| Patents for F01N 11 - Monitoring or diagnostic devices for exhaust-gas treatment apparatus (7,022) |
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| 07/29/2004 | DE10302700A1 Process for diagnosing a nitrogen oxides storage catalyst arranged in exhaust gas tract of a lean-burn combustion engine, comprises determining and evaluating a storage value for differential diagnosis during deactivation of the catalyst |
| 07/29/2004 | DE10301606A1 Process for operating a catalyst of an I.C. engine of a vehicle, comprises controlling the amount of re-agent depending on the observed parameter of an adapted observation system |
| 07/29/2004 | DE10301605A1 Verfahren zum Betreiben eines Katalysators und Vorrichtung zum Dosieren wenigstens eines Reagens Method for operating a device for metering the catalyst and at least one reagent |
| 07/29/2004 | DE10300939A1 Verfahren und Vorrichtung zur Überwachung des NOx-Signals eines NOx-Sensors A method and apparatus for monitoring the NOx signal of a NOx sensor |
| 07/29/2004 | DE10257172A1 Verfahren zum Betreiben einer Verbrennungskraftmaschine mit einer flexiblen Anpassung der Bauteileschutzauslegung Method for operating an internal combustion engine with a flexible adaptation of the component protection design |
| 07/29/2004 | DE102004001831A1 Verfahren und Vorrichtung zur Überwachung eines Katalysatorwirkungsgrads und einer Sekundärlufteinblasung Method and apparatus for monitoring a catalyst efficiency and a secondary air |
| 07/28/2004 | EP1325218B1 Method and device for diagnosing the storing properties of a nox storage catalyst |
| 07/22/2004 | US20040139797 Apparatus for evaluating deteriorated state of hydrocarbon adsorbent |
| 07/22/2004 | US20040139739 Exhaust gas purifying apparatus and exhaust gas purifying method for an internal combustion engine |
| 07/22/2004 | US20040139732 Exhaust catalyst monitoring arrangement |
| 07/22/2004 | DE10296962T5 Auf Abgasrückdruck basierende Motorsteuerung On the exhaust back pressure based engine control |
| 07/22/2004 | DE10260294A1 Motor vehicle combustion engine misfire recording method in which crankshaft speed is monitored and additionally temperature and exothermic energy conversion in the pre-catalytic converter |
| 07/21/2004 | EP1439287A2 Method for controlling a catalyst and device for dosing at least one reagent |
| 07/20/2004 | US6763655 Catalyst state detector for exhaust gas purifying catalyst |
| 07/15/2004 | US20040134187 Exhaust gas purification system and method |
| 07/15/2004 | US20040134186 Method and apparatus for monitoring catalyst efficiency and secondary air injection |
| 07/15/2004 | US20040134185 Method and electronic control unit for diagnosing a catalytic converter |
| 07/14/2004 | EP1437493A1 Exhaust gas purification system and method |
| 07/14/2004 | EP1437488A1 Hydrocarbon adsorbent state monitoring device |
| 07/13/2004 | US6761024 Air-fuel ratio control system and method for internal combustion engines |
| 07/13/2004 | US6761023 Method for operating an internal combustion engine, in particular, of a motor vehicle |
| 07/08/2004 | US20040128984 System and method for determining set point location for oxidant-based engine air/fuel control strategy |
| 07/08/2004 | US20040128983 Catalyst deterioration detecting apparatus |
| 07/08/2004 | DE10309421A1 Internal combustion engine exhaust system catalytic converter condition diagnosis uses rich and lean exhaust gas feeds and signals from probe downstream of converter |
| 07/08/2004 | DE10257059A1 Verfahren und Vorrichtung zur Diagnose von Katalysatoreinheiten Method and apparatus for the diagnosis of catalyst units |
| 07/07/2004 | CN1511223A Method and device for production of honeycomb body and honeycomb bodies |
| 07/06/2004 | US6758039 Exhaust gas cleaning system having particulate filter |
| 07/06/2004 | US6758034 Method for operating an internal combustion engine |
| 07/06/2004 | US6758033 State determining apparatus for exhaust gas purifier |
| 07/01/2004 | WO2004055337A1 Method of detecting the clogging level of a diesel vehicle particle filter |
| 07/01/2004 | US20040123587 Engine starting apparatus |
