Patents for F01N 11 - Monitoring or diagnostic devices for exhaust-gas treatment apparatus (7,022)
04/2013
04/18/2013DE10309421B4 Verfahren zur Diagnose eines Katalysators in Abgasstrom einer Brennkraftmaschine und Vorrichtung zur Durchführung des Verfahrens A method of diagnosing a catalyst in the exhaust gas stream of an internal combustion engine and device for carrying out the method
04/18/2013DE10305452B4 Verfahren zur Diagnose eines Katalysators im Abgasstrom einer Brennkraftmaschine und Vorrichtung zur Durchführung des Verfahrens A method of diagnosing a catalyst in the exhaust stream of an internal combustion engine and device for carrying out the method
04/18/2013DE102011116227A1 Exhaust gas treatment device for vehicle, particularly for reducing nitrogen oxide in exhaust gas of vehicle, has exhaust line for supplying liquid reducing agent, where surface is heated up in exhaust pipe
04/17/2013EP2581575A1 Exhaust gas purifier for internal combustion engine
04/17/2013CN103047031A Cold start NO2 generation system
04/17/2013CN103046990A Monitor of ammonia in dosing system
04/17/2013CN102128069B Method and apparatus for monitoring a particulate filter
04/14/2013CA2790368A1 Monitor of ammonia in dosing system
04/11/2013WO2013050167A1 A method for monitoring an exhaust system
04/11/2013US20130086888 Exhaust gas processing device
04/11/2013DE10326530B4 Abgasreinigungsvorrichtung für eine Brennkraftmaschine An exhaust purification device for an internal combustion engine
04/11/2013DE10226456B4 Verfahren und Vorrichtung zur Überwachung der Effizienz einer Abgasbehandlungsanordnung Method and apparatus for monitoring the efficiency of an exhaust gas treatment arrangement
04/11/2013DE102011115328A1 Verfahren zum Überwachen einer Abgasanlage Method for monitoring an exhaust gas system
04/11/2013DE102011084041A1 Method for diagnosing dew point end recognition in exhaust gas tract of internal combustion engine for motor car, involves outputting error when integral value exceeds threshold level before performing dew point end recognition
04/11/2013DE102011054225A1 Method for determining exhaust gas volume at multi-flow exhaust gas purification system connected to diesel engine, involves dividing reference value for total exhaust gas volumetric flows, and mapping value proportion with sub-branches
04/11/2013DE102006010497B4 Abgasreinigungsvorrichtung für einen Verbrennungsmotor An exhaust purification device for an internal combustion engine
04/10/2013EP2578827A1 Exhaust gas treatment method
04/10/2013EP2577253A1 Method and particle sensor for detecting particles in an exhaust gas stream
04/10/2013EP2577250A1 Method and system pertaining to testing of injection systems
04/10/2013EP2577014A1 Method and system for adaptation of a gas sensor
04/10/2013EP2577013A1 Method and system for adaptation of an electrochemical gas sensor
04/10/2013CN103038474A Method for monitoring an SCR system
04/10/2013CN103038473A Method and device pertaining to cooling of dosing units of SCR systems
04/10/2013CN103038472A Method and device pertaining to cooling of dosing units of SCR systems
04/10/2013CN103038471A Method for monitoring an SCR system
04/10/2013CN103032142A Soot emission estimation method and arrangement
04/10/2013CN103032141A Exhaust gas processing device
04/09/2013US8413422 Oxidation catalyst fault diagnosis unit and oxidation catalyst fault diagnosis method and internal combustion engine exhaust purification apparatus
04/04/2013DE102011083775A1 Verfahren und Vorrichtung zum Betreiben einer Brennkraftmaschine Method and device for operating an internal combustion engine
04/03/2013CN103026023A Method pertaining to air removal from a liquid supply system and a liquid supply system
04/03/2013CN103016121A Emission exceeding and aging detecting method and system
04/03/2013CN103016120A Method for operating an internal combustion engine
04/03/2013CN103016119A On-board diagnostic method for NO2 formation in an oxidation catalyst
04/03/2013CN103016116A System and method for detecting pollution by poisonous material for air exhauster of vehicle
04/03/2013CN103016105A Diesel engine particulate matter catcher regenerative burner and oil-injecting combustion-supporting compound regenerative system
