| Patents for F01N 11 - Monitoring or diagnostic devices for exhaust-gas treatment apparatus (7,022) |
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| 09/15/2005 | DE102005008529A1 Abgasreinigungssystem für eine Brennkraftmaschine An exhaust gas purification system for an internal combustion engine |
| 09/15/2005 | DE102004007591A1 Testing conversion efficiency of motor vehicle catalytic converter, by comparing temperature measurements at given point in catalyst with those in reference catalyst |
| 09/14/2005 | EP1574682A1 System for diagnosing deterioration of catalyst |
| 09/13/2005 | US6941750 Method of determining the amount of particulate accumulated in a particulate filter |
| 09/13/2005 | US6941744 Exhaust emission control system and method |
| 09/09/2005 | WO2005083250A1 Method for determining the actual oxygen load of a 3-path catalyst of a lambda-controlled internal combustion engine |
| 09/08/2005 | US20050193988 System for controlling valve timing of an engine with cylinder deactivation |
| 09/08/2005 | US20050193799 Air purifying system and method for diagnosing malfunction thereof |
| 09/08/2005 | DE102004007523A1 Verfahren zur Bestimmung des Umschaltzeitpunktes von der Speicherphase zur Regenerationsphase eines Stickoxid-Speicherkatalysators und zur Diagnose seines Speicherverhaltens A method for determining the changeover from the storage phase to the regeneration phase of a nitrogen oxide storage catalyst and for the diagnosis of its memory behavior |
| 09/01/2005 | US20050191752 Diagnostic process for an exhaust gas catalytic converter of a heat engine and vehicle using this process |
| 09/01/2005 | US20050188686 Exhaust gas purification system of internal combustion engine |
| 09/01/2005 | US20050188681 Deterioration diagnosis of diesel particulate filter |
| 09/01/2005 | US20050188679 Deterioration diagnosing device and diagnosing method for exhaust gas purification catalyst |
| 09/01/2005 | DE19708225B4 Funktionsdiagnosesystem für Abgasreinigungsvorrichtung von Verbrennungsmotoren Function diagnostic system for exhaust gas purification device of internal combustion engines |
| 09/01/2005 | DE102005006380A1 Gassensor ausgestattet mit einem Gaseinlass entworfen um eine gewünschte Gasströmung zu erzeugen A gas sensor equipped with a gas inlet designed to provide a desired gas flow to produce |
| 09/01/2005 | DE102005005055A1 Störzustands-Detektoreinrichtung für eine Abgas-Reinigungsanlage einer Brennkraftmaschine Abnormality detecting means for exhaust gas purification system of an internal combustion engine |
| 09/01/2005 | DE102004007041A1 Verfahren zum Betreiben eines Partikelfilters A method of operating a particle filter |
| 09/01/2005 | DE102004007040A1 Vorrichtung und Verfahren zur Ermittlung des Beladungszustands eines Parikelfilters Apparatus and method for determining the loading state of a Parikelfilters |
| 09/01/2005 | DE102004007039A1 Vorrichtung und Verfahren zur Ermittlung des Beladungszustands eines Partikelfilters Apparatus and method for determining the loading of a particulate filter |
| 09/01/2005 | DE102004007038A1 Method for monitoring the state of a carbon filter especially for a diesel engine has parts of electrodes near to or on the inner walls of the filter to monitor changes in resistance or impedance |
| 09/01/2005 | DE102004006992A1 Diagnoseverfahren zum Bestimmen eines Zustandes eines Katalysatorsystems Diagnostic method for determining a state of a catalyst system |
| 08/31/2005 | EP1568863A1 Method to diagnose a catalyst for exhaust gases of an internal engine and a vehicle using said method |
| 08/31/2005 | EP1502015B1 Method and electronic control unit for diagnosing a catalytic converter |
| 08/30/2005 | US6935989 Catalyst activation controlling apparatus for emission control catalyst in internal combustion engine |
| 08/30/2005 | US6935306 Lean idle speed control using fuel and ignition timing |
| 08/30/2005 | US6935104 Engine control system |
| 08/30/2005 | US6935102 gases pass through first and second catalysts, carbon monoxide concentration in first catalyst is sufficiently high to reduce nitrogen oxide to nitrogen, oxygen is introduced to oxidize carbon monoxide and hydrocarbons to carbon dioxide, water |
| 08/30/2005 | US6935099 Deteriorated state evaluation device of exhaust emission control equipment |
| 08/25/2005 | WO2005078254A1 Method for determining the instant at which a nitrogen oxide storage catalyst is switched from the storage phase to the regeneration phase and for diagnosing the storage properties of this catalyst |
| 08/25/2005 | WO2005078253A1 Device and method for determining the load state of a particle filter |
| 08/25/2005 | WO2005078247A1 Exhaust gas purifying device and exhaust gas purifying method in internal combustion engine |
| 08/25/2005 | DE102004005321A1 Verfahren zur Regeneration eines Partikelfilters und Abgasreinigungssystem mit Partikelfilter Process for regenerating a particulate filter and exhaust gas purification system with particle filter |
