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)
10/2012
10/26/2012WO2012143633A1 Method for validating and detecting a change of reducing agent cannister in an scr system, exhaust line and vehicle
10/25/2012DE102011007637A1 Method for computing nitrogen oxide exhaust emission of diesel engine of motor vehicle, involves applying correction function based on nitrogen oxide emissions before catalytic converter phase at temperature prevailing in suction pipe
10/25/2012DE10023793B4 Verfahren und Vorrichtung zur Steuerung einer Entschwefelung einer Abgasreinigungsvorrichtung Method and apparatus for controlling a desulphurization of an exhaust gas purifying device
10/24/2012EP2514955A1 Method for updating a function for calculating the exhaust pressure of an internal combustion engine
10/24/2012EP2513439A1 Method for controlling the reductant buffer level in an exhaust gas aftertreatment device
10/24/2012CN102748110A Distinguishing between EGR valve and oxygen sensor degradation
10/18/2012WO2012139608A1 Method for operating a lambda probe
10/18/2012US20120265426 Method of and apparatus for in-situ measurement of soot by electron spin resonance (esr) spectrometry
10/18/2012US20120260637 Hydraulic Driving Device for Working Machine
10/18/2012US20120260636 Abnormality determination device for particulate matter detection sensor
10/18/2012US20120260633 Aftertreatment system and control strategy for internal combustion engine
10/18/2012US20120260625 Nitrogen oxide sensor stuck-in-range diagnostic tool
10/18/2012DE10205966B4 Verfahren und Vorrichtung zur Überwachung der Funktionsfähigkeit eines Sekundärluftsystems Method and apparatus for monitoring the operability of a secondary air system
10/18/2012DE102012206001A1 Diagnosewerkzeug für ein bereichsweises Hängenbleiben eines Stickoxidsensors Diagnostic tool for a region by region snagging a nitric oxide sensor
10/18/2012DE102012007159A1 Exhaust system for internal combustion engine of vehicle, has predetermined mounting positions for multiple exhaust gas sensors and electronic control unit with electrical connection ports for connection of exhaust gas sensor
10/18/2012DE102011087310B3 Method for operating linear lambda probe in exhaust gas duct of internal combustion engine in car, involves determining offset error of measurement signal from difference signal between pump voltage signal and Nernst voltage signal
10/18/2012DE102011017114A1 Method for monitoring exhaust gas treatment system of diesel engine, involves determining whether treatment system is operated effectively based on whether reducing agent dosage to gas is started before or after expiration of time counter
10/18/2012DE102008037647B4 Kraftstoffsteuersvstem eines Motorsystems und Verfahren zum Betreiben eines Kraftstoffsteuersystems eines Motorsystems Kraftstoffsteuersvstem an engine system and method of operating a fuel control system of an engine system
10/17/2012CN102733919A Nitrogen oxide sensor stuck-in-range diagnostic tool
10/17/2012CN102733918A Electronically heated selective catalytic reduction (scr) device
10/17/2012CN102733917A Method for monitoring catalytic converter
10/17/2012CN102733916A Offset and slow response diagnostic methods for nox sensors in vehicle exhaust treatment applications
10/17/2012CN102733908A Compression ignition engine system with diesel particulate filter coated with nox reduction catalyst and stable method of operation
10/17/2012CN102733899A Self-regulated exhaust and explosion protection equipment of mining diesel engine
10/11/2012US20120255280 Method for monitoring a catalytic converter
10/11/2012US20120255277 OFFSET AND SLOW RESPONSE DIAGNOSTIC METHODS FOR NOx SENSORS IN VEHICLE EXHAUST TREATMENT APPLICATIONS
10/11/2012DE10249880B4 Emissionssteuerungsvorrichtung und Emissionssteuerungsverfahren einer Brennkraftmaschine Emission control device and emission control method of an internal combustion engine
10/11/2012DE10227370B4 Gassensor Gas sensor
10/11/2012DE102012205464A1 VERFAHREN ZUR DIAGNOSE VON OFFSET UND LANGSAMEM ANSPRECHEN FÜR NOx-SENSOREN IN FAHRZEUG-ABGASBEHANDLUNGSANWENDUNGEN METHOD FOR DIAGNOSIS OF OFFSET AND SLOW RESPONSE FOR NOx SENSORS IN VEHICLE EXHAUST TREATMENT APPLICATIONS
