| Patents for F02D 21 - Controlling engines characterised by their being supplied with non-airborne oxygen or other non-fuel gas (5,404) |
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| 07/15/2009 | EP2078150A1 System and method for monitoring the operation of an internal combustion engine with compensation for errors in the intake airflow measurement |
| 07/15/2009 | CN100513757C 可变压缩比内燃机 Variable compression ratio internal combustion engine |
| 07/09/2009 | WO2009085643A2 Method and apparatus for monitoring recirculated exhaust gas in an internal combustion engine |
| 07/02/2009 | WO2009080466A1 Method for diagnosing additional valves |
| 07/01/2009 | CN100507250C Engine control system |
| 06/25/2009 | DE102008055543A1 Verfahren zum Einstellen des Betriebes einer Turbomaschine, die ein zurückgeführtes Abgas empfängt A method of adjusting the operation of a turbo machine, which receives a recirculated exhaust gas |
| 06/25/2009 | DE102008055521A1 Verfahren zum Regeln einer Strömungsrate eines zurückgeführten Abgases A method for controlling a flow rate of recirculated exhaust gas |
| 06/25/2009 | DE102008008618A1 Roadmap für variable Brennkraftmaschinen-Abgabeemissionssteuerung Roadmap for variable engine delivery emission control |
| 06/25/2009 | DE102007062097A1 Diagnoseverfahren für Zusatzventile Diagnostic procedures for additional valves |
| 06/24/2009 | EP1792070B1 A combustion chamber deactivation system |
| 06/24/2009 | CN100504055C Power output apparatus for hybrid vehicle |
| 06/18/2009 | WO2009031005A3 Hydrogen engine of working gas circulