Patents for F01N 11 - Monitoring or diagnostic devices for exhaust-gas treatment apparatus (7,022)
09/2010
09/08/2010CN201574808U Vehicle mounted diagnosis system of diesel engine for heavy-duty car
09/02/2010WO2010097292A1 Method for operating an exhaust gas system
09/02/2010WO2010097187A1 A method for estimating the heat exchange rate related to exothermic oxidation reactions of a diesel oxidation catalytic converter in an internal combustion engine
09/02/2010US20100218487 Model-based diagnostics of nox sensor malfunction for selective catalyst reduction system
09/02/2010US20100218485 Air-fuel ratio control apparatus and air-fuel ratio control method for internal combustion engine
09/02/2010DE102009010021A1 Simulation model for on-board diagnostics of degree of deterioration of catalyst arranged in exhaust pipe of internal combustion engine, has multiple characteristics for respective catalytic type
09/01/2010EP2224109A2 Controller for internal combustion engine
09/01/2010CN101818681A Exhaust treatment diagnostic system and method
09/01/2010CN101818675A Liquid storage tank pressurized urea solution metering injection system for diesel vehicle
08/2010
08/26/2010US20100217506 Internal combustion engine air-fuel ratio control apparatus and method
08/26/2010DE102009025682A1 Bordeigene Nachbehandlungsvorrichtung zur Berechnung des Kohlenwasserstoffverlusts am Auspuff On-board treatment device for calculating the hydrocarbon loss on the exhaust
08/26/2010DE102009010517A1 Verfahren zum Betrieb eines Abgassystems Method for operating an exhaust system
08/26/2010DE102009001064A1 Method for determining measure for water drop entry into exhaust gas channel of internal combustion engine, involves comparing rise of sensor signal with threshold value, and providing measure for water drop entry after exceeding value
08/26/2010DE102009001002A1 Motor vehicle power train operating method, involves determining exhaust molar mass under consideration of humidity of air supplied to internal-combustion engine for operation for determination of characteristic
08/25/2010EP2004965B1 Exhaust gas purification system for internal combustion engine
08/25/2010CN101360892B Exhaust gas purifying apparatus for internal combustion engine
08/19/2010WO2010093286A1 Method for operating an exhaust aftertreatment system and exhaust aftertreatment system
08/19/2010US20100206042 Emissions Monitoring Apparatus, System, and Method
08/19/2010US20100205941 Exhaust gas recirculation device of internal combustion engine
08/19/2010US20100205940 Exhaust emission control system of internal combustion engine and exhaust emission control method
08/19/2010US20100205939 Exhaust gas purifying apparatus for internal combustion engine
08/19/2010DE102009058003A1 Diagnosesysteme und -verfahren für Systeme für selektive katalytische Reduktion (SCR) auf Grundlage einer Nox-Sensor-Rückkopplung Diagnostic systems and methods for systems for selective catalytic reduction (SCR) based on a NOx sensor feedback
08/18/2010CN101809261A NOx sensor malfunction diagnostic device and malfunction diagnostic method
08/17/2010US7776265 comprising a reagent solution source for supplying the solution to emissions catalyst of internal combustion engines; concentration and/or contamination level monitors; fault indicator; pollution control apparatus
08/17/2010US7775033 System for evaluating regeneration of pollution management means integrated in a motor vehicle engine exhaust line
08/12/2010WO2010089370A1 On-board vehicle diagnostic of an oxidation catalyst
08/12/2010WO2010056802A3 Exhaust component having permanently associated life indicator
08/12/2010US20100199638 Apparatus for diagnosing deterioration of nox absorption-reduction catalyst
08/12/2010US20100199637 Rotational generation type wireless oxygen sensor
08/12/2010US20100199636 Exhaust purifying apparatus for an internal combustion engine
08/12/2010US20100199635 Exhaust gas purifying system
08/12/2010DE19801626B4 Diagnose eines NOx-Speicherkatalysators beim Betrieb von Verbrennungsmotoren Diagnosis of an NOx storage catalytic converter during the operation of internal combustion engines
08/12/2010DE102010006728A1 Exhaust gas treatment system's function testing device for internal combustion engine of e.g. lorry, has injection unit to inject fuel into exhaust gas line before catalyzer, in order to compare temperature differences with one another
