Patents
Sitemap › F01 - Machines or engines in general; Engine plants in general; Steam engines › F01N - Gas-flow silencers or exhaust apparatus for machines or engines in general; Gas-flow silencers or exhaust apparatus for internal-combustion engines › F01N 11 - Monitoring or diagnostic devices for exhaust-gas treatment apparatus
Patents for F01N 11 - Monitoring or diagnostic devices for exhaust-gas treatment apparatus (7,022)
05/2012
05/17/2012US20120117942 System and method for controlling a nitrogen oxide sensor
05/16/2012EP2122133B1 Low temperature urea injection method
05/16/2012DE102011117864A1 System und Verfahren zum Steuern eines Stickoxidsensors System and method for controlling a nitrogen oxide sensor
05/16/2012CN102454462A Method for monitoring a regulated emission concentration in the exhaust gas of an internal combustion engine
05/16/2012CN102454461A Method for determining filtering efficiency of particle filter in exhaust system of motor vehicle
05/16/2012CN102454460A Method for measuring the quality of ammonia injection for an exhaust gas after treatment system of a vehicle
05/16/2012CN102454457A Method for adapting a lean nox trap in an exhaust system of a motor vehicle
05/10/2012US20120116645 Filter controller system
05/10/2012US20120110983 Diesel exhaust treatment apparatus
05/10/2012US20120110982 Sampling tube for improved exhaust gas flow to exhaust sensor
05/09/2012EP1787017B1 Catalytic converter and associated method of assembly
05/09/2012EP1744924B1 Method and device for operating a hybrid vehicle
05/09/2012CN202215334U Oxygen sensor for internal combustion engines
05/09/2012CN102444458A System and method for detecting low quality reductant and catalyst degradation in selective catalytic reduction systems
05/09/2012CN102444457A System and method for determining engine exhaust composition
05/09/2012CN101517217B Internal combustion engine and method of controlling the same
05/08/2012US8171723 Abnormality detection system and abnormality detection method for internal combustion engine
05/03/2012US20120102925 Engine exhaust temperature regulation
05/03/2012US20120102924 Method And Device For Measuring The Soot Load In The Exhaust Gas Systems Of Diesel Engines
05/03/2012DE102011085421A1 Verfahren und vorrichtung zum erfassen von in einem zu messenden gas enthaltenen partikeln A method and apparatus for detecting gas to be measured contained in a particulate
05/03/2012DE102011085321A1 Partikelerfassungselement Particle detection element
05/03/2012DE102011083339A1 Particulate matter detection sensor i.e. electrical resistance type particulate matter detection sensor in motor vehicle internal combustion engines, has detection part placed opposite upstream of to be measured gas flow path
05/03/2012DE102010060330A1 Verfahren zur Überwachung einer Schadstoffkonzentration im Abgas einer Brennkraftmaschine A method of monitoring a concentration of contaminants in the exhaust gas of an internal combustion engine
05/03/2012DE102010050161A1 Verfahren zur Bestimmung eines Drucks am Ausgang einer Abgasanlage A method of determining a pressure at the output of an exhaust system
05/03/2012DE102010050055A1 Verfahren zur Diagnose eines Abgaskatalysators und/oder eines Abgassensors eines Kraftfahrzeugverbrennungsmotors A method for diagnosing a catalytic converter and / or an exhaust gas sensor of a motor vehicle internal combustion engine
05/02/2012EP2447516A1 Method for determining pressure at the outlet of an exhaust gas system
05/02/2012EP1529931B1 Filter control device
05/02/2012CN102434258A Exhaust gas treatment system for an internal combustion engine
05/01/2012US8170779 Abnormality diagnosis device for exhaust heat recovery equipment
04/2012
04/26/2012US20120096852 Engine with a charging system
04/26/2012DE102010060099A1 Verfahren zum Anpassen eines SCR Katalysators in einem Abgassystem eines Kraftfahrzeugs A method of adapting an SCR catalyst in an exhaust system of a motor vehicle
04/25/2012EP2118459B1 Catalyst monitoring system and catalyst monitoring method
04/25/2012EP1953356B1 Method for control of exhaust gas purification system, and exhaust gas purification system