| 07/01/2004 | US20040123586 Exhaust gas cleaning system for internal combustion engine |
| 07/01/2004 | US20040123584 Method and device for controlling an internal combustion engine |
| 07/01/2004 | DE10359883A1 Motorstartvorrichtung Motor starter |
| 06/30/2004 | EP1434049A1 Method of and device for monitoring the NOx signal of an NOx sensor |
| 06/30/2004 | EP1433941A2 Engine exhaust purification device |
| 06/30/2004 | EP1433940A2 Method for operating a gas sensor and device for carrying out the method |
| 06/29/2004 | US6756904 Device for purifying exhaust gas of engines |
| 06/29/2004 | US6755013 Apparatus and method for detecting deterioration of catalyst of internal combustion engine |
| 06/24/2004 | WO2004053307A1 Method and device for the diagnosis of catalytic units |
| 06/24/2004 | DE10254477B3 Prüfverfahren für einen Abgaskatalysator und eine entsprechende Prüfeinrichtung Methods of test for a catalytic converter and a corresponding test facility |
| 06/23/2004 | EP1431539A2 Adsorbent degradation-determining system |
| 06/17/2004 | US20040112044 Method and device for monitoring an exhaust gas treatment system |
| 06/17/2004 | US20040112043 Exhaust gas cleaner for internal combustion engine |
| 06/17/2004 | DE10354276A1 Exhaust gas purification device for diesel engines comprises oxidation catalyst arranged before another oxidation catalyst in exhaust gas line, bypass, and unit for changing flow path of exhaust gas |
| 06/17/2004 | DE10347132A1 Abgasnachbehandlungssysteme Exhaust aftertreatment systems |
| 06/17/2004 | DE10254704A1 Verfahren zur Diagnose der Funktionsfähigkeit einer Abgas-Katalysatoreinheit A method for diagnosing the operability of an exhaust-catalyst unit |
| 06/10/2004 | US20040107693 System and method for monitoring the feeding of secondary air into the exhaust as of an internal combustion engine |
| 06/09/2004 | EP1426751A1 Exhaust gas sampling device |
| 06/09/2004 | EP1426575A1 Method and apparatus for monitoring an exhaust gas after-treatment system |
| 06/09/2004 | EP1426574A1 Process and device for diagnosing a NOx-catalyst-absorber in a stationery vehicle |
| 06/09/2004 | EP1425498A1 Method for controlling operating conditions of a particulate filter coated with a catalytic phase for combustion engine |
| 06/09/2004 | CN1502794A Apparatus and method for puring exhausted gas of internal combustion engine |
| 06/08/2004 | US6745559 Method for operating and internal combustion engine, in particular of a motor vehicle |
| 06/03/2004 | WO2004046528A1 Method for testing a catalytic converter and corresponding testing device |
| 06/03/2004 | DE10254843A1 Method of monitoring motor vehicle exhaust gas cleaning system involves injecting urea-water mix into exhaust to determine if sensor output varies |
| 06/03/2004 | DE10144674B4 Verfahren zur Erkennung einer Fehlfunktion an einer Abgasklappeneinrichtung und/oder einer Saugrohrumschalteinrichtung Method for detecting a malfunction of an exhaust gas flap device and / or a Saugrohrumschalteinrichtung |
| 06/02/2004 | EP1424471A1 Deteriorated state evaluation device for exhaust emission control equipment |
| 06/01/2004 | US6743352 Method and apparatus for correcting a gas sensor response for moisture in exhaust gas |
| 05/27/2004 | US20040098974 Exhaust gas aftertreatment systems |
| 05/27/2004 | DE10252732A1 Verfahren und Vorrichtung zum Betrieb einer Abgasnachbehandlungseinrichtung einer Brennkraftmaschine Method and apparatus for operating an exhaust aftertreatment system of an internal combustion engine |
| 05/26/2004 | EP1422398A1 Method of diagnosing the efficiency of an exhaust gas catalytic unit |
| 05/26/2004 | EP1422392A1 Deteriorated state evaluation device of exhaust emission control equipment |
| 05/25/2004 | US6739176 Process for checking the operability of an exhaust gas purification catalyst |
| 05/25/2004 | US6739122 Air-fuel ratio feedback control apparatus |
| 05/13/2004 | WO2004040104A1 Method for testing at least three sensors, which detect a measurable variable for an internal combustion engine |
| 05/13/2004 | WO2004040103A1 Method for recognition of the loading of a particle filter |