| 08/24/2005 | EP1566623A1 Device for measuring the quantity of solid particles in a gas medium |
| 08/23/2005 | US6933151 Analyzing efficiency of catalytic exhaust systems using pollution control apparatus comprising gas detectors and nitrogen oxides adsorber materials; desulfation and adjusting air to fuel ratios, for regeneation of catalyst |
| 08/23/2005 | US6931838 Engine exhaust gas leak diagnosis |
| 08/18/2005 | US20050178612 Electrically controlled in-muffler exhaust valve for use during cylinder deactivation |
| 08/18/2005 | US20050178272 Abnormality detection apparatus for exhaust gas purification apparatus for internal combustion engine |
| 08/18/2005 | US20050178207 Method for recognizing the loading of a particle filter |
| 08/18/2005 | US20050178187 Gas sensor equipped with gas inlet designed to create desired flow of gas |
| 08/17/2005 | EP1564387A1 Method of operating a diesel particle filter |
| 08/17/2005 | EP1564386A1 Apparatus and method for determining the loading status of a particulate filter |
| 08/17/2005 | EP1564384A1 Electrically controlled in-muffler exhaust valve for use during cylinder deactivation |
| 08/17/2005 | EP1563170A1 Method for recognition of the loading of a particle filter |
| 08/16/2005 | US6928809 Exhaust gas purification system and method |
| 08/16/2005 | US6928805 Hydrocarbon adsorbent state monitoring device |
| 08/11/2005 | US20050173523 Emission amount report device, system for charge for exhaust gas from vehicle, management unit and inspection device making up the system |
| 08/11/2005 | US20050173265 detectors for measuring oxygen concentrations at different points of an exhaust system of automobiles, comprising electrodes that upstream and downstream from catalytic converters connected to circuits that measure fuel/air ratios |
| 08/11/2005 | DE10140048B4 Verfahren und Vorrichtung zur Bestimmung der Belastung eines Dieselpartikelfilters Method and apparatus for determining the load of a diesel particulate filter |
| 08/10/2005 | EP1561922A1 Regeneration process of a particulate filter and exhaust gas purifying system with a particulate filter |
| 08/10/2005 | EP1561921A1 Device for mounting a probe to the exhaust manifold |
| 08/10/2005 | EP1561019A1 Method for testing at least three sensors, which detect a measurable variable for an internal combustion engine |
| 08/09/2005 | US6925796 Diagnosis of a urea SCR catalytic system |
| 08/04/2005 | DE102005001459A1 Abgasreinigungssystem für eine Brennkraftmaschine An exhaust gas purification system for an internal combustion engine |
| 08/04/2005 | DE102004001421A1 Filtereinrichtung, insbesondere für eine Abgasanlage einer Brennkraftmaschine Filter device, in particular for an exhaust system of an internal combustion engine |
| 08/03/2005 | EP1559894A1 Method of judgement of the quality of the exhaust catalyst in the exhaust path of an internal combustion engine of a vehicle |
| 08/03/2005 | EP1204817B1 Method for monitoring a secondary air system associated with the exhaust system of a vehicle |
| 08/02/2005 | US6923902 Methods and apparatus for measuring NOx gas concentration, for detecting exhaust gas concentration and for calibrating and controlling gas sensor |
| 08/02/2005 | US6922985 Exhaust catalyst monitoring arrangement |
| 07/28/2005 | DE4426020B4 Verfahren und Vorrichtung zur Überwachung der Funktionsfähigkeit eines Katalysators im Abgaskanal einer Brennkraftmaschine Method and apparatus for monitoring the operability of a catalyst in the exhaust passage of an internal combustion engine |
| 07/28/2005 | DE10360775A1 Sensorvorrichtung für verbrennungsmotorische Abgase und Betriebs- und Auswerteverfahren Sensor device for internal combustion engine exhaust gases and operating and evaluation |
| 07/28/2005 | DE102004001331A1 Introducing ammonia into engine exhaust system containing selective catalytic reduction catalyst reduce nitrogen oxide emissions comprises introducing ammonia after switching off the engine |
| 07/28/2005 | DE102004001330A1 Verfahren zur Diagnose eines Sekundärluftsystems einer Brennkraftmaschine A method for diagnosing a secondary-air system of an internal combustion engine |
| 07/28/2005 | DE10005623B4 Gerät und Verfahren zum Ermitteln der Menge der unverbrannten Kraftstoffbestandteile, die an einem Adsorptionsmittel einer Brennkraftmaschine adsorbiert sind Apparatus and method for determining the amount of unburned fuel components which are adsorbed on an adsorbent of an internal combustion engine |
| 07/27/2005 | EP1244871B1 Device and method for controlling a rate of recirculated exhaust gas of an exhaust gas recirculation device for combustion engines during lean operation |
| 07/27/2005 | CN1646799A Method and apparatus for controlling a gas-emitting process and related devices |
| 07/21/2005 | WO2005066472A1 Apparatus for evaluating deterioration condition of catalyst of internal combustion engine |
| 07/21/2005 | US20050155345 Device and method for purifying exhaust gas from industrial vehicle engine |