08/12/2010DE102009007763A1 Method for determining effectiveness of Zeolite-based selective catalytic reduction catalyzer, in vehicle, involves determining loading condition of catalyzer with substance of exhaust gas mixture different from reducing agent
08/11/2010EP2216531A1 Internal combustion engine exhaust gas control apparatus
08/11/2010EP2216522A1 On-board vehicle diagnostic of an oxidation catalyst
08/11/2010EP2216521A1 Internal combustion engine exhaust gas control apparatus
08/11/2010EP1989415B1 Exhaust purification system for internal combustion engine
08/11/2010CN1740531B Method and apparatus for operation of a heat engine
08/11/2010CN101798947A Robust design of diagnostic enabling conditions for scr nox conversion efficiency monitor
08/05/2010WO2010059462A3 Rigid particulate matter sensor
08/05/2010US20100192544 Exhaust gas purification apparatus in an internal combustion engine
08/05/2010US20100192543 Control apparatus for internal combustion engine
08/03/2010US7769533 System for determining the level of sulphur poisoning of depollution means integrated into the exhaust line of a motor vehicle engine
08/03/2010US7765791 System for evaluating degree of soot loading in depollution means
07/2010
07/29/2010US20100191437 Method and system for monitoring an active hydrocarbon adsorber
07/29/2010US20100186378 Exhaust gas purification apparatus for internal combustion engine
07/29/2010US20100186377 Internal combustion engine exhaust gas control apparatus and control method thereof
07/29/2010DE102009057735A1 Differential pressure sensor frozen state detection method for exhaust gas tract of motor vehicle, involves using value of sensor signal if it is determined that curing condition is fulfilled to indicate sensor is not frozen
07/29/2010DE102009006059A1 Internal combustion engine operating method for vehicle, involves adjusting operating condition of internal combustion engine during one aging status different from another aging status
07/29/2010DE102009000457A1 Method for detecting leaks in exhaust gas system of internal combustion engine, involves recording gas concentration signal and pressure signal in predetermined operating mode of internal combustion engine
07/29/2010DE102009000410A1 Exhaust-gas treatment device diagnosing method for exhaust gas area of internal-combustion engine e.g. petrol engine, during operation of motor vehicle, involves utilizing result of diagnosis of catalyst for diagnosis of filter device
07/28/2010CN101790624A Method for verifying the aging condition of a catalytic converter on board a vehicle
07/28/2010CN101790623A Operating and diagnostic method for an scr exhaust-gas aftertreatment system
07/28/2010CN101787919A Method and system for monitoring an active hydrocarbon adsorber
07/22/2010WO2010082104A1 Temperature sensor, sulfur component detector, and exhaust purification system for internal combustion engine
07/22/2010WO2010062566A3 Ammonia gas sensor method and device
07/22/2010US20100180577 Apparatus and method for onboard performance monitoring of exhaust gas particulate filter
07/22/2010US20100180576 Robust design of diagnostic enabling conditions for scr nox conversion efficiency monitor
07/22/2010DE102009005012A1 Method for operating dosing device, particularly dosing pump, involves supplying reducing agent for exhaust tract, particularly of vehicle, and determining parameter which is changed in dependence of supply of reducing agent
07/22/2010DE102009000298A1 Method for alignment of lambda sensor signal provided by lambda sensor arranged in exhaust duct of internal-combustion engine of motor vehicle, involves opening butterfly valve during fuel cut-off, and adjusting signal after opening valve
07/22/2010DE102009000286A1 Überwachung eines Partikelgrenzwerts im Abgas einer Brennkraftmaschine Monitoring of a particle limit in the exhaust gas of an internal combustion engine
07/21/2010CN101784763A Exhaust gas purifying system
07/21/2010CN101782756A System for monitoring tail gas of heavy-duty vehicle
07/21/2010CN101782011A Apparatus and method for onboard performance monitoring of exhaust gas particulate filter
07/20/2010US7759254 Method for forming impurity-introduced layer, method for cleaning object to be processed apparatus for introducing impurity and method for producing device
07/15/2010US20100175370 Device and method for regenerating particulate filters, use of a medium for regenerating particulate filters, and refill pack comprising said with the medium
07/15/2010US20100175368 Method for checking an oxidation catalytic converter and exhaust gas after treatment arrangement for an internal combustion engine