10/11/2012DE102011006923A1 Device for diagnosing function of collecting particle sensor to determine particle contents in exhaust gas of diesel engine, has particle sensor soot coated with functional layer for converting long chain hydrocarbons
10/11/2012DE102011006921A1 Verfahren zur Überwachung eines Katalysators Method for monitoring of a catalyst
10/11/2012DE102011006831A1 Method for diagnosing nitrogen oxide sensor in exhaust gas tract of four-cylinder fuel injection engine of motor car, involves checking current value of measurement signal during alteration of nitrogen oxide concentration in exhaust gas
10/11/2012DE102011006750A1 Vorrichtung und Verfahren zur Bestimmung der Homogenität einer Fluidströmung Apparatus and method for determining the homogeneity of a fluid flow
10/10/2012EP2507491A1 System and method for estimating the mass of particles stored in a particle filter of a motor vehicle
10/10/2012CN101542081B Method for operating a reagent metering valve and apparatus for carrying out the method
10/04/2012DE112009002711T5 Abgaskomponente mit dauerhaft zugeordnetem Lebensdauerindikator Exhaust component permanently assigned shelf-life indicator
10/04/2012DE102012203605A1 Verfahren und System zur Steuerung einer Einrichtung zur Überwachung eines Wirkungsgrades einer Stickoxid-(NOX-)umwandlung A method and system for controlling a device for monitoring an efficiency of a nitrogen oxide (NOx) conversion
10/04/2012DE102012008462A1 Method for operating motor vehicle, involves deactivating heating element, when sensed temperature of component of exhaust system is below predetermined threshold value, where component temperature is sensed by sensing element
10/04/2012DE102011015488A1 Verfahren und Motorsteuerungseinrichtung zur Detektion von Schwefelvergiftungen im Dieselkraftstoff A method and motor control means for the detection of sulfur poisoning in the diesel fuel
10/04/2012DE102011015396A1 Verfahren zum Überprüfen von Komponenten eines Kraftwagens und Kraftwagen mit entsprechender Überprüfungseinrichtung A method for controlling components of a motor vehicle and motor vehicle with an appropriate monitoring device
10/03/2012CN202467990U Visualization system for diesel engine particle capturing process
10/03/2012CN202467989U Test system for engine post-processing device
10/03/2012CN202467980U Engine exhaust particulate sampling device
10/03/2012CN102713180A Method for controlling the reductant buffer level in an exhaust gas aftertreatment device
09/2012
09/27/2012DE112007001343B4 Katalysatorverschlechterungserfassungsvorrichtung Catalyst deterioration detection device
09/27/2012DE102012203668A1 Verfahren zum Bestimmen, ob ein Oxidationskatalysator erloschen oder nicht erloschen ist A method for determining if an oxidation catalyst is expired or not expired
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
09/27/2012DE102011015061A1 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
09/26/2012EP2501910A1 Method for controlling a system for the treatment of exhaust gases from an internal combustion engine
09/26/2012EP2501909A1 Method for controlling pollutant emissions from a combustion engine
09/26/2012CN102695854A Abnormality determination apparatus for particulate filter
09/26/2012CN102691559A Method for estimating slippage of a selective catalyst reduction system
09/26/2012CN102691558A Method of determining if an oxidation catalyst is quenched or is not quenched
09/26/2012CN102691551A Method for correcting an estimate of nh3 stored within a selective catalyst reduction system
09/26/2012CN101482049B Control system of explosive motor of vehicle and control method thereof
09/20/2012WO2012125776A2 Variable stain area particulate mass filter system
09/20/2012WO2012125725A1 Emissions measuring system
09/20/2012WO2012125152A1 Reductant control system and method for the emission system of a vehicle
09/20/2012US20120233984 Method and system for controlling a nitrogen oxide (nox) conversion efficiency monitor
09/20/2012DE102012005139A1 Sensorsteuervorrichtung und Sensorsteuerverfahren Sensor control apparatus and control method Sensor
