| Patents for F01N 11 - Monitoring or diagnostic devices for exhaust-gas treatment apparatus (7,022) |
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| 01/15/2003 | EP1274926A1 A method of controlling the concentration of nitrogen oxides, hydrocarbons and carbon monoxide in conjunction with the cleansing of emission gases |
| 01/14/2003 | US6506605 System for sensing catalyst coating loss and efficiency |
| 01/09/2003 | DE10164179C1 Process for adjusting ozone sensors for the onboard diagnosis of a catalytic element in a vehicle for splitting ozone, involves extracting release conditions for carrying out sensor adjustment |
| 01/08/2003 | EP1273337A1 NOx release index |
| 01/08/2003 | EP1272746A1 Method for diagnosing an exhaust gas cleaning system of a lambda-controlled internal combustion engine |
| 01/07/2003 | US6502388 Engine exhaust gas cleaning system |
| 01/07/2003 | US6502387 Method and system for controlling storage and release of exhaust gas constituents in an emission control device |
| 01/07/2003 | US6502386 Catalyst monitoring in a diesel engine |
| 01/02/2003 | US20030000207 Diagnosis device for an engine |
| 01/02/2003 | US20030000205 System and method for determining set point location for oxidant-based engine air/fuel control strategy |
| 01/02/2003 | US20030000204 Oxidant storage capacity estimation |
| 01/02/2003 | US20030000203 Oxygen storage capacity estimation |
| 01/02/2003 | US20030000202 Exhaust gas aftertreatment device efficiency estimation |
| 01/02/2003 | EP1270765A1 Membrane electrolyser |
| 12/31/2002 | US6499291 Apparatus and method for monitoring NOx storage catalytic converters |
| 12/31/2002 | US6499290 Engine exhaust purification device |
| 12/26/2002 | US20020197721 Apparatus for detecting of defective catalyst |
| 12/26/2002 | US20020196153 Device for purifying exhaust gas of engines |
| 12/26/2002 | US20020194836 Method and system for controlling storage and release of exhaust gas constituents in an emission control device |
| 12/24/2002 | US6497094 Method for monitoring a secondary air system in associated with the exhaust system of a vehicle |
| 12/24/2002 | US6497092 NOx absorber diagnostics and automotive exhaust control system utilizing the same |
| 12/19/2002 | US20020189237 Oxygen storage capacity estimation |
| 12/18/2002 | EP1267232A2 Control unit for vehicle |
| 12/18/2002 | CN1386161A Exhaust gas purification device |
| 12/17/2002 | US6494036 Method for operating the catalyst of an internal combustion engine |
| 12/12/2002 | US20020184877 Engine exhaust purifying apparatus |
| 12/11/2002 | EP1264977A1 Exhaust emission control system for internal combustion engine |
| 12/11/2002 | EP1264094A2 Method for operating an internal combustion engine in particular in a motor vehicle |
| 12/11/2002 | EP1161619B1 Method for monitoring the function of catalysts in internal combustion engines |
| 12/11/2002 | EP0796390B1 Process and device for monitoring the operation of a catalyst |
| 12/10/2002 | US6490859 Engine exhaust purification device |
| 12/10/2002 | US6490858 Catalytic converter thermal aging method and apparatus |
| 12/05/2002 | WO2002097255A1 Compression ignition internal combustion engine |
| 12/05/2002 | US20020178714 Methodology of robust initialization of catalyst for consistent oxygen storage capacity measurement |
| 12/05/2002 | DE10124550A1 Sensor und Verfahren zur Überwachung und Steuerung von Katalysatoren, insbesondere von Kraftfahrzeugkatalysatoren Sensor and method for monitoring and controlling of catalysts, in particular motor vehicle catalysts |
| 12/03/2002 | US6487852 Method and apparatus for controlling reactant injection into an active lean NOx catalyst |
| 11/28/2002 | WO2002095199A1 Sensor and method for monitoring and controlling catalysts, especially motor vehicle catalysts |
| 11/27/2002 | CN1095029C Method for monitoring conversion rate of exhaust gas catalyst for internal combustion engine |
| 11/27/2002 | CN1095028C Method and device for monitoring NOx accumulator |
| 11/26/2002 | US6484496 System for assisting the regeneration of a particle filter integrated into an exhaust line of a motor vehicle diesel engine |
| 11/26/2002 | US6484493 Exhaust emission control device for internal combustion engine |
| 11/21/2002 | WO2002014828A3 Method and system for performing an exhaust gas analysis on motor vehicles having an on-board engine control and diagnostic system |
| 11/21/2002 | US20020173919 Exhaust emission control system for internal combustion engine |
| 11/21/2002 | US20020170287 Exhaust gas purification device |
| 11/21/2002 | DE10125759A1 Process for acquiring a charged state of a nitrogen oxides storage catalyst arranged in an exhaust gas channel of a lean-burn internal combustion engine comprises determining the nitrogen oxides |
| 11/19/2002 | US6482650 Method for detecting deterioration of catalyst |
| 11/12/2002 | US6477830 Fault determining apparatus for exhaust passage switching valve |
| 11/06/2002 | EP1254307A1 METHOD AND DEVICE FOR DETECTING A NOx STORAGE CAPACITY OF A NOx STORAGE CATALYST |
| 11/05/2002 | US6477458 Air-fuel ratio control apparatus for internal combustion engine |
| 11/05/2002 | US6474147 Exhaust-gas purification device for internal combustion engine |
| 10/31/2002 | US20020157381 Engine exhaust purification arrangement |
| 10/31/2002 | US20020157380 Engine exhaust purification device |
| 10/31/2002 | US20020157379 Exhaust emission control for engine |
