Patents
Sitemap › F01 - Machines or engines in general; Engine plants in general; Steam engines › F01N - Gas-flow silencers or exhaust apparatus for machines or engines in general; Gas-flow silencers or exhaust apparatus for internal-combustion engines › F01N 11 - Monitoring or diagnostic devices for exhaust-gas treatment apparatus
Patents for F01N 11 - Monitoring or diagnostic devices for exhaust-gas treatment apparatus (7,022)
12/2005
12/07/2005EP1248900B1 METHOD AND DEVICE FOR DIAGNOSIS OF AN NOx STORAGE CATALYST
12/07/2005CN1704745A Air purifying system and method for diagnosing malfunction thereof
12/07/2005CN1230608C Exhaust gas purification device
12/01/2005US20050267670 Method for monitoring a particle filter
12/01/2005US20050267669 On-line catalyst monitoring using a kalman filter
12/01/2005US20050262832 Exhaust gas purification device of internal combustion engine
12/01/2005US20050262829 Exhaust gas purification device of internal combustion engine
12/01/2005US20050262827 Electronic engine control device, vehicle equipped with electronic engine control device, and electronic engine control method
12/01/2005DE10318214B4 Verfahren zur Ermittlung des Alterungszustandes eines Speicherkatalysators Method for determining the aging state of a storage catalyst
12/01/2005DE102005019816A1 Abgasreinigungsvorrichtung eines Verbrennungsmotors An exhaust purification device of an internal combustion engine
11/2005
11/29/2005US6968677 Exhaust emission control apparatus for internal combustion engine
11/24/2005WO2005111388A1 Exhaust emission control device of internal combustion engine
11/24/2005US20050260761 Method and apparatus for measuring and controlling selective catalytic reduction (SCR) emission control systems
11/24/2005US20050257775 Fuel supply apparatus and internal combustion engine
11/24/2005US20050257605 Portable vehicle exhaust flow sensor
11/24/2005DE102004021473A1 Heating up an exhaust gas catalyst by multiple fuel injection comprises using an engine control unit to alter injection and/or ignition parameters as a function of engine speed change
11/23/2005EP1598533A2 Device for measuring pressure before and after a particle filter in an exhaust gas line
11/22/2005US6966295 Compression ignition internal combustion engine
11/22/2005US6966178 Internal combustion engine exhaust gas purification system
11/22/2005US6966177 Anomaly judgment apparatus for secondary air supply system
11/17/2005DE102005014872A1 Abgasreinigungsvorrichtung Exhaust gas purification device
11/17/2005DE102004021372A1 Verfahren zum Dosieren eines Reagenzmittels zur Reinigung des Abgases von Brennkraftmaschinen und Vorrichtung zur Durchführung des Verfahrens Method for dosing a reagent for the purification of the exhaust gas of internal combustion engines and apparatus for carrying out the method
11/17/2005DE102004021370A1 Verfahren und Vorrichtung zum Betreiben eines Hybridfahrzeugs Method and apparatus for operating a hybrid vehicle
11/15/2005US6964694 Diesel particulate filter monitoring using acoustic sensing
11/15/2005US6964194 Device and method for determining the state of ageing of an exhaust-gas catalytic converter
11/15/2005US6964160 System and method for controlling catalyst storage capacity
11/10/2005WO2005106220A1 Liquid feed device for exhaust gas aftertreatment device
11/10/2005WO2005105501A1 Method and device for operating a hybrid vehicle
11/10/2005US20050251318 Method for metering a reagent for the emission control of internal combustion engines and device for executing the method
11/10/2005DE102004017883A1 Engine exhaust system comprises means for preventing condensed liquid from coming into contact with sensors in a catalyst housing, either in the form of storage areas or contact elements that heat up quickly
11/09/2005EP0786656B1 Durability test method for exhaust gas purification device
11/08/2005US6962046 Exhaust gas cleaning system having particulate filter
11/03/2005US20050241301 Exhaust cleaning device of internal combustion engine
11/02/2005EP1591638A1 Method to determine the loading of a trap for polluting substances
11/02/2005EP1591635A1 Regeneration control of diesel particulate filter
11/02/2005EP1590566A2 Internal combustion engine transient fuel control
11/02/2005EP1337745B1 Method and device for controlling an exhaust gas aftertreatment system
11/01/2005US6961653 Diagnostic apparatus for an exhaust gas sensor
11/01/2005US6959540 Exhaust gas purification device of internal combustion engine
10/2005
10/27/2005DE102004008172A1 Determining the operating efficacy of an automotive catalytic converter by measurement of oxygen take-up in axial sections
10/25/2005US6957527 Device and method for estimating catalytic temperature
10/20/2005US20050229588 System and method for controlling catalyst storage capacity
10/18/2005US6955155 Method for controlling transitions between operating modes of an engine for rapid heating of an emission control device
10/18/2005US6955041 Exhaust gas purifying apparatus for internal combustion engine
10/13/2005US20050223701 Control method for an exhaust gas purification system and an exhaust gas purification system
10/13/2005US20050223699 Bypass controlled regeneration of NOx adsorbers
10/13/2005US20050223698 Exhaust gas cleaning device
10/13/2005DE102005012393A1 System zur Diagnose der Qualität einer Reagenzlösung System for diagnosing the quality of a reagent
10/13/2005DE102005011642A1 Abgasreinigungssystem für einen Verbrennungsmotor An exhaust gas purification system for an internal combustion engine
10/13/2005DE102005005533A1 Antriebseinrichtung für ein Sekundärluft-Einblassystem Drive device for a secondary air injection
10/13/2005DE102004015131A1 Verfahren zum Betreiben einer Brennkraftmaschine und Vorrichtung zur Durchführung des Verfahrens A method of operating an internal combustion engine and device for carrying out the method