09/20/2012CA2830217A1 Emissions measuring system
09/19/2012CN202441456U Silencing, purifying and tail-gas detecting device for automobile
09/19/2012CN102678242A Hydrocarbon conversion diagnostic
09/19/2012CN102678241A A method for diagnosing a particulate matter sensor
09/19/2012CN102678240A Apparatus and method for onboard performance monitoring of oxidation catalyst
09/19/2012CN102678237A Method and system for controlling nitrogen oxide (nox) conversion efficiency monitor
09/19/2012CN102678236A Particulate filter regeneration process diagnostic
09/19/2012CN101410602B Exhaust gas purification system for internal combustion engine
09/13/2012US20120227383 Method for controlling a system for the treatment of exhaust gases from an internal combustion engine
09/13/2012US20120227381 Particulate filter regeneration process diagnostic
09/13/2012US20120227377 Method for Diagnosing Operation of a Particulate Matter Sensor
09/13/2012DE102012203378A1 Verfahren zur Diagnose des Betriebs eines Partikelsensors A method of diagnosing the operation of a particle sensor
09/13/2012DE102012203284A1 Diagnose für einen partikelfilterregenerationsprozess Diagnosis for a particulate filter regeneration process
09/13/2012DE102012203196A1 Diagnose für Kohlenwasserstoffumwandlung Diagnosis for hydrocarbon conversion
09/13/2012DE102012202658A1 Verfahren zur Bestimmung der in einem Partikelfilter gespeicherten Russmasse A method for determining the data stored in a particulate filter soot mass
09/13/2012DE102012201809A1 Abgasreinigungssystem für einen verbrennungsmotor An exhaust gas purification system for an internal combustion engine
09/13/2012DE102011013544A1 Verfahren und Vorrichtung zum Betreiben eines Partikelsensors Method and apparatus for operating a particle sensor
09/12/2012CN102667091A Method for detecting mechanical failure in a nitrogen oxide treatment system
09/12/2012CN102667090A Apparatus, system, and method for estimating deterioration of a NOX sensor response rate
09/12/2012CN101809261B NOx sensor malfunction diagnostic device and malfunction diagnostic method
09/11/2012US8261534 Exhaust gas purifying apparatus for internal combustion engine
09/07/2012WO2012118430A1 Method for fault detection in an exhaust system
09/07/2012WO2012118429A1 Method for fault detection in an exhaust system
09/06/2012US20120222405 Detector for detecting sulfur components
09/06/2012US20120222402 Method for diagnosing exhaust gas probes and/or catalytic converters
09/06/2012DE102011078161A1 Method for detecting needle movement of metering valve for controlling e.g. usage amount of reducing agent in exhaust after-treatment system, involves adding the differences of comparison results, to obtain quality number for valve
09/06/2012DE102011012681A1 Hochtemperatursensor zur Anordnung in einem Metallrohr, insbesondere innerhalb eines Abgasstranges einer Brennkraftmaschine High temperature sensor to be placed in a metal tube, particularly within an exhaust system of an internal combustion engine
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
09/05/2012CN102654075A Oxidation catalyst burn threshold adjustment to avoid quenching
09/05/2012CN102654071A Method for determining soot mass stored with a particulate filter
09/05/2012CN101680327B Method for operating a motor vehicle comprising an exhaust gas heating device
08/2012
08/30/2012US20120216508 Emission control
08/30/2012DE112010003873T5 System, Verfahren und Vorrichtung zum Ermitteln der Qualität einer Nachbehandlungsflüssigkeit System, method and device for determining the quality of a post-treatment liquid
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
08/29/2012EP2491232A1 Method for detecting mechanical failure in a nitrogen oxide treatment system
08/29/2012CN102650229A Method and device for detecting oxygen storage capacity of three-way catalyst
08/29/2012CN101835960B System and method for estimating nox produced by an internal combustion engine
08/29/2012CN101832170B Abnormity diagnosing device for a tail gas clean-up system and tail gas clean-up system
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