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 9 - Electrical control of exhaust gas treating apparatus
Patents for F01N 9 - Electrical control of exhaust gas treating apparatus (7,942)
09/2012
09/27/2012WO2012127044A1 Method and device for metering the additive for regenerating a diesel particulate filter
09/27/2012WO2012126892A1 Method for operating diesel engines to avoid the formation of white smoke during diesel particulate filter regeneration
09/27/2012DE10310024B4 Verfahren zur Aufheizung eines Katalysators A method for heating a catalyst
09/27/2012DE102012203743A1 Baumaschine Construction Machinery
09/27/2012DE102012203660A1 Verfahren zum Betrieb eines Abgasbehandlungssystems, um ein Erlöschen während der Regeneration zu verhindern Method for operating an exhaust gas treatment system to prevent a void during regeneration
09/27/2012DE102012203548A1 Verfahren zur schätzung eines schlupfes eines abgassystems mit selektiver katalytischer reduktion A method for estimating a slip of a exhaust system with selective catalytic reduction
09/27/2012DE102012203539A1 Verfahren zur Korrektur einer Schätzung von in einem Abgassystem mit selektiver katalytischer Reduktion gespeichertem NH3 A method of correcting an estimate of in an exhaust system with selective catalytic reduction stored NH3
09/27/2012DE102012005987A1 Exhaust system for vehicle e.g. motor vehicle, has memory device provided in which exhaust gas at outlet line is stored along upstream direction, and adjustment device that is provided to control signal detected by pollutant sensor
09/27/2012DE102011081309B3 Method for operating burner in exhaust system of internal combustion engine of motor vehicle, involves setting smaller burner power in region at which air-fuel ratio is greater than one so as to reduce thermal load of burner
09/27/2012DE102011015061A1 Verfahren und Vorrichtung zur Dosierung des Additivs zur Regenerierung eines Dieselpartikelfilters Method and apparatus for dosing of additive for the regeneration of a diesel particulate filter
09/26/2012EP2501909A1 Method for controlling pollutant emissions from a combustion engine
09/26/2012CN102695854A Abnormality determination apparatus for particulate filter
09/26/2012CN102691557A Urea supplying unit for air-assisting type SCR (Selective Catalyst Reaction) system
09/26/2012CN102691556A Method of operating an exhaust gas treatment system to prevent quenching during regeneration
09/26/2012CN102691553A Air-assisting type SCR (Selective Catalyst Reaction) system
09/26/2012CN102691552A Power system and method for energizing an electrically heated catalyst
09/26/2012CN102691551A Method for correcting an estimate of nh3 stored within a selective catalyst reduction system
09/26/2012CN101886567B Predicting ash loading using an electrically heated particulate filter
09/26/2012CN101400876B Exhaust purification device of internal combustion engine, and control method thereof
09/20/2012WO2012125725A1 Emissions measuring system
09/20/2012WO2012123490A1 Method and device for determining a starting time of a regeneration process for regenerating a diesel particle filter
09/20/2012WO2012122756A1 After-treatment regeneration control method and device for construction machinery
09/20/2012US20120233984 Method and system for controlling a nitrogen oxide (nox) conversion efficiency monitor
09/20/2012DE102011014129A1 Verfahren und Vorrichtung zur Bestimmung eines Startzeitpunkts eines Regenerationsprozesses zur Regenerierung eines Dieselpartikelfilters Method and apparatus for determining a start timing of a regeneration process for regenerating a diesel particulate filter
09/20/2012CA2830217A1 Emissions measuring system
09/19/2012CN102678241A A method for diagnosing a particulate matter sensor
09/19/2012CN102678240A Apparatus and method for onboard performance monitoring of oxidation catalyst
09/19/2012CN102678239A Independent SCR (semiconductor control rectifier) system control method and control device based on NOx (nitrogen oxide) sensor
09/19/2012CN102678238A Engine emission control system and control method
09/19/2012CN102678237A Method and system for controlling nitrogen oxide (nox) conversion efficiency monitor
09/19/2012CN102678236A Particulate filter regeneration process diagnostic
09/13/2012US20120227380 Hydrocarbon conversion diagnostic
09/13/2012DE102012203441A1 Abgasemissionssteuer-/regelsystem für einen Motor Abgasemissionssteuer- / controlling system for an engine
09/13/2012DE102012201809A1 Abgasreinigungssystem für einen verbrennungsmotor An exhaust gas purification system for an internal combustion engine
09/13/2012DE102011013793A1 Brennkraftmaschine und Verfahren zum Betreiben einer Brennkraftmaschine Internal combustion engine and method of operating an internal combustion engine
