| Patents for F01N 11 - Monitoring or diagnostic devices for exhaust-gas treatment apparatus (7,022) |
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| 04/12/2005 | US6877366 Test method for an exhaust gas catalytic converter and a corresponding testing device |
| 04/12/2005 | US6877354 Method for balancing ozone sensors |
| 04/12/2005 | US6877311 Catalyst degradation determining apparatus and method |
| 04/07/2005 | US20050072142 Exhaust emission control system |
| 04/07/2005 | DE10341090A1 Kontrolleinrichtung und Kontrollverfahren für einen Antrieb eines Kraftfahrzeugs Control device and control method for driving a motor vehicle |
| 04/05/2005 | US6874313 Automotive catalyst oxygen storage capacity diagnostic |
| 04/05/2005 | US6874312 Oxidant storage capacity estimation |
| 03/31/2005 | WO2005028827A1 Exhaust gas clarification apparatus for engine |
| 03/31/2005 | WO2005028826A1 Exhaust gas purification device of engine |
| 03/31/2005 | DE10260294B4 Verfahren zum Erkennen von Verbrennungsausetzem bei einer Brennkraftmaschine A method of detecting Verbrennungsausetzem in an internal combustion engine |
| 03/30/2005 | EP1519022A1 Method and device for determining the internal temperature of a catalyst in a vehicle having an internal combustion engine |
| 03/29/2005 | US6871489 Thermal management of exhaust systems |
| 03/24/2005 | WO2005026709A1 Urea concentration identification device for urea solution |
| 03/24/2005 | WO2005026507A1 Exhaust gas purification device for internal combustion engines and method for operating the same |
| 03/24/2005 | US20050060986 Evaluating method for no eliminating catalyst, an evaluating apparatus therefor, and an efficiency controlling method therefor |
| 03/24/2005 | DE10341996A1 Abgasnachbehandlungseinrichtung für Dieselmotoren von Fahrzeugen, vorzugsweise von PKWs Exhaust treatment device for diesel engine vehicles, primarily of cars |
| 03/24/2005 | CA2538779A1 Urea concentration identification device for urea solution |
| 03/23/2005 | EP1517011A2 Exhaust gas apparatus with particle filter, heater arrangement and method of regeneration |
| 03/23/2005 | EP1516108A1 Method for monitoring an exhaust gas system of a motor vehicle |
| 03/22/2005 | US6868827 Method for controlling transitions between operating modes of an engine for rapid heating of an emission control device |
| 03/22/2005 | US6868666 Method and apparatus for monitoring catalyst efficiency and outlet oxygen sensor performance |
| 03/17/2005 | WO2005024210A1 Monitoring device and monitoring method for the engine system of a motor vehicle |
| 03/17/2005 | WO2005024198A1 Method for determining a temperature downstream the entry of a catalytic converter for a turbocharged engine |
| 03/17/2005 | WO2005024196A1 Exhaust gas aftertreatment device for diesel engines of vehicles, preferably passenger cars |
| 03/17/2005 | DE4336091B4 Vorrichtung zur Überwachung eines elektrischen Heizelementes in einem Katalysator eines Kraftfahrzeugs und Verfahren, bei dem die Vorrichtung eingesetzt wird A device for monitoring an electrical heating element in a catalytic converter of a motor vehicle and method in which the device is used |
| 03/17/2005 | DE19646008B4 Abnormalitätserfassungsvorrichtung für ein Luft-Kraftstoffverhältnis-Steuerungssystem Abnormality of an air-fuel ratio control system |
| 03/17/2005 | DE102004039972A1 Method for determining reactions taking place in exhaust gas stream of internal combustion engine with radiation detection at several points in region between engine |
| 03/17/2005 | DE102004038140A1 Katalytischer Reaktionswärmeerzeuger Catalytic reaction heat generator |
| 03/16/2005 | EP1515018A1 Pressure detection mechanism for exhaust emission control device of internal combustion engine |
| 03/16/2005 | EP1515017A2 Catalyst control apparatus of internal combustion engine |