04/19/2012US20120090301 System, method, and apparatus for enhancing aftertreatment regeneration in a hybrid power system
04/19/2012US20120090297 Method for adapting a lean nox trap in an exhaust system of a motor vehicle
04/19/2012DE102010038189A1 Method for determining filtering efficiency of particle filter in exhaust system of motor vehicle, involves calculating nominal collection efficiency as function of soot mass, volume of stored ash and wall temperature of substrate
04/19/2012DE102010038176A1 Verfahren zum Messen der Qualität der Ammoniakeinspritzung für ein Nachbehandlungssystem eines Kraftfahrzeugs A method for measuring the quality of the ammonia injection for an aftertreatment system of a motor vehicle
04/19/2012DE102010038175A1 Verfahren zum Anpassen einer Mager-NOx-Falle in einem Abgassystem eines Kraftfahrzeugs A method of adjusting a lean NOx trap in an exhaust system of a motor vehicle
04/18/2012EP2441934A2 Exhaust gas purifying apparatus for internal combustion engine
04/18/2012EP2441933A1 Method for testing the operation of a system for post-treatment of exhaust gases from an engine and vehicle suitable for implementing the method
04/18/2012EP1528229B1 Filter control method and device
04/18/2012CN202194704U Engine and device for reducing discharge of nitrogen oxides of engine
04/18/2012CN102421998A Method and device for monitoring a component arranged in an exhaust gas region of an internal combustion engine
04/12/2012WO2012048308A2 Spark emission particle detector
04/12/2012WO2012047484A2 Exhaust system having cross-sensitive sensor
04/12/2012WO2012045599A1 Method for adjusting a temperature of a sensor element
04/12/2012DE102010049008B3 Temperatursensorvorrichtung Temperature sensor device
04/12/2012DE102010042042A1 Vorrichtung und Verfahren Vorrichtung zur quantitativen und/oder quantitativen Prüfung der Sprayaufbereitung eines Dosiersystems APPARATUS AND METHOD An apparatus for quantitative and / or quantitative examination of the spray preparation a metering
04/12/2012DE102010042041A1 Method for quantitative or qualitative examination of spray preparation of dosing system for after-treatment of exhaust gases of internal combustion engine, involves moving delivery system in test mode
04/12/2012DE102008004080B4 Überwachung der Effektivität einer Abgasnachbehandlungseinrichtung Monitoring the effectiveness of an exhaust after
04/11/2012CN102410071A Method and apparatus for monitoring reductant injection system in exhaust aftertreatment system
04/11/2012CN102410068A 压缩空气雾化器 Compressed air atomizer
04/10/2012US8151626 System and method for sensing high temperature particulate matter
04/05/2012DE102011113766A1 Abgasbehandlungssystem für einen verbrennungsmotor Exhaust gas treatment system for an internal combustion engine
04/05/2012DE102010047416A1 Method for dosage of reducing agent carrier into exhaust passage of internal combustion engine for vehicle, involves determining temperature of reducing agent carrier based on empirically determined model
04/04/2012EP2436894A2 Exhaust emission control device
04/04/2012EP2436893A2 Particulate filter ash loading prediction method and vehicle using the same
04/04/2012EP2436892A2 Particulate filter ash loading prediction method and vehicle using the same
04/04/2012EP2136045B1 Apparatus for distinguishing liquid reducing agent
04/04/2012EP1811147B1 Exhaust gas purification device
04/04/2012CN102400754A Method for diagnosing an exhaust gas sensor and device for carrying out the same
04/04/2012CN102400753A Method for estimating an exhaust gas temperature
04/04/2012CN102400752A Model-based diagnostic method and system for a selective reduction catalyst device in a vehicle
04/04/2012CN102400751A Methods for engine exhaust nox control using no oxidation in engine
04/04/2012CN102400750A Exhaust device for purifying tail gas of explosion-proof diesel engine
04/04/2012CN102400749A 排气后处理系统及操作方法 System and method of operation the exhaust gas after treatment
04/04/2012CN102400743A Method for adapting exothermic reaction in exhaust system of motor vehicle
