| Patents for F01N 11 - Monitoring or diagnostic devices for exhaust-gas treatment apparatus (7,022) |
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| 11/06/2008 | DE102007020062A1 Method for operation of internal-combustion engine, involves interacting with exhaust apparatus of internal-combustion engine dependent on switching position of gas exhaust valve |
| 11/06/2008 | DE102006006094B4 Verfahren zur Lambdaregelung und zur On-Board-Diagnose Method for lambda control and on-board diagnostics |
| 10/30/2008 | WO2008130294A1 Method and arrangement for monitoring of an injector |
| 10/30/2008 | WO2008130284A1 Method and arrangement for monitoring of injector |
| 10/30/2008 | WO2008129224A1 Method and device for controlling the operating state of a catalytic converter in the exhaust line of an internal combustion engine |
| 10/30/2008 | WO2008129184A1 Low temperature urea injection method |
| 10/30/2008 | US20080264037 Apparatus for deterioration diagnosis of an oxidizing catalyst |
| 10/30/2008 | DE102008018045A1 Vorrichtung zum Bestimmen einer Filterverstopfung für einen Dieselmotor Means for determining a filter clogging for a diesel engine |
| 10/30/2008 | DE102007057632A1 Luft/Kraftstoff-Verhältnis-Steuervorrichtung für einen Verbrennungsmotor Air / fuel ratio control apparatus for an internal combustion engine |
| 10/30/2008 | DE102007019649A1 For the operation of a diesel motor, a raw nitrogen oxide model is prepared for use by the motor control unit to improve motor efficiency and emissions |
| 10/29/2008 | EP1986067A1 Electronic control system for controlling plant temperature |
| 10/29/2008 | EP1984605A2 Method and device for purging an injector in a fuel injector system of use in the regeneration of a particle filter |
| 10/28/2008 | US7441402 Exhaust gas control apparatus and exhaust gas control method for internal combustion engine |
| 10/23/2008 | WO2008091496A3 Honeycomb filter defect detecting method |
| 10/23/2008 | US20080257012 Co2 Tracing Method for Measuring Raw Exhaust Gas Flow Rate at Exit From an Internal Combusting Engine for a Motor Vehicle and Measuring Equipment for Carrying Out Said Method |
| 10/23/2008 | US20080256927 Exhaust system for motor vehicles |
| 10/23/2008 | DE102007018004A1 Broadband lambda probe operating method for determining oxygen concentration in exhaust gas of internal-combustion engine of vehicle, involves acquiring Nernst voltage, and determining lambda value of exhaust gas from Nernst voltage |
| 10/22/2008 | CN100427739C Exhaust gas cleaning system |
| 10/16/2008 | US20080250774 Reductant injection control strategy |
| 10/16/2008 | DE102008000356A1 Sensorsteuerungsvorrichtung Sensor control device |
| 10/16/2008 | DE10061685B4 Katalysatortemperatur-Schätzvorrichtung Catalyst temperature estimating device |
| 10/14/2008 | US7434385 Device for restraining the deterioration of a catalytic apparatus of an internal combustion engine |
| 10/14/2008 | CA2513264C Internal combustion engine transient fuel control |
| 10/09/2008 | WO2008119599A1 Method for heating a reducing agent metering valve in an scr system for exhaust gas after-treatment in an internal combustion engine |
| 10/09/2008 | US20080247912 Urea Concentration Identification Device for Urea Solution |
| 10/09/2008 | US20080245057 Method for the diagnosis of a three-way-catalytic converter for an internal combustion engine |
| 10/09/2008 | DE102008000138A1 Brennkraftmaschinen-Diagnosevorrichtung Internal combustion engine diagnostic apparatus |
| 10/09/2008 | DE102007044611A1 Internal-combustion engine i.e. diesel engine, operating method for motor vehicle, involves determining characteristic of feed ratio and measuring signal, and determining operating condition of selective catalytic reduction system |
| 10/08/2008 | EP1978220A1 Exhaust gas purification method and exhaust gas purification system |
| 10/07/2008 | US7430856 Pressure detection mechanism for exhaust emission control device of internal combustion engine |
| 10/07/2008 | US7430853 Apparatus for evaluating deterioration condition of catalyst of internal combustion engine |
| 10/02/2008 | DE10227175B4 System und Verfahren zur Schätzung der Oxidanzienspeicherung eines Katalysators System and method for estimating a catalyst Oxidanzienspeicherung |
| 10/02/2008 | DE102006043446B4 Störungsdiagnosevorrichtung für Verbrennungsmotor Fault diagnosis device for internal combustion engine |
