| Patents for F01N 11 - Monitoring or diagnostic devices for exhaust-gas treatment apparatus (7,022) |
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| 04/13/2004 | US6718754 Oxygen storage control of engine exhaust gas purification catalyst |
| 04/07/2004 | EP1405990A1 A method and system for monitoring a catalytic converter |
| 04/07/2004 | EP1311748B1 Method and model for modeling an elimination phase of a nitrogen oxide accumulating catalytic converter |
| 04/02/2004 | CA2422188A1 Bypass controlled regeneration of nox adsorbers |
| 04/01/2004 | DE10340336A1 Cleaning particle filter of diesel engine exhaust gas system involves determining partial load operation of engine via signal from exhaust gas return valve |
| 04/01/2004 | DE10243343A1 Process for evaluating three-way catalyst arranged in the exhaust gas pipe of I.C. engine, comprises repeatedly measuring a dinitrogen oxide concentration downstream of the catalyst and producing an emission value and further processing |
| 04/01/2004 | DE10242380A1 Process for determining conversion rate of ozone catalyst in I.C. engine, comprises repeatedly acquiring measuring values of sensor signal of sensor element characteristic for ozone concentration before and after catalyst |
| 03/31/2004 | EP1403479A1 Exhaust gas purifying catalyst for internal combustion engine |
| 03/31/2004 | EP1402935A1 Filter diagnostics method and arrangement |
| 03/30/2004 | US6711892 Exhaust gas purifier for internal combustion engines |
| 03/30/2004 | US6711891 Apparatus for controlling air-fuel ratio of internal combustion engine |
| 03/25/2004 | US20040055280 Exhaust gas purifying catalyst for internal combustion engine |
| 03/25/2004 | US20040055278 Exhaust gas purifying device for engine |
| 03/25/2004 | DE19859462B4 Verfahren zur Entgiftung eines Katalysators sowie Motorsteuersystem zur Durchführung des Katalysatorentgiftungsverfahrens A process for the detoxification of a catalyst and engine control system for performing the catalyst detoxification procedure |
| 03/24/2004 | EP1311747B1 Exhaust-gas purification system comprising a deferred measured value recording |
| 03/18/2004 | WO2004022952A1 Method for operating a nitrogen oxide storage-type catalytic converter of an internal combustion engine, particularly of a motor vehicle |
| 03/18/2004 | WO2004022934A1 Method for determining the degree of ageing of an nox -storage catalyst of an internal combustion engine, especially in a motor vehicle |
| 03/18/2004 | US20040050693 Exhaust gas temperature measurement utilizing an exhaust gas sensor |
| 03/18/2004 | US20040050036 Catalyst deterioration suppressing apparatus and method |
| 03/18/2004 | DE10241556A1 Operating fuel-injected engine with NOx storage catalyst and regeneration, estimates current catalyst storage state using population model |
| 03/18/2004 | DE10241500A1 Verfahren zum Betreiben eines Stickoxid-Speicherkatalysators einer Brennkraftmaschine insbesondere eines Kraftfahrzeuges Method for operating a nitrogen oxide storage catalyst of an internal combustion engine, in particular of a motor vehicle |
| 03/18/2004 | DE10241499A1 Verfahren zur Ermittlung des Alterungsgrades eines Stickoxid-Speicherkatalysators einer Brennkraftmaschine insbesondere eines Kraftfahrzeuges Method for determining the degree of aging of a nitric oxide storage catalyst of an internal combustion engine, in particular of a motor vehicle |
| 03/18/2004 | DE10240833A1 Verfahren zum Verringern von Abgasemissionen einer Brennkraftmaschine A method of reducing exhaust gas emissions of an internal combustion engine |
| 03/17/2004 | EP1230471B1 Method for operating an accumulator-type catalytic converter of an internal combustion engine |
| 03/16/2004 | US6708104 Engine control based on exhaust back pressure |
| 03/11/2004 | US20040045286 Internal combustion engine, control apparatus for internal combustion engine, and control method for internal combustion engine |
| 03/10/2004 | EP1214511B1 METHOD FOR MONITORING THE FUNCTIONING OF A NOx SENSOR ARRANGED IN AN EXHAUST GAS CHANNEL OF AN INTERNAL COMBUSTION ENGINE |
| 03/10/2004 | CN1480635A 发动机控制系统 Engine control system |
| 03/09/2004 | US6701706 Exhaust-gas purification system with delayed recording of measured values and method for determining pollutant concentration in exhaust gas |
| 03/04/2004 | WO2004018858A2 Internal combustion engine and method for operating an internal combustion engine comprising a fuel regulating device |