10/13/2005DE102004015129A1 Management of an internal combustion engine comprising two banks of cylinders comprises controlled regeneration of downstream nitrogen oxide storage catalysts
10/12/2005EP1584808A1 Control method for an exhaust gas purification system and an exhaust gas purification system
10/12/2005CN1680692A Control method for an exhaust gas purification system and an exhaust gas purification system
10/06/2005WO2005093233A1 Device for determination of the state of a soot particle filter
10/06/2005US20050217267 Air pump having valve controlled by self-pressure
10/06/2005US20050217256 Exhaust gas purification system of internal combustion engine
10/06/2005US20050217252 Control method for an exhaust gas purification system and an exhaust gas purification system
10/06/2005US20050217249 Exhaust gas purification device of internal combustion engine
10/06/2005US20050217248 Exhaust gas purification device of internal combustion engine
10/06/2005US20050217244 Catalyst degradation determining method
10/06/2005US20050217243 Catalyst degradation determining method
10/06/2005US20050217242 Catalyst degradation determining method
10/06/2005DE10326743B4 Katalysatoraktivierungs-Steuervorrichtung für emissionssteuernde Katalysatoren in einem Verbrennungsmotor Catalyst activation control apparatus for controlling emission catalysts in an internal combustion engine
10/06/2005DE102004044706A1 Exhaust gas aftertreatment system for e.g. Otto engine, has nonthermal plasma discharge device to convert nitrogen monoxide into nitrogen dioxide, and storage device and lean nitrogen oxides trap that are arranged in downstream of device
10/06/2005DE102004019864B4 Vorrichtung zur Bestimmung von Anomalien in einem Sekundärluftsystem Apparatus for determining anomalies in a secondary air system
10/06/2005DE102004013557A1 Combustion engine exhaust catalyser functional test unit has heat exchange in input exhaust flow allowing temperature control over entire operating range
10/06/2005DE102004013435A1 Verfahren und Vorrichtung zur Dichtheitsprüfung einer Abgasanlage Method and apparatus for testing the tightness of an exhaust system
10/05/2005EP1582720A1 Control method for an exhaust gas purification system and an exhaust gas purification system
10/05/2005EP1582707A1 Inspection system of particulate filter regeneration system
10/05/2005CN1678822A Method and device for artificially ageing a catalytic converter
10/05/2005CN1676907A Method for promoting oxygen sensor rapidly reaching operating temperature
10/05/2005CN1676894A Air pump having valve controlled by self-pressure
10/05/2005CN1676893A Exhaust gas cleaning device
10/05/2005CN1676890A Control method for an exhaust gas purification system and an exhaust gas purification system
10/04/2005US6951098 Method and system for controlling temperature of an internal combustion engine exhaust gas aftertreatment device
09/2005
09/29/2005WO2005090759A1 Exhaust filter regeneration regime method and apparatus
09/29/2005US20050210868 Method for sensing exhaust gas for OBD
09/29/2005US20050210867 Method for operating an internal combustion engine and device for implementing the method
09/29/2005US20050210866 Drive device for a secondary air injection system
09/28/2005EP1580413A1 Filter monitoring device and method
09/28/2005EP1580412A1 Method for sensing exhaust gas for obd
09/22/2005US20050207936 comprising a reagent solution source for supplying the solution to emissions catalyst of internal combustion engines; concentration and/or contamination level monitors; fault indicator; pollution control apparatus
09/22/2005US20050204804 Method and device for artificially ageing a catalytic converter
09/22/2005US20050204730 Engine with a charging system
09/22/2005US20050204729 Exhaust gas purification device of internal combustion engine
09/22/2005US20050204728 System and method for determining set point location for oxidant-based engine air/fuel control strategy
09/22/2005US20050204725 Diagnosing an aftertreatment system with a nonthermal plasma discharge device coupled to a lean burn engine
09/22/2005DE102005011419A1 Abgasreinigungssystem für eine Brennkraftmaschine An exhaust gas purification system for an internal combustion engine
09/22/2005DE102004009615A1 Verfahren zur Ermittlung der aktuellen Sauerstoffbeladung eines 3-Wege-Katalysators einer lambdageregelten Brennkraftmaschine A method for determining the current oxygen concentration of a 3-way catalyst of a lambda-controlled internal combustion engine
09/22/2005DE102004004277A1 Verfahren zur Beurteilung der Güte eines einer Brennkraftmaschine eines Fahrzeuges, insbesondere eines Kraftfahrzeuges, nachgeschalteten Abgaskatalysators A method for judging the quality of an internal combustion engine of a vehicle, especially a motor vehicle, downstream of the catalytic converter
09/21/2005EP1577657A2 Method and device for testing the tightness of an exhaust installation
09/21/2005EP1576270A1 Method for testing a catalytic converter and corresponding testing device
09/21/2005EP0975417B1 REDUCING NOx EMISSIONS FROM AN ENGINE BY TEMPERATURE-CONTROLLED UREA INJECTION
09/20/2005US6947817 Non-intrusive diagnostic tool for sensing oxygen sensor operation
09/20/2005US6945035 Auxiliary air supplying system, and control methods and failure diagnostic methods thereof
09/15/2005US20050198945 Exhaust gas purification system of internal combustion engine
09/15/2005US20050198944 Exhaust gas purification system of internal combustion engine
09/15/2005US20050198943 Method for metering ammonia into the exhaust-gas region of an internal combustion engine and device for implementing the method
09/15/2005DE19609922B4 Sekundärluftsystemdiagnoseverfahren Secondary air system diagnostics
1 ... 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 ... 71