| 07/21/2005 | DE10361287A1 Nitrogen oxide storage system for motor vehicle with NOx-storage catalytic converter |
| 07/21/2005 | DE10360891A1 Verfahren zum Betreiben eines Dosierventils und Vorrichtung zur Durchführung des Verfahrens Method for operating a metering valve and a device for carrying out the method |
| 07/20/2005 | EP1555401A1 Exhaust purifying apparatus for internal combustion engine |
| 07/20/2005 | EP1554475A1 Method and system for verifying the functionality of a particle detector |
| 07/20/2005 | CN1211569C Method for diagnosing the level of deterioration of an Nox storage catalyst in the exhaust channel of an internal combustion engine |
| 07/14/2005 | WO2005064143A1 Method for real time determination of the mass of particles in a particle filter of a motor vehicle |
| 07/14/2005 | US20050154523 Exhaust gas purification system of internal combustion engine |
| 07/14/2005 | US20050153828 exhaust gas purifying system having a direct reduction type NOx catalyst for purging NOx in an exhaust gas, and a diesel particulate filter with a catalyst for purging particlulate matter in the exhaust gas arranged in an exhaust gas passage |
| 07/14/2005 | US20050150220 Method and apparatus for monitoring engine performance as a function of soot accumulation in a filter |
| 07/14/2005 | US20050150213 Pressure detection mechanism for exhaust emission control device of internal combustion engine |
| 07/14/2005 | US20050150209 Method for diagnosing a secondary-air system of an internal combustion engine |
| 07/14/2005 | DE10360123A1 Verfahren zum Betreiben eines Stickoxid-Speicherkatalysators Method for operating a nitrogen oxide storage catalyst |
| 07/14/2005 | DE10358495A1 Catalyst status detection method e.g. for NOx storage catalyst, involves having interior of housing of catalyst having gas in it and having quality measure of cavity for gas with resonant frequency decreased as measure of increase of NOx |
| 07/14/2005 | DE10358195A1 Verfahren zur Überwachung eines in einem Abgasbereich einer Brennkraftmaschine angeordneten Bauteils Method for monitoring a arranged in an exhaust region of an internal combustion engine component |
| 07/14/2005 | DE10332629B4 Verfahren zur Überwachung einer Breitbandsonde Method for monitoring a broadband probe |
| 07/14/2005 | DE102004058398A1 Zusatzluftzufuhrsystem und Abnormalitätsdiagnoseverfahren des Zusatzluftzufuhrsystems Secondary air supply system and Abnormalitätsdiagnoseverfahren of the secondary air supply system |
| 07/13/2005 | EP1553272A1 Method and device for controlling the temperature of a NOx trap in an exhaust line of a motor vehicle engine |
| 07/13/2005 | EP1553268A1 Filter device, especially for an exhaust system of an internal combustion engine |
| 07/13/2005 | CN1637264A Exhaust gas recirculation system for internal combustion engine |
| 07/12/2005 | US6915628 Catalyst degradation determining method |
| 07/07/2005 | WO2005061866A1 Method for operating a dosing valve and device for carrying out said method |
| 07/07/2005 | US20050145024 Device and method for determining the state of ageing of an exhaust-gas catalytic converter |
| 07/07/2005 | US20050144934 Nox purging system and method of reactivating deteriorated catalyst therein |
| 07/07/2005 | US20050144933 Method of deciding on catalyst deterioration and means for deciding on catalyst deterioration in Nox purging system |
| 07/07/2005 | DE10357951A1 Wabenkörper mit mindestens einem platzsparenden Messfühler, sowie entsprechende Lambdasonde Honeycomb body with at least one space-saving sensor and corresponding lambda probe |
| 07/07/2005 | DE10357402A1 Operating a multicylinder internal combustion engine with an ammonia-generating catalyst comprises throttling the air supply to the first cylinder and adding a reducing agent to its exhaust gas |
| 07/07/2005 | DE10356166A1 Testing the light-off behavior of a catalyst in an internal combustion engine comprises comparing the temperatures of a test catalyst and a new catalyst |
| 07/07/2005 | DE10338181A1 Verfahren und Vorrichtung zur Temperaturbeeinflussung eines Katalysatorsystems Method and device for influencing the temperature of a catalyst system |
| 07/07/2005 | DE102004059655A1 Kraftstoffeinspritzsystem mit geringer Wärmeerzeugung Fuel injection system with a low heat generation |
| 07/07/2005 | DE102004057502A1 Verfahren und Vorrichtung zur Steuerung der Regeneration eines Partikelfilters Method and apparatus for controlling the regeneration of a particle filter |
| 07/07/2005 | DE102004038482B3 Regulation method for air/fuel ratio for automobile engine with exhaust catalyzer providing limitation of maximum filling or discharge rate for oxygen reservoir within catalyzer |
| 07/05/2005 | US6915203 Apparatus and method for diagnosis of vehicular system |
| 07/05/2005 | US6912845 Internal combustion engine, control apparatus for internal combustion engine, and control method for internal combustion engine |