04/03/2013CN102102566B Transient compensation method and system for nitrogen oxide discharging of automobile engine
04/02/2013US8412451 Telemetry-based regeneration strategy for an engine exhaust after-treatment device
03/2013
03/28/2013WO2013043105A1 Method pertaining to an scr system and an scr system
03/28/2013WO2013041154A1 Method for the dynamic detection of leakages for scr catalytic converters
03/28/2013US20130080028 Method for operating an internal combustion engine
03/28/2013US20130074478 Intake and exhaust device of multi-cylinder engine
03/28/2013US20130074477 On-board diagnostic method for no2 formation in an oxidation catalyst
03/28/2013DE102012216967A1 Method for evaluating nitric oxide (NO)-oxidation performance of platinum-containing diesel oxidation catalyst (DOC) in diesel engine, involves determining temperature value between inlet temperature and outlet temperature of DOC
03/28/2013DE102012214459A1 System for detecting failure of particle matter (PM) sensor mounted on diesel particulate filter (DPF) of vehicle, detects failure of PM sensor, when output signal which is different from predetermined normal output signal is output
03/27/2013CN202832728U Long-distance automobile exhaust emission detecting device and automobile
03/27/2013CN103003540A Method and device pertaining to dosing unit of scr system
03/27/2013CN103003538A Method pertaining to hc dosing systems and device of hc dosing systems
03/27/2013CN103003537A Method pertaining to air removal from a hc dosing system and a hc dosing system
03/27/2013CN102996210A On-line automatic diagnosis and remote monitoring system and method for automobile emission
03/27/2013CN102330592B Exhaust emission aftertreatment equipment and method for diesel engine
03/27/2013CN101787919B Method and system for monitoring an active hydrocarbon adsorber
03/21/2013US20130067893 Method and device for diagnosing an error in an exhaust gas recirculation system
03/21/2013DE112010003670T9 Oberflächenspalt-Russsensor für Abgas Surface gap soot sensor for exhaust
03/21/2013DE102012215989A1 Diagnosesysteme und -verfahren zur selektiven Abgasrückführung Diagnostic systems and methods for selectively exhaust gas recirculation
03/21/2013DE102012018280A1 Method for checking operability of soot filter arranged in exhaust gas tract of internal combustion engine to filter exhaust gas in motor vehicle, involves predetermining reference value for particle mass flow depending on threshold level
03/21/2013DE102012018104A1 Method of operating soot sensor for internal combustion engine, involves switching soot sensor from active sensor monitoring mode to passive monitoring mode, when detected load value of soot sensor exceeds threshold over specific time
03/21/2013DE102012017078A1 Method for checking particulate filter, provided in exhaust section of internal combustion engine, by soot sensor, involves determining measuring variable and time period, where measuring variable reaches predetermined threshold value
03/21/2013DE102011057051A1 System und verfahren zum detektieren einer verschmutzung durch einen giftstoff für die abgasanlage eines fahrzeugs System and method for detecting a pollution by a toxin for the exhaust system of a vehicle
03/20/2013EP2570802A1 Internal combustion engine controller
03/20/2013EP2570795A1 Particulate matter sensor and systems
03/19/2013US8401727 Method and device for the diagnosis of an NOx sensor for an internal combustion engine
03/14/2013WO2013003398A3 System implementing constituent identification and concentration detection
03/14/2013US20130061574 Scr thawing control system
03/14/2013DE102012204885B3 Method for operating combustion engine i.e. petrol engine, of vehicle, involves storing map using two operational parameters of combustion engine as input variables in engine control unit in which lambda probe controls air ratio
03/14/2013DE102011082397A1 Method for monitoring magnetic valve in selective catalytic reduction system in motor car, involves detecting that valve is blocked in open state if blockade of valve is already recognized and recognizing that speed of pump exceeds value
03/14/2013DE102011053419A1 Verfahren zur Steuerung eines Abgassystems eines Dieselmotors sowie Abgassystem eines Dieselmotors A method of controlling an exhaust system of a diesel engine and exhaust system of a diesel engine