09/13/2012DE102011013544A1 Verfahren und Vorrichtung zum Betreiben eines Partikelsensors Method and apparatus for operating a particle sensor
09/12/2012EP2496802A1 Exhaust catalyst temperature estimating apparatus and exhaust catalyst temperature estimation method for internal combustion engine
09/12/2012CN102667089A Determining the load of a diesel particulate filter from its radio frequency transmission loss using a switchable reference loopback path for temperature compensation
09/12/2012CN102661188A System and method for unloading hydrocarbon emissions from an exhaust after-treatment device
09/12/2012CN102121411B Automobile tail gas three-way catalytic converter system and control method thereof
09/12/2012CN101878354B Exhaust treatment system having a diverter valve
09/11/2012US8261534 Exhaust gas purifying apparatus for internal combustion engine
09/08/2012CA2769039A1 Method for protecting an engine during a parked regeneration of a particulate filter
09/08/2012CA2768891A1 Filter cleaning with an engine idle bump
09/07/2012WO2012117183A1 Method for running diagnostics on an oxidation catalytic converter by measuring the level of nitrogen oxides downstream of a selective catalytic reduction member
09/06/2012US20120222404 Method for controlling pollutant emissions from a combustion engine
09/06/2012DE112009005026T5 Gerät zur Steuerung der Eigenschaften von Motorsystemen Device for controlling the properties of the motor systems
09/06/2012DE102012202971A1 Verfahren zur Steuerung eines Dieselmotorsystems A method for controlling a diesel engine system
09/06/2012DE102012202939A1 Einstellung der Verbrennungsschwelle eines Oxidationskatalysators, um ein Erlöschen zu vermeiden Setting the combustion threshold of an oxidation catalyst in order to avoid extinction
09/06/2012DE102012202936A1 Systeme zur thermischen Regulierung für effiziente mager arbeitende Maschinen Systems for thermal regulation for efficient lean-working machines
09/06/2012DE102012202935A1 Kraftstofftypbasierte Start-Stopp-Katalysator-Heizsysteme Fuel Type-based start-stop-catalyst heating systems
09/06/2012DE102012002995A1 Wasser- und NOx-Niedertemperaturspeichersystem für die Nachbehandlung von magerem Abgas Water and NOx low temperature storage system for the treatment of lean exhaust gas
09/06/2012DE102011116029B3 Method for controlling temperature of exhaust gas, during entry into pressure wave supercharger, involves taking measures to increase exhaust gas temperature so that the temperature is no longer below the maximum limiting temperature
09/06/2012DE102011081580A1 Abgasnachbehandlungssystem einer Brennkraftmaschine und Verfahren zur Eindosierung einer Flüssigkeit in den Abgaskanal der Brennkraftmaschine An exhaust aftertreatment system of an internal combustion engine and method for dosing a liquid into the exhaust passage of the internal combustion engine
09/06/2012DE102011013183A1 Nitrous oxide-optimized exhaust gas after-treatment system for air-compressing predominantly lean-operated internal combustion engine of motor car, has control device determining value for actual amount of emission and changing parameter
09/06/2012DE102011004878A1 Method for operating exhaust gas purification system of internal combustion engine, involves coating exhaust passage catalytically
09/06/2012DE102011001045A1 Verfahren zur Diagnose von Abgassonden und/oder Katalysatoren A method for the diagnosis of exhaust gas sensors and / or catalysts
09/05/2012EP2495420A2 Exhaust gas purification system for working machine
09/05/2012CN202417665U Tail gas after-treatment system for diesel engine
09/05/2012CN202417658U Hybrid bus and SCR (Silicon Controlled Rectifier) heat management system of engine thereof
09/05/2012CN102654075A Oxidation catalyst burn threshold adjustment to avoid quenching
09/05/2012CN102654074A Controlling a diesel engine system to reduce soot production
09/05/2012CN102156048B Device for detecting engine exhaust back pressure as well as particle catch regeneration control system and method
09/05/2012CN101963084B Selective catalytic reduction urea air premixing jet system
09/05/2012CN101949317B Identifying ammonia non-slip conditions in a selective catlytic reduction application
09/05/2012CN101680327B Method for operating a motor vehicle comprising an exhaust gas heating device
08/2012
08/30/2012DE102011012441A1 Verfahren zum Heizen eines Fördersystems A method of heating a conveyor system
08/30/2012DE102004021473B4 Verfahren zur Aufheizung eines einer fremdgezündeten, direkteinspritzenden Brennkraftmaschine nachgeschalteten Abgaskatalysators Method for heating a a spark-ignition, direct-injection internal combustion engine downstream catalytic converter