| 03/04/2004 | US20040040286 Control of oxygen storage in a catalytic converter |
| 03/04/2004 | US20040040285 Method and device for monitoring a signal |
| 03/04/2004 | DE10239258A1 Verbrennungsmotor und Verfahren zum Betrieb eines Verbrennungsmotors mit einer Kraftstoffregelungsvorrichtung Internal combustion engine and method for operating an internal combustion engine with a fuel control device |
| 03/04/2004 | DE10237382A1 Verfahren zum Betrieb eines magerlauffähigen Verbrennungsmotors mit einem Abgasreinigungssystem Method for operating an internal combustion engine capable of lean running with an emission control system |
| 03/02/2004 | US6698187 Exhaust gas purifying apparatus for an internal-combustion engine |
| 03/02/2004 | US6698186 Air-fuel ratio controller for internal combustion engines |
| 02/26/2004 | WO2004016916A1 Filter control device |
| 02/26/2004 | WO2004016915A1 Exhaust gas cleaner |
| 02/26/2004 | US20040039514 Method and apparatus for controlling a gas-emitting process and related devices |
| 02/26/2004 | DE10335370A1 Control system for internal combustion engine with catalytic converter uses signals from visible light and IR cameras aimed at catalyst and sudden rises in catalyst temperature are monitored |
| 02/26/2004 | DE10334091A1 Engine regulating system used in I.C. engines comprises a nitrogen oxides catalyst unit, a reducing agent feed line, nitrogen oxide sensors, a fuel injection system, and a regulating unit for activating the fuel injection system |
| 02/26/2004 | DE10327299A1 Accessing system for emissions control device ability to store exhaust gas has processor programmed to determine difference between predicted time and actual time to purge the device, and modify parameter used to determine predicted time |
| 02/25/2004 | EP1391592A1 Method for operating a lean burn internal combustion engine having an exhaust gas purification system |
| 02/24/2004 | US6694726 Deterioration diagnosis of exhaust gas purification catalyst for internal combustion engine |
| 02/19/2004 | WO2004015249A1 Filter control method and device |
| 02/19/2004 | WO2003074847B1 Exhaust emission control system, method of calculating pressure loss of filter, and method of manufacturing filter |
| 02/19/2004 | US20040031386 Monitoring soot loading and substrate failure |
| 02/19/2004 | US20040031261 System and method for lean NOx trap control and diagnosis |
| 02/19/2004 | DE10234791A1 Aschebeladungsermittlung für Partikelfilter Ash charge determination for particulate |
| 02/19/2004 | DE10201465B4 Verfahren und Vorrichtung zum Steuern einer Bauteilschutzfunktion Method and apparatus for controlling a component protection function |
| 02/18/2004 | EP1389679A1 Compression ignition internal combustion engine |
| 02/18/2004 | EP1389268A1 Sensor and method for monitoring and controlling catalysts, especially motor vehicle catalysts |
| 02/17/2004 | US6694244 Method for quantifying oxygen stored in a vehicle emission control device |
| 02/17/2004 | US6694243 Method and apparatus for determining oxygen storage capacity time of a catalytic converter |
| 02/17/2004 | US6691507 Closed-loop temperature control for an emission control device |
| 02/12/2004 | WO2004013475A1 Device and method for measuring the temperature of a catalytic converter |
| 02/12/2004 | WO2004013474A1 Method for the applied adaptation of the control of a motor and control of a motor that is obtained according to said method |
| 02/12/2004 | US20040028588 Method for accelerated aging of catalytic converters incorporating injection of volatilized lubricant |
| 02/12/2004 | DE19606652B4 Verfahren der Einstellung des Kraftstoff-Luftverhältnisses für eine Brennkraftmaschine mit nachgeschaltetem Katalysator A method of setting the air-fuel ratio for an internal combustion engine with a downstream catalytic converter |
| 02/12/2004 | DE10335371A1 Catalyzer temperature measurement method, especially for a combustion-engined motor vehicle, uses an optical temperature measurement method, especially thermography to dynamically monitor catalyzer temperature |
| 02/10/2004 | US6688104 Method and device for operating an electrical supercharger |
| 02/05/2004 | DE10326780A1 Abgasreinigungssystem mit Partikelfilter Emission control system with particle filter |
| 02/05/2004 | DE10232120A1 Verfahren und Vorrichtung zum künstlichen Altern eines Kraftfahrzeugkatalysators Method and apparatus for the artificial aging of a motor vehicle catalyst |