| 05/13/2004 | DE10345405A1 Catalyst degradation detector for internal combustion engine of vehicle, detects degradation of catalyst when temperature of catalyst exceeds activity temperature and nitrogen oxide purification effectiveness reduces |
| 05/13/2004 | DE10344910A1 Diagnosesystem für Sekundärlufteinblasung unter Verwendung einer Druckrückkopplung Diagnostic system for secondary air using a pressure feedback |
| 05/13/2004 | DE10341454A1 Verfahren zur Überprüfung wenigstens dreier Sensoren, die eine Messgröße im Bereich einer Brennkraftmaschine erfassen Method for checking at least three sensors that detect a measure in the range of an internal combustion engine |
| 05/13/2004 | DE10249421A1 Monitoring delivery of secondary air into internal combustion engine exhaust gas involves using output signals of lambda probes in exhaust gas channels to determine uneven distribution of air mass |
| 05/12/2004 | EP1418324A2 Method and apparatus for the regeneration of a particle filter |
| 05/12/2004 | CN1496440A Method for mfg. metal honeycomb body with sensor mounting hole |
| 05/06/2004 | US20040083720 On-board diagnostic catalyst monitoring system |
| 05/06/2004 | US20040083719 Method and system for controlling temperature of an internal combustion engine exhaust gas aftertreatment device |
| 05/06/2004 | EP1416130A2 Method to control the exhaust gas treating of a direct injection Otto engine and of a lean-burn engine |
| 05/06/2004 | EP1415111A1 Method and apparatus for testing catalytic converter durability |
| 05/05/2004 | CN1493774A Manufacturing method of electric current type automobile tail gas sensor |
| 05/04/2004 | US6729121 Adsorbent deterioration determining apparatus |
| 04/29/2004 | WO2004036006A1 Method and system for verifying the functionality of a particle detector |
| 04/29/2004 | DE10346029A1 Exhaust emission control device for internal combustion engine e.g. diesel engine, detects catalyst state in diesel particulate filter based on temperature value calculated by electronic control unit |
| 04/29/2004 | DE10248842A1 Process and apparatus for determining the deterioration condition of an exhaust gas catalyst using temperature and oxygen partial pressure measurements |
| 04/29/2004 | DE10248431A1 Verfahren zur Erkennung der Beladung eines Partikelfilters Method for detecting the loading of a particle filter |
| 04/29/2004 | DE10248193A1 Removal of unburned fuel from vehicle engine following turning-off to reduce emissions, continues engine rotation using electric motor to remove it |
| 04/29/2004 | DE10247977A1 Verfahren und System zur Überprüfung der Funktionsfähigkeit eines Teilchendetektors A method and system for checking the functionality of a particle |
| 04/28/2004 | EP1413720A2 Method to determine the internal temperature of a particulate filter, method to control the regeneration of said particulate filter, control system and particulate filter thereof |
| 04/28/2004 | EP1413718A1 Exhaust emission control system and method |
| 04/27/2004 | US6727097 Method and apparatus for accelerated catalyst poisoning and deactivation |
| 04/22/2004 | US20040074453 Secondary air injection diagnostic system using pressure feedback |
| 04/22/2004 | US20040074227 System for diagnosing deterioration of catalyst |
| 04/22/2004 | US20040074226 Exhaust emission control system and method |
| 04/22/2004 | US20040074094 Process for producing a metallic honeycomb body with a receptacle for a sensor |
| 04/21/2004 | EP1409855A1 Internal combustion engine comprising a secondary air charge and a method for controlling the secondary air-charge assembly |
| 04/21/2004 | EP1303690B1 Method for adapting a required catalyst temperature range for a no x? storage catalyst |
| 04/21/2004 | EP1183455B1 Engine exhaust purification device |
| 04/15/2004 | WO2004031547A1 Emission amount report device, system for charge for exhaust gas from vehicle, management unit and inspection device making up the system |
| 04/15/2004 | WO2004031546A2 Bypass controlled regeneration of nox adsorbers |
| 04/15/2004 | US20040073353 System and method for controlling catalyst storage capacity |
| 04/15/2004 | CA2503602A1 Bypass controlled regeneration of nox adsorbers |
| 04/13/2004 | US6721649 Engine emission analyzer |