08/29/2012EP2492463A1 Exhaust purification device of internal combustion engine
08/29/2012CN102650226A Device for melting and quantitatively spraying solid urea
08/29/2012CN101652552B Process for determining particle emission in the exhaust fume stream from an internal combustion engine
08/29/2012CN101517215B Limiting transmission function while in regeneration mode for a diesel particulate filter
08/23/2012WO2012110210A1 Method for model-based determination of the temperature distribution of an exhaust gas post-treatment unit
08/23/2012DE19801629B4 Katalysatordiagnoseverfahren und Vorrichtung Catalyst diagnostic methods and apparatus
08/23/2012DE112010002608T5 ystem und Verfahren zum Filtern von Dieselmotorabgaspartikel ystem and method for filtering diesel engine exhaust particulates
08/23/2012DE10349854B4 Verfahren und Vorrichtung zur Entschwefelung eines NOx-Speicherkatalysators Method and apparatus for desulphurisation of a NOx storage catalytic converter
08/23/2012DE10252144B4 Verfahren zum Betrieb einer gasbetriebenen Verbrennungskraftmaschine mit Abgasreinigung Method for operating a gas-powered internal combustion engine with exhaust gas purification
08/23/2012DE102012202334A1 System und Verfahren für Sekundärlufteinblasung System and method for secondary air
08/23/2012DE102012200337A1 Verfahren und Vorrichtung zur Temperaturerhöhung eines Ab- oder Prozessgases mit einem oxidierbaren Anteil Method and apparatus for increasing the temperature of an exhaust or process gas with an oxidizable fraction
08/23/2012DE102011117104A1 Internal combustion engine comprises exhaust gas recirculation system with exhaust pipe, which is fluidically connected with internal combustion engine, where exhaust gas treatment device is fluidically connected to exhaust gas line
08/23/2012DE102011004562A1 Verfahren und Vorrichtung zum Betreiben einer Brennkraftmaschine Method and device for operating an internal combustion engine
08/23/2012DE102011004522A1 Verfahren zum Betreiben einer fremdgezündete Brennkraftmaschine mit Abgasnachbehandlung und Brennkraftmaschine zur Durchführung eines derartigen Verfahrens A method for operating a spark-ignition engine with exhaust aftertreatment and engine for performing such a procedure
08/23/2012DE102006029737B4 System und Verfahren zum Regeln einer Nacheinspritzung für die Regeneration eines Dieselpartikelfilters System and method for controlling a post-injection for the regeneration of a diesel particulate filter
08/22/2012CN101725398B Vehicle location based particulate matter filter regeneration
08/21/2012USRE43588 Exhaust gas purification system of internal combustion engine
08/16/2012WO2012109504A2 Adaptive diesel particulate filter regeneration control and method
08/16/2012WO2012108809A1 Method of evaluating a fuel injector
08/16/2012WO2012108795A1 Method of calibration of a fuel injector in an exhaust aftertreatment system
08/16/2012WO2012080347A3 Method for operating a soot sensor
08/16/2012US20120204544 Hydrocarbon retaining and purging system
08/16/2012US20120204539 Hybrid vehicle thermal management using a bypass path in a catalytic converter unit
08/16/2012US20120204537 Adaptive diesel particulate filter regeneration control and method
08/16/2012DE102012002778A1 Leistungssystem und verfahren zum erregen eines elektrisch beheizten katalysators Power system and process to attract an electrically heated catalyst
08/16/2012DE102012002329A1 Verbrennungsstrategie für einen katalytischen Wandler für ein Hybridfahrzeug Combustion strategy for a catalytic converter for a hybrid vehicle
08/16/2012DE102012002239A1 Thermische Regulierung eines Hybridfahrzeugs unter Verwendung eines Bypasspfads in einer katalytischen Wandlereinheit Thermal regulation of a hybrid vehicle using a bypass path in a catalytic converter unit
08/16/2012DE102011103346A1 Verfahren zur modellbasierten Bestimmung der Temperaturverteilung einer Abgasnachbehandlungseinheit Method for model-based determination of the temperature distribution of an exhaust gas treatment unit
08/16/2012DE102011004150A1 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
08/16/2012DE102010017575B4 Verfahren zum Betreiben einer fremdgezündeten Brennkraftmaschine und Brennkraftmaschine zur Durchführung eines derartigen Verfahrens A method of operating a spark-ignition internal combustion engine and internal combustion engine for the implementation of such a method
08/16/2012DE10144958B4 Regeneration eines Partikelfilters einer Dieselbrennkraftmaschine Regeneration of a particulate filter of a diesel internal combustion engine
08/16/2012DE10115968B4 Verfahren zur Erwärmung eines Katalysators A method for heating a catalyst
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