exhaust pipe in the middle gages |
| 05/21/2014 | CN103808782A 运行用于机动车的以确定废气成分的传感器的方法和装置 Methods and apparatus to determine the composition of the exhaust gas sensor used for the operation of a motor vehicle |
| 05/21/2014 | CN103806995A 氨泄漏检测 Ammonia Leak Detection |
| 05/15/2014 | WO2014072718A1 An on-board diagnostics system |
| 05/15/2014 | DE10346029B4 Abgasreinigungssystem für eine Brennkraftmaschine An exhaust gas purification system for an internal combustion engine |
| 05/15/2014 | DE102013222490A1 Regeneration eines Partikelfilters auf Grundlage einer Partikelmaterial-Oxidationsrate Regeneration of a particle filter based on a particulate matter oxidation rate |
| 05/15/2014 | DE102012021929A1 Verfahren und Vorrichtung zum Betrieb eines Sensors zur Bestimmung von Abgaskomponenten, insbesondere für ein Kraftfahrzeug Method and apparatus for operating a sensor for determining the exhaust gas components, in particular for a motor vehicle |
| 05/15/2014 | DE102010049288B4 System zur Detektion eines Fehlers während eines Katalysatoranspringvorganges System for the detection of an error during a Katalysatoranspringvorganges |
| 05/14/2014 | EP2729677A1 Device for measuring urea concentration |
| 05/14/2014 | CN103790684A 一种氧化催化器的故障检测方法及装置 An oxidation catalytic converter fault detection method and apparatus |
| 05/08/2014 | WO2014070262A1 Conversion of nox in exhaust gas |
| 05/08/2014 | US20140123608 Engine-out soot flow rate prediction |
| 05/08/2014 | DE102013222311A1 System und Verfahren zur Partikelfilterregeneration System and method for particulate filter regeneration |
| 05/08/2014 | DE102013222309A1 System und Verfahren zur Partikelfilterregeneration System and method for particulate filter regeneration |
| 05/08/2014 | DE102013222308A1 Vorhersage eines Durchsatzes von den Motor verlassendem Ruß Prediction of flow of the engine soot verlassendem |
| 05/08/2014 | DE102013222300A1 Entschwefelungssteuerung für Abgasnachbehandlung Entschwefelungssteuerung for exhaust aftertreatment |
| 05/07/2014 | EP2728136A1 Ammonia slip detection |
| 05/07/2014 | CN103775182A 一种柴油机dpf的灰分量的计算、校验方法及相关装置 Calculating a diesel dpf ash content, the calibration method and associated apparatus |
| 05/07/2014 | CN103775181A 评估从内燃发动机的稀氮氧化物捕集器脱硫的方法 From the evaluation of the internal combustion engine, nitrogen oxide trap dilute desulfurization method |
| 05/07/2014 | CN102116192B 关于监测和/或控制选择性催化还原过程的系统和设备 Systems and equipment for monitoring and / or control the process of selective catalytic reduction |
| 05/06/2014 | US8713915 Catalyst overheat prevention apparatus |
| 05/01/2014 | US20140116031 Engine control system for working machine |
| 05/01/2014 | US20140116030 Systems and methods for an exhaust gas treatment system |
| 05/01/2014 | US20140116029 Exhaust temperature control |
| 04/30/2014 | DE10323979B4 Abgasbehandlungsvorrichtung für einen Verbrennungsmotor eines Kraftfahrzeugs Exhaust gas treatment device for an internal combustion engine of a motor vehicle |
| 04/30/2014 | DE102013221530A1 Filter mit exponentiell gewichtetem gleitendem mittel mit einstellbarem gewichtungsfaktor Filter with exponentially weighted sliding medium with adjustable weighting factor |
| 04/30/2014 | DE102013221407A1 Feuchtekorrekturen für kraftstoffsollwertadaption Humidity corrections for fuel setpoint adaptation |
| 04/30/2014 | CN203570399U SCR catalytic sound elimination system and SCR catalytic sound eliminator thereof |
| 04/30/2014 | CN103764965A Method for determining the particle count in the exhaust gas of internal combustion engines |
| 04/30/2014 | CN103758619A Automobile exhaust forcible maintenance method and device for implementing same |
| 04/30/2014 | CN102135027B Control device for controlling automatic engine stop and start |
| 04/30/2014 | CN102105662B Dosing system for use in an exhaust system of a combustion engine |
| 04/29/2014 | US8707686 Flexible regeneration time of diesel particulate filter based on fuel efficiency |
| 04/29/2014 | US8707677 System and method for controlling a nitrogen oxide sensor |
| 04/24/2014 | DE102012013781A1 Method for qualifying sensor measuring signal of sensor in exhaust gas system of internal combustion engine of motor vehicle, involves detecting sensor measuring signal and applying plausibility check on sensor measurement signal |
| 04/23/2014 | CN103742231A Automobile exhaust purifier device |
| 04/23/2014 | CN102269035B Fuel oil combustion control system for concurrent heating regeneration system of diesel engine tail gas particle catcher |
| 04/22/2014 | US8702937 Gas sensor control apparatus controlling output characteristic of gas sensor |
| 04/17/2014 | DE102012019964A1 Method for operating internal combustion engine with exhaust gas purification device, involves setting fade parameter to value in normal operation upon occurrence of event of operation of internal combustion engine |
| 04/17/2014 | DE102012019907A1 Verfahren zum Betreiben einer Brennkraftmaschine sowie entsprechende Brennkraftmaschine Method for operating an internal combustion engine and corresponding engine |
| 04/16/2014 | CN103732877A Method for determining the quantity of reducing agent in a tank |
| 04/16/2014 | CN103732875A Internal combustion engine control apparatus and internal combustion engine control method |
| 04/16/2014 | CN103726908A Automobile tail gas purification system and purification method thereof |
| 04/16/2014 | CN103726907A Smoke monitoring and dust removing system for diesel generator of Antarctic science investigation supporting platform |
| 04/10/2014 | DE102012218092A1 Method for monitoring function of metering valve of metering system of selective catalytic reduction (SCR) catalyst for motor vehicle, involves comparing pressure values detected by controlling metering valve with reference data |
| 04/10/2014 | DE102012019633A1 Verfahren zur Verarbeitung von Messwerten eines Stickoxid-Sensors A method for processing measurement values of a nitrogen oxide sensor |
| 04/09/2014 | EP2715336A1 Method and device for operating an scr system |
| 04/09/2014 | EP2715314A1 Sensor for detecting the quality of a fluid |
| 04/09/2014 | CN103711557A Testing method and device for balance temperature of particulate filter |
| 04/09/2014 | CN103711556A System and method for determining target exhaust temperature for a gas turbine |
| 04/09/2014 | CN103711551A Vehicle exhaust treatment device and engine system |
| 04/09/2014 | CN102116191B Oxygen sensor aging diagnosing method |
| 04/09/2014 | CN102042066B Systems and methods for controlling regeneration of nitrogen oxide adsorbers |
| 04/08/2014 | US8694197 Gain/amplitude diagnostics of NOx sensors |
| 04/03/2014 | US20140090363 Heater control device of oxygen concentration sensor |
| 04/03/2014 | DE102012217832A1 Method for monitoring pollutant-conversion ability of catalytically coated, oxidizing exhaust gas after treatment component of exhaust system of combustion engine, involves increasing hydrocarbon amount in exhaust gas at certain temperature |
| 04/02/2014 | CN203519560U Acoustic surface wave gas sensor with automobile tail gas monitoring function |