| 10/31/2002 | DE19931223C2 Verfahren zum Erkennen und Aufrechterhalten der Betriebsbereitschaft eines NOx-Speicherkatalysators A method for detecting and maintaining the operational readiness of a NOx storage catalytic converter |
| 10/29/2002 | US6470674 Deterioration detecting apparatus and method for engine exhaust gas purifying device |
| 10/24/2002 | WO2002084086A1 Exhaust gas cleaner for internal combustion engine |
| 10/24/2002 | US20020152743 Engine exhaust purification device |
| 10/24/2002 | US20020152742 Engine exhaust purification device |
| 10/23/2002 | CN1376234A Method for diagnosing the level of deterioration of an Nox storage catalyst in the exhaust channel of an internal combustion engine |
| 10/22/2002 | US6467254 Diagnostic system for detecting catalyst failure using switch ratio |
| 10/17/2002 | US20020148279 Gas sensor |
| 10/17/2002 | US20020148217 Catalyst deterioration detecting device and catalyst deterioration detecting method |
| 10/17/2002 | DE10211345A1 Verfahren zum Bewerten des Aufwärmens eines Katalysators für einen katalytischen Konverter eines Kraftfahrzeugs A method for evaluating the warming up of a catalyst for a catalytic converter of a motor vehicle |
| 10/16/2002 | EP1248900A1 METHOD AND DEVICE FOR DIAGNOSIS OF AN NO x? STORAGE CATALYST |
| 10/16/2002 | CN1375039A Method for monitoring the function of an NOx sensor arranged in an exhaust gas channel of an niternal combustion engine |
| 10/15/2002 | US6463735 Apparatus for detecting deterioration of exhaust gas purifying catalysts |
| 10/15/2002 | US6463734 Exhaust emission control device of internal combustion engine |
| 10/15/2002 | US6463732 Method and arrangement for checking catalytic converter heating measures in an internal combustion engine |
| 10/10/2002 | US20020144502 Method for checking a three-way exhaust catalytic converter of an internal-combustion engine |
| 10/10/2002 | DE10212357A1 Arrangement for regulating internal combustion engine regulates engine starting and stopping based on state of exhaust gas cleaning device predicted by prediction arrangement |
| 10/09/2002 | EP1247008A1 Method for operating a three-way catalyst of an internal combustion engine |
| 10/09/2002 | EP1247007A1 Method for operating an internal combustion engine, in particular, of a motor vehicle |
| 10/09/2002 | EP1247006A1 Method for operating a storage catalyst of an internal combustion engine |
| 10/08/2002 | US6460329 Exhaust gas purifying facility with nitrogen oxides absorption-reduction catalyst |
| 10/08/2002 | US6460328 Method of operating an exhaust-emission control system with a nitrogen oxide adsorber and a loading sensor |
| 10/03/2002 | US20020139110 Catalyst warm-up assessment method for a motor vehicle catalytic converter |
| 10/03/2002 | US20020139109 Catalyst deterioration detecting system for an automobile |
| 10/02/2002 | EP1244871A1 Device and method for controlling a rate of recirculated exhaust gas of an exhaust gas recirculation device for combustion engines during lean operation |
| 10/02/2002 | EP0991853B1 Method for monitoring the conversion rate of an exhaust gas catalytic converter for an internal combustion engine |
| 10/02/2002 | DE10112678A1 Verfahren zur Herstellung eines metallischen Wabenkörpers mit Aufnahme für einen Sensor A process for producing a metallic honeycomb body with a slot for a sensor |
| 10/02/2002 | CN1372618A Engine exhaust purification arrangement |
| 10/02/2002 | CN1372616A Method for operating an internal combustion engine |
| 09/26/2002 | WO2002075128A1 Method and device for monitoring an exhaust gas treatment system |
| 09/26/2002 | WO2002075126A1 Method and device for production of a honeycomb body and honeycomb bodies |
| 09/26/2002 | WO2002075125A1 Method of producing a metal honeycomb body with a receiver for a sensor |
| 09/26/2002 | US20020134077 Method for operating the catalyst of an internal combustion engine |
| 09/25/2002 | EP1243769A1 Air-fuel ratio controller for internal combustion engines |
| 09/25/2002 | EP1242724A2 Device and method for determination of exhaust gas and catalyst temperature |
| 09/25/2002 | EP1242723A1 Diagnostic method for an exhaust system of a combustion engine |
| 09/24/2002 | US6453661 System and method for determining target oxygen storage in an automotive catalyst |
| 09/19/2002 | WO2002073011A1 Method and device for monitoring a signal |
| 09/19/2002 | US20020132352 Evaluating method for NOx eliminating catalyst, an evaluating apparatus therefor, and an efficiency controlling method therefor |
| 09/19/2002 | US20020130053 Methods and apparatus for measuring NOx gas concentration, for detecting exhaust gas concentration and for calibrating and controlling gas sensor |
| 09/19/2002 | US20020129599 Diagnosis device for an engine |
| 09/19/2002 | DE10113010A1 Process used in a motor vehicle for monitoring exhaust gas treatment system, especially oxidation catalyst, identifies error when operating variable unexpectedly changes in presence of predetermined operating state |
| 09/19/2002 | DE10112138A1 Verfahren und Vorrichtung zur Überwachung eines Signals Method and device for monitoring a signal |
| 09/18/2002 | EP1131544B1 METHOD FOR MONITORING NOx STORAGE CATALYTIC CONVERTERS AND EXHAUST-GAS PURIFICATION DEVICE FOR CARRYING OUT SAID METHOD |
| 09/18/2002 | CN2511522Y Monitor on roadside for automobile exhaust |
| 09/18/2002 | CN1369627A Evaluating tester for catalytic cleaner activity of motorcycle |
| 09/18/2002 | CN1369626A Catalytic cleaner matching method for motorcycle |