| 03/16/2005 | EP1514015A1 Method for regenerating a motor vehicle particle filter and system for controlling regeneration of such a filter |
| 03/16/2005 | EP1272746B1 Method for diagnosing an exhaust gas cleaning system of a lambda-controlled internal combustion engine |
| 03/15/2005 | US6866517 Contact slidable structure with a high durability |
| 03/10/2005 | US20050050879 Computer readable storage medium with instructions for monitoring catalytic device |
| 03/08/2005 | US6862881 Method and apparatus for controlling regeneration of a particulate filter |
| 03/08/2005 | US6862880 Method for operating a catalyst |
| 03/03/2005 | WO2005020306A1 Method for forming impurity-introduced layer, method for cleaning object to be processed, apparatus for introducing impurity and method for producing device |
| 03/03/2005 | DE10330367A1 Verfahren und Vorrichtung zur Entschwefelung eines Katalysators Method and device for desulfurization of a catalyst |
| 03/02/2005 | EP1510672A1 An oxygen sensor arrangement |
| 03/01/2005 | US6860100 Degradation detection method for an engine having a NOx sensor |
| 02/24/2005 | WO2005017789A1 Method for obtaining greenhouse gas emission credits |
| 02/24/2005 | US20050042567 Catalytic reaction heater |
| 02/24/2005 | US20050039445 Method for control secondary air amounts |
| 02/24/2005 | DE10333337A1 Continual process and assembly to monitor the performance of an automotive catalytic converter by use of oxygen storage capacity and sensor |
| 02/24/2005 | DE10332629A1 Monitoring method for the function of a wide-band oxygen sensor to control a lambda value in an internal combustion engine's gas mixture detects an ionization signal's maximum in a calibrating cycle |
| 02/24/2005 | DE10331334A1 Process to determine the oxygen holding characteristics of an automotive catalytic converter |
| 02/24/2005 | DE10207293B4 Verfahren zur Steuerung einer Abgasreinigungsanlage und entsprechende Abgasreinigungsanlage Method for controlling an exhaust gas cleaning system and corresponding emission control system |
| 02/23/2005 | EP1159519B1 Method for operating a three-way catalyst of an internal combustion engine |
| 02/22/2005 | US6857262 Catalytic converter function detection |
| 02/17/2005 | WO2004097193A3 Method for operating an internal combustion engine, particularly of a motor vehicle |
| 02/17/2005 | US20050034450 reduction catalyst for NOx in exhaust gas by ammonia with excess oxygen; aqueous urea solution fed through flow control valve upstream of catalyst; urea stored in cooled catalyst, deaminated in heated catalyst; increased purification rates |
| 02/17/2005 | DE10332057A1 Verfahren zur Überprüfung einer Abgasreinigungsanlage Method for checking an emission control system |
| 02/17/2005 | DE10331331A1 Verfahren zum Betreiben einer Brennkraftmaschine A method of operating an internal combustion engine |
| 02/17/2005 | DE102004033325A1 Diagnosevorrichtung für einen Abgas-Sensor Diagnosis apparatus for an exhaust sensor |
| 02/10/2005 | DE10303911B4 Verfahren zur Überwachung des Anspringverhaltens eines Abgaskatalysatorsystems Method for monitoring the light-off performance of an exhaust gas catalyst system |
| 02/09/2005 | EP1505271A1 Reducing agent supply error detecting method for an exhaust gas control catalyst and corresponding detecting apparatus |
| 02/09/2005 | CN1576557A Diagnostic apparatus for an exhaust gas sensor |
| 02/03/2005 | US20050022520 Exhaust gas cleaning system |
| 02/03/2005 | US20050022508 Method for checking an exhaust gas cleaning plant |
| 02/03/2005 | US20050022507 Method for control of a diagnosis of a catalyst in the exhaust of an internal combustion engine |
| 02/03/2005 | DE10331333A1 Verfahren zum Betreiben einer Brennkraftmaschine A method of operating an internal combustion engine |
| 02/02/2005 | EP1502016A1 Device and method for determining a malfunction in a filter |