| 10/02/2008 | DE102004062408B4 Verfahren und Vorrichtung zum Ermitteln einer Sauerstoffspeicherkapazität des Abgaskatalysators einer Brennkraftmaschine und Verfahren und Vorrichtung zum Ermitteln einer Dynamik-Zeitdauer für Abgassonden einer Brennkraftmaschine Method and apparatus for determining an oxygen storage capacity of the exhaust gas catalytic converter of an internal combustion engine and method and apparatus for determining a dynamic time duration for an internal combustion engine exhaust gas probe |
| 10/02/2008 | DE10146372B4 Vorrichtung zur Erfassung einer Katalysatorverschlechterung An apparatus for detecting catalyst deterioration |
| 10/01/2008 | CN101278110A Diagnosis method for exhaustion reprocessing system |
| 10/01/2008 | CN100422519C Method for recognition of the loading of a particle filter |
| 09/30/2008 | US7428947 Electrically controlled in-muffler exhaust valve for use during cylinder deactivation |
| 09/25/2008 | WO2008115211A1 Sensor impact protection apparatus |
| 09/25/2008 | US20080229730 NOx TRAPPING CATALYTIC CONVERTER DIAGNOSTIC APPARATUS |
| 09/23/2008 | CA2395582C Air-fuel ratio control apparatus for internal combustion engine |
| 09/18/2008 | US20080226514 Exhaust Gas Treatment Catalyst |
| 09/18/2008 | DE19626405B4 Luft/Kraftstoff-Verhältnis-Steuervorrichtung für einen Verbrennungsmotor Air / fuel ratio control apparatus for an internal combustion engine |
| 09/18/2008 | DE102007012701A1 Oxidation catalyst converter monitoring method for diesel engine, involves arranging particle sensors in exhaust gas flow direction, and implementing evaluation of signals of sensors with and without hydrocarbon entry |
| 09/18/2008 | DE102005028001B4 Verfahren und Vorrichtung zur Diagnose eines Katalysators im Abgasstrom einer Brennkraftmaschine Method and apparatus for diagnosis of a catalytic converter in the exhaust stream of an internal combustion engine |
| 09/17/2008 | EP1969215A1 A method and an arrangement for monitoring the functioning of a sensor or an exhaust gas aftertreatment system |
| 09/17/2008 | CN101268263A Methods for controlling and making particle filtering devices |
| 09/17/2008 | CN100419229C A deterioration diagnostic device for an exhaust gas purifier |
| 09/16/2008 | US7424801 System for diagnosing deterioration of catalyst |
| 09/12/2008 | WO2008107779A2 Catalyst monitoring system and catalyst monitoring method |
| 09/12/2008 | WO2008107469A1 Method for monitoring the proper performance of a particulate filter and corresponding exhaust gas system |
| 09/11/2008 | DE19912832B4 Vorrichtung zur Steuerung des Luft-Kraftstoff-Verhältnisses für einen Verbrennungsmotor An apparatus for controlling the air-fuel ratio for an internal combustion engine |
| 09/11/2008 | DE102007011487A1 Verfahren zur Überwachung der Funktionsfähigkeit eines Partikelfilters, sowie entsprechendes Abgassystem Procedures for monitoring the functioning of a particulate filter, as well as appropriate exhaust system |
| 09/04/2008 | WO2008105996A1 Engine exhaust treatment system |
| 09/04/2008 | US20080215205 Diagnostic device for internal combustion engine |
| 09/04/2008 | US20080209887 Exhaust throttle valve diagnosing device and method |
| 09/04/2008 | US20080209886 Method for Controlling an Operation of a Heatable Exhaust-Gas Sensor of a Motor Vehicle |
| 09/04/2008 | DE102007010189A1 Particle-filter method for controlling regeneration of a particle filter in an internal combustion engine's exhaust gas system controls burn-up of particles in a particle filter |
| 09/04/2008 | DE102007009873A1 Exhaust gas sensor's interference error occurrence detecting method for diesel engine, involves adjusting high and low concentrations of exhaust gas component, that is before catalyzer, during two sets of operating conditions |
| 09/04/2008 | DE10107680B4 Vorrichtung zur Reinigung des Abgases einer Brennkraftmaschine A device for purifying the exhaust gas of an internal combustion engine |
| 09/03/2008 | EP1963636A1 Method for the diagnosis of a catalytic converter located in an exhaust gas flow, and device for carrying out said method |
| 09/03/2008 | CN101257963A Method for operating an internal combustion engine and device for implementing the method |
| 09/03/2008 | CN101256165A Working method of lambda seeker |
| 09/02/2008 | US7418853 Process for diagnosis of a lambda probe associated with the exhaust gas catalytic converter of an internal combustion engine |
| 08/28/2008 | WO2008103113A1 On-board-diagnosis method for an exhaust aftertreatment system and on-board-diagnosis system for an exhaust aftertreatment system |
| 08/28/2008 | US20080202104 Controller of exhaust gas purifying agent and exhaust gas purifying system |
| 08/28/2008 | US20080202103 Software, methods and systems including soot loading metrics |
| 08/28/2008 | US20080202095 Catalytic converter heating |