04/03/2012US8146562 System, method and apparatus for fuel injector diagnostics
03/2012
03/29/2012WO2012038894A1 Method and apparatus for filter condition inspection
03/29/2012WO2012038627A1 Procedure for adaptively estimating the current soot loading of a particulate filter
03/29/2012US20120073267 Particulate matter sensor
03/29/2012US20120073265 Exhaust system having cross-sensitive sensor
03/29/2012DE102010041421A1 Verfahren zum Betrieb eines Sensorelements Method for operating a sensor element
03/29/2012DE102010041327A1 Method for operating exhaust system of combustion engine of motor car, involves comparing determined time of temperature of exhaust gas, pattern of time course and temperature of gas, and judging performance of catalyzer
03/29/2012DE102010041311A1 Verfahren und Vorrichtung zur Überwachung der Funktion eines Abgassensors Method and device for monitoring the function of an exhaust gas sensor
03/29/2012DE102004017522B4 Vorrichtung zur Bestimmung einer Verschlechterung eines Partikelfilters in einem Dieselmotorauslass An apparatus for determining a deterioration of a particulate filter in a diesel engine exhaust
03/28/2012CN102392748A Protective device and control method for engines based on turbine-rear exhaust temperature
03/28/2012CN101918688B Malfunction diagnosis device for exhaust gas purification system and malfunction diagnosis method therefor
03/22/2012US20120067031 Method and apparatus for monitoring a reductant injection system in an exhaust aftertreatment system
03/22/2012DE102011113552A1 Verfahren und Vorrichtung zum Überwachen eines Reduktionsmittelinjektionssystems in einem Abgasnachbehandlungssystem Method and apparatus for monitoring a reducing agent injection system in an exhaust aftertreatment system
03/22/2012DE102011113168A1 Verfahren zum Abschätzen einer Abgastemperatur A method for estimating an exhaust gas temperature
03/21/2012EP2430295A1 Method and device for monitoring a component arranged in an exhaust gas region of an internal combustion engine
03/21/2012EP1669567B1 Exhaust gas purification device of engine
03/21/2012CN202170825U On-vehicle monitoring system of vehicular three-way catalytic converter
03/21/2012CN102383906A Temperature estimation systems and methods
03/21/2012CN102383901A Exhaust treatment system and method of operation
03/21/2012CN101878357B Abnormality detection system and abnormality detection method for internal combustion engine
03/15/2012US20120060476 Method for monitoring the pollutant coversion capacity in an exhaust gas after-treatment system
03/15/2012US20120060475 Method for adapting an exothermic reaction in the exhaust system of a motor vehicle
03/15/2012DE102011111354A1 Modellbasiertes Diagnoseverfahren und System für eine Katalysatorvorrichtung für selektive Reduktion in einem Fahrzeug Model-based diagnostic method and system for a catalyst for selective reduction device in a vehicle
03/15/2012DE102011008383B3 Method for operating exhaust gas catalytic converter, involves determining estimated value of amount of ammonia available in exhaust gas catalytic converter by dynamic model
03/15/2012DE102010040678A1 Verfahren zur Überwachung der Schadstoff-Konvertierungsfähigkeit in einem Abgasnachbehandlungssystem Procedures for monitoring the pollutant conversion capability in an exhaust aftertreatment system
03/15/2012DE102010040672A1 Abgassonde Exhaust gas probe
03/15/2012DE102010037431A1 Verfahren zum Anpassen einer exothermen Reaktion im Abgassystem eines Kraftfahrzeugs A method of adapting an exothermic reaction in the exhaust system of a motor vehicle
03/14/2012EP2428263A1 Filter hose system
03/14/2012CN102374004A Exhaust diagnostic systems and methods with SCR conversion efficiency monitor disabling
03/14/2012CN102374003A Method For Monitoring Dosing Device
03/14/2012CN102374002A Oxygen sensor diagnostic method
03/14/2012CN102374001A Ageing failure diagnosis method of engine catalytic converter
03/14/2012CN102373999A Method and apparatus for predicting peak temperature in a vehicle particulate filter
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