| 02/04/2004 | EP1387051A1 Ash amount detection for a particulate filter |
| 02/03/2004 | US6684628 Process for checking the operatability of a nitrogen oxide storage catalyst |
| 01/29/2004 | US20040016229 Method for operating a catalyst |
| 01/29/2004 | DE10326530A1 Abgasreinigungsvorrichtung für eine Brennkraftmaschine An exhaust purification device for an internal combustion engine |
| 01/28/2004 | EP1384866A1 Exhaust gas cleaner for internal combustion engine |
| 01/28/2004 | CN1470749A Engine exhaust microw ave treating device with temperature-measuring apparatus |
| 01/22/2004 | WO2004007922A1 Method and device for artificially ageing a catalytic converter |
| 01/22/2004 | DE10229131B3 Verfahren zum Vorwärmen eines Dieselmotors bei gleichzeitigem Vorheizen eines Oxydationskatalysators und zum Reinigen eines Partikelfilters A process for preheating a diesel engine with a simultaneous pre-heating of an oxidation catalyst and a particle filter for cleaning |
| 01/22/2004 | DE10228659A1 Verfahren zur Überwachung einer Abgasanlage eines Kraftfahrzeuges Method for monitoring an exhaust gas system of a motor vehicle |
| 01/15/2004 | US20040007056 Method for testing catalytic converter durability |
| 01/15/2004 | US20040006973 System and method for controlling an engine |
| 01/15/2004 | US20040006971 Catalyst degradation determining method |
| 01/15/2004 | DE10326743A1 Katalysatoraktivierungs-Steuervorrichtung für emissionssteuernde Katalysatoren in einem Verbrennungsmotor Catalyst activation control apparatus for controlling emission catalysts in an internal combustion engine |
| 01/15/2004 | DE10217728A1 Verfahren und Anordnung zur Überwachung der Arbeitsweise eines im Abgas einer Diesel-Verbrennungskraftmaschine angeordneten Partikelfilters Method and apparatus for monitoring the operation of a disposed in the exhaust gas of a diesel internal combustion engine particulate filter |
| 01/08/2004 | WO2004003355A1 Method for monitoring an exhaust gas system of a motor vehicle |
| 01/08/2004 | US20040003586 System and method for determining set point location for oxidant-based engine air/fuel control strategy |
| 01/08/2004 | DE10326528A1 Abgasreinigungssystem mit einem Partikelfilter Emission control system with a particle filter |
| 01/08/2004 | DE10319313A1 Verfahren zur Steuerung von Wechseln zwischen Betriebsmoden eines Motors zur raschen Erwärmung einer Emissionssteuervorrichtung A method for controlling switching between modes of operation of a motor for rapid heating of an emission control device |
| 01/06/2004 | US6673619 Catalyst deterioration detecting device and catalyst deterioration detecting method |
| 01/02/2004 | EP1373693A1 Method and device for monitoring an exhaust gas treatment system |
| 01/01/2004 | US20040000137 Exhaust gas purifying apparatus for internal combustion engine |
| 01/01/2004 | US20040000135 Catalyst degradation determining apparatus and method |
| 12/30/2003 | US6668631 Method of checking the performance of catalysts in internal-combustion engines |
| 12/30/2003 | US6668545 Catalyst warm-up assessment method for a motor vehicle catalytic converter |
| 12/30/2003 | US6668544 Methods for monitoring the catalytic activity of a catalytic converter |
| 12/24/2003 | WO2003106823A1 Method for regenerating a motor vehicle particle filter and system for controlling regeneration of such a filter |
| 12/24/2003 | WO2003105999A1 Method and device for testing a catalytic converter |
| 12/24/2003 | CN1131929C 稀薄燃烧内燃机的废气中氮氧化物还原的方法 Lean burn internal combustion engine exhaust gas and reducing nitrogen oxides in the method |
| 12/18/2003 | US20030232696 Catalyst activation controlling apparatus for emission control catalyst in internal combustion engine |
| 12/18/2003 | US20030230079 Exhaust gas cleaning system having particulate filter |
| 12/18/2003 | US20030230077 Exhaust gas cleaning system having particulate filter |
| 12/18/2003 | US20030230075 Exhaust gas cleaning device for internal combustion engine |
| 12/17/2003 | EP1370751A1 Method and device for monitoring a signal |
| 12/10/2003 | EP1368559A1 Method of producing a metal honeycomb body with a receiver for a sensor |
| 12/10/2003 | EP1368558A1 Method and device for production of a honeycomb body and honeycomb bodies |
| 12/09/2003 | US6658841 Method for checking a three-way exhaust catalytic converter of an internal-combustion engine |
| 12/04/2003 | WO2003100225A1 Emission control system |