| 02/02/2005 | EP1502015A1 Method and electronic control unit for diagnosing a catalytic converter |
| 02/02/2005 | CN1573042A Waste gas purifying apparatus and method for internal combustion engine |
| 02/01/2005 | US6850165 Detectors for monitoring degradation of catalystic exhaust sytems in internal combustion engines |
| 02/01/2005 | US6848417 Lean idle speed control using fuel and ignition timing |
| 01/27/2005 | US20050016266 Test method for an exhaust gas catalytic converter and a corresponding testing device |
| 01/27/2005 | US20050016265 Method and arrangement for monitoring the operability of a secondary air system |
| 01/27/2005 | US20050016160 Diagnostic equipment for an exhaust gas cleaning apparatus |
| 01/27/2005 | US20050016137 Filter control device |
| 01/27/2005 | DE10326932A1 Process to monitor the condition of a nitric oxide sensor in an automotive exhaust system by comparison of a cold value with a known threshold value |
| 01/26/2005 | EP1500800A1 Emission control system and method of internal combustion engine |
| 01/25/2005 | US6845760 Internal combustion engine transient fuel control |
| 01/19/2005 | CN1568401A Filter control device |
| 01/19/2005 | CN1568400A Exhaust gas cleaner |
| 01/19/2005 | CN1568399A Filter control method and device |
| 01/18/2005 | US6843240 Method for monitoring the functioning of a NOx sensor arranged in an exhaust gas channel of an internal combustion engine |
| 01/13/2005 | US20050008548 Exhaust gas purification device for engine |
| 01/13/2005 | US20050005690 Diagnostic apparatus for an exhaust gas sensor |
| 01/13/2005 | DE10328117A1 Verfahren zum Betreiben einer Brennkraftmaschine A method of operating an internal combustion engine |
| 01/13/2005 | DE10328014A1 Drive system for vehicle comprises calculating unit spatially separated from control device and connected to exhaust gas sensors |
| 01/13/2005 | DE10325292A1 Verfahren und Apparatur zur Bestimmung der Aktivität und des Alterungsverhaltens eines Katalysators Method and apparatus for determining the activity and the aging behavior of a catalyst |
| 01/12/2005 | EP1496225A2 Method for controlling an internal combustion engine |
| 01/12/2005 | EP1496212A1 Exhaust gas purification device for engine |
| 01/12/2005 | EP1495796A1 Reduction of nitrogen dioxide emissions in a continuous regenerative filter for soot particles |
| 01/12/2005 | EP1494784A1 APPARATUS AND METHOD FOR FILTERING PARTICULATE AND REDUCING NOx EMISSIONS |
| 01/12/2005 | EP1373693B1 Method and device for monitoring an exhaust gas treatment system |
| 01/11/2005 | US6840036 Control of oxygen storage in a catalytic converter |
| 01/11/2005 | US6840035 Exhaust emission control system for multiple cylinder internal combustion engine |
| 01/05/2005 | EP1493483A1 Exhaust purification device of internal combustion engine |
| 01/05/2005 | EP1492945A1 Method and apparatus for controlling a gas-emitting process and related devices |
| 01/05/2005 | DE10124550B4 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 |
| 01/04/2005 | US6839637 Exhaust emission control system for internal combustion engine |
| 12/30/2004 | US20040261397 Nox control for an internal combustion engine |
| 12/30/2004 | US20040261374 Apparatus and method for filtering particulate and reducing nox emissions |
| 12/29/2004 | EP1491749A2 Method for operating an internal combustion engine |
| 12/29/2004 | EP1491738A1 Method of monitoring the operational state of a particulate filter based on the comparison between an estimated value and a calibrated value |
| 12/29/2004 | EP1491737A1 METHOD OF DECIDING ON CATALYST DETERIORATION AND MEANS FOR DECIDING ON CATALYST DETERIORATION IN NOx PURGING SYSTEM |
| 12/29/2004 | EP1491736A1 NOx PURGING SYSTEM AND METHOD OF REACTIVATING DETERIORATED CATALYST THEREIN |
| 12/29/2004 | EP1491735A1 Exhaust gas decontamination system and method of controlling the same |