07/15/2010DE102009056844A1 Motorabgasemissions-Steuervorrichtung Engine exhaust emission control device
07/15/2010DE102009051203A1 Verfahren und Vorrichtung zum Detektieren eines Fehlers eines Stickoxid-Reinigungskatalysators Method and apparatus for detecting an error of a nitrogen oxide purification catalyst
07/15/2010DE102009000148A1 Verfahren zum Überprüfen eines Oxydationskatalysators und Abgasnachbehandlungsanordnung für eine Brennkraftmaschine A method for checking an oxidation catalyst and exhaust treatment device for an internal combustion engine
07/15/2010DE102009000146A1 Method for detecting gases with high concentration of e.g. hydrocarbon in lean exhaust gas of engine of motor vehicle, involves making sensor electrode to output signal for performing onboard diagnosis process
07/15/2010DE102009000138A1 Method for testing oxidation catalyst flowed through by exhaust gas of internal-combustion engine for reducing portion of hydrocarbons at exhaust gas, involves evaluating a influence of exothermically running reaction of hydrocarbons
07/15/2010DE102009000076A1 Method for determining dosage for reagent material drop entry in exhaust duct of internal combustion engine, involves operating exhaust gas sensor arranged in exhaust gas area with exhaust gas sensor-diagnostic temperature-set point
07/15/2010DE102004001831B4 Verfahren und System zur Überwachung eines Katalysatorwirkungsgrads und einer Sekundärlufteinblasung Method and system for monitoring a catalyst efficiency and a secondary air
07/14/2010EP1954925B1 System for determining the level of sulphur poisoning of depollution means integrated into the exhaust line of a motor vehicle engine
07/14/2010CN101779015A Gas sensor fitting structure
07/13/2010CA2363378C Engine emission analyzer
07/08/2010WO2010076425A1 Device for measuring the threshold thickness of a layer of purely resistive material, measuring method, method for dimensioning such device, and use of such device in an exhaust pipe
07/08/2010DE10319330B4 System und Verfahren zum Beeinflussen der Ansauggastemperatur im Brennraum eines Verbrennungsmotors System and method for influencing the intake gas temperature in the combustion chamber of an internal combustion engine
07/08/2010DE10252732B4 Verfahren und Vorrichtung zum Betrieb einer Abgasnachbehandlungseinrichtung einer Brennkraftmaschine Method and apparatus for operating an exhaust aftertreatment system of an internal combustion engine
07/08/2010DE102009000063A1 Verfahren zur Prüfung der Funktionsfähigkeit einer Dosiervorrichtung und Dosiervorrichtung Method for testing the functionality of a metering and dosing
07/08/2010DE10065125B4 Verfahren und Vorrichtung zur Modellierung einer Temperatur im Abgassystem eines Verbrennungsprozesses Method and apparatus for modeling a temperature in the exhaust system of a combustion process
07/07/2010EP2203634A1 Method for testing the functionality of an oxidation catalyst of an internal combustion engine
07/01/2010US20100162687 Method and device for the control of the operating state of the catalytic converter of the exhaust line of an internal combustion engine
06/2010
06/30/2010CN101761377A NOx emission estimation systems and methods
06/29/2010US7743607 System for assisting regeneration of pollution management means in an engine exhaust line
06/29/2010US7743603 Exhaust gas purification apparatus
06/24/2010US20100158758 Gas Sensor Assembly
06/24/2010US20100154386 DIAGNOSTIC SYSTEMS AND METHODS FOR SELECTIVE CATALYTIC REDUCTION (SCR) SYSTEMS BASED ON NOx SENSOR FEEDBACK
06/23/2010EP2199553A1 Failure detection apparatus for exhaust gas purifying filter
06/23/2010EP2198136A1 Method of diagnosing the state of a catalytic converter of an exhaust system of a motor vehicle engine
06/23/2010CN101749092A On board diagnostic monitor of nox conversion efficiency for aftertreatment device
06/23/2010CN101054918B Diesel engine oxidation catalyzer (DOC) temperature-sensor rationality diagnosis
06/23/2010CN101052794B Method for controlling automobile waste capable of heating sensor running
06/17/2010WO2010068147A1 Scr closed loop control system
06/17/2010WO2010067127A1 Method and apparatus for testing a catalyst material
06/17/2010US20100146936 Catalyst Deterioration Detection Device
06/17/2010CA2746722A1 Method and apparatus for testing a catalyst material
06/16/2010CN1902386B Apparatus for evaluating deterioration condition of catalyst of internal combustion engine
1 ... 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 ... 71