| 08/28/2008 | DE112006001990T5 Verfahren und System zur Bestimmung von Ruß- und Aschekonzentrationen in einem Filter A method and system for determining concentrations of soot and ash in a filter |
| 08/28/2008 | DE102008007459A1 Diagnostik für eine Lambdasonde hinter dem Katalysator Diagnosis for a lambda sensor behind the catalytic converter |
| 08/28/2008 | DE102007010535B3 Particle filter's condition determining method, involves measuring electrical voltage produced between two electrodes, and evaluating measured electrical voltage by evaluation device such that condition of particle filter is determined |
| 08/28/2008 | DE102007009157A1 Method for operation of broadband lambda probe for determining oxygen concentration in exhaust gas of internal-combustion engines, involves forming pump cell with two electrodes acting as pump electrodes |
| 08/27/2008 | EP1960645A1 Method for the diagnosis of a catalytic converter which is arranged in an exhaust area of an internal combustion engine and device for carrying out said method |
| 08/27/2008 | EP1960644A1 Method for the diagnosis of a catalytic converter which is arranged in an exhaust area of an internal combustion engine and device for carrying out said method |
| 08/27/2008 | EP1960643A1 Method for the diagnosis of a catalyst arranged in the exhaust gas region of an internal combustion engine, and device for carrying out the method |
| 08/27/2008 | EP1960642A1 Method for the diagnosis of a catalytic converter which is arranged in an exhaust area of an internal combustion engine and device for carrying out said method |
| 08/26/2008 | US7418322 Exhaust temperature sensor malfunction detection apparatus |
| 08/21/2008 | US20080196702 Diagnostic method and control apparatus for gas sensor |
| 08/21/2008 | US20080196393 Device for restraining the deterioration of a catalytic apparatus of an internal combustion engine |
| 08/21/2008 | US20080196392 Flexible fuel injection for multiple modes of diesel engine exhaust aftertreatment |
| 08/21/2008 | US20080196390 Deterioration-determination apparatus for exhaust gas purifying system |
| 08/21/2008 | US20080196387 Method and Device for Managing the Operation of a Nitrogen Oxide Trap, and Diagnosing its Ageing Condition |
| 08/21/2008 | DE19812829B4 Verfahren für die Regelung einer Brennkraftmaschine mit innerer Verbrennung A method for controlling an internal combustion engine with internal combustion |
| 08/21/2008 | DE102007007502A1 Single-or multi-stage exhaust gas purification system diagnosing method for motor vehicle, involves comparing exhaust gas dispensing determined from crude waste gas amount and conversion ability, with preset diagnostic threshold |
| 08/20/2008 | EP1959119A2 Method and device for exhaust gas treatment for an internal combustion engine operating on natural gas |
| 08/20/2008 | EP1959110A1 Exhaust emission control device and method for internal combustion engine |
| 08/20/2008 | EP1957768A1 System for periodic regeneration of a nitrogen oxide catalytic trapping device |
| 08/14/2008 | WO2008072049A3 Internal combustion engine and method of controlling the same |
| 08/14/2008 | WO2008072049A2 Internal combustion engine and method of controlling the same |
| 08/14/2008 | US20080190098 System for Assisting in the Regeneration of Motor Vehicle Depollution Means |
| 08/14/2008 | DE10325292B4 Verfahren und Apparatur zur Bestimmung der Aktivität und des Alterungsverhaltens eines Katalysators Method and apparatus for determining the activity and the aging behavior of a catalyst |
| 08/14/2008 | DE102007006489A1 Method for diagnosis of exhaust sensor within exhaust area of internal-combustion engine, involves detecting change in operating value of internal-combustion engine or characteristic of exhaust gas |
| 08/13/2008 | EP1956209A1 Exhaust purifier for internal combustion engine |
| 08/13/2008 | EP1956208A2 Exhaust gas cleaning apparatus and method thereof |
| 08/13/2008 | EP1954927A2 Control system for internal combustion engine, and control method for internal combustion engine |
| 08/13/2008 | EP1954925A1 System for determining the level of sulphur poisoning of depollution means integrated into the exhaust line of a motor vehicle engine |
| 08/13/2008 | CN101240751A Post catalyst oxygen sensor diagnostic |
| 08/13/2008 | CN101240734A Vehicle exhausting control and remote failure diagnosis system |
| 08/07/2008 | WO2008094116A1 Method and system for heating a catalytic converter before testing a vehicle exhaust system |
| 08/06/2008 | EP1953356A1 Method for control of exhaust gas purification system, and exhaust gas purification system |