03/13/2013CN202789042U Automobile exhaust monitoring system
03/13/2013CN202789041U Non-automotive heavy-duty diesel engine semiconductor control rectifier (SCR) device
03/13/2013CN102966420A Sensor monitoring methods and systems
03/13/2013CN102966419A Systeme und verfahren zur einstellung der katalysatorsauerstoffspeicherkapazitat
03/07/2013WO2013032398A1 Method pertaining to an scr-system, and an scr-system
03/07/2013WO2013032390A1 Method and system for detecting reducing agent crystals in an scr exhaust after treatment system
03/07/2013WO2013003163A3 Gas monitoring method implementing soot concentration detection
03/07/2013US20130055700 Selective catalytic reduction system
03/07/2013DE102011056657A1 Verfahren zum Verhindern von Schäden an einem Benzinpartikelfilter bei einem Fahrzeug mit Zylinderabschaltung A method for preventing damage to a gasoline particulate filter in a vehicle with cylinder deactivation
03/06/2013EP2565413A1 Method for thermal protection of a pollution control unit of an exhaust line and corresponding vehicle
03/06/2013EP2565405A1 Particulate filter failure detection device and failure detection method
03/06/2013CN102959193A Method and device pertaining to cooling of dosing units of SCR systems
03/06/2013CN102959190A Method and device pertaining to cooling of dosing units of hc dosing systems for exhaust cleaning
03/06/2013CN102953793A Method and device for diagnosing an error in an exhaust gas recirculation system
03/06/2013CN102953792A Method for calibrating regeneration point of diesel engine tail gas filter
03/06/2013CN102322325B Engine and device for reducing emission load of oxynitrides thereof
03/05/2013US8392091 Using GPS/map/traffic info to control performance of aftertreatment (AT) devices
02/2013
02/28/2013US20130047841 Device for diagnosing a particle filter
02/28/2013DE102012214991A1 Sensorüberwachungsverfahren und -systeme Sensor monitoring methods and systems
02/28/2013DE102011081894A1 Verfahren und Vorrichtung zur Dynamik-Diagnose einer Abgassonde Method and apparatus for dynamic diagnosis of an exhaust gas probe
02/28/2013DE102011081634A1 Verfahren und Vorrichtung zur Diagnose eines Fehlers in einem Abgasrückführungssystem Method and apparatus for diagnosing a fault in an exhaust gas recirculation system
02/28/2013DE102011056755A1 Verfahren zum vermeiden einer verstopfung einer harnstoff-einspritzdüse an einem scr-system A method of preventing clogging of an injection nozzle in a urea-SCR system
02/28/2013DE102011010011B4 Verfahren zur Erkennung von Fehlfunktionen des Abgasnachbehandlungssystems einer Verbrennungskraftmaschine Method for detecting malfunctions of the exhaust gas aftertreatment system of an internal combustion engine
02/27/2013EP2561196A1 Method and device pertaining to the service need of a filter in a scr-system's liquid supply device
02/27/2013CN202756068U Testing device used for collecting urea liquid in engine selective catalytic reduction (SCR) system and mounting structure
02/27/2013CN102947568A Method and device pertaining to limiting the temperature of an HC dosing unit in an exhaust system
02/27/2013CN102947567A Method and device pertaining to limiting the temperature of a dosing unit in a SCR system
02/27/2013CN102947566A Method pertaining to air removal from a HC dosing system and a HC dosing system
02/27/2013CN102947561A Method and device pertaining to cooling of dosing units of HC dosing systems for exhaust cleaning
02/27/2013CN102947560A Method and device pertaining to cooling of dosing units of HC dosing systems for exhaust cleaning
02/27/2013CN102359410B Tail gas emission cooling device for explosion-proof diesel engine
02/21/2013WO2013025482A1 Measurement of diesel engine emissions
02/21/2013DE102011110669A1 Verfahren und Messanordnung zur Bestimmung von spezifischen und/oder absoluten Emissionswerten für NOx und/oder CO2 bei einer Verbrennungsmaschine The method and measurement arrangement for the determination of specific and / or absolute emission levels for NOx and / or CO 2 in an internal combustion engine
02/21/2013CA2844076A1 Measurement of diesel engine emissions
1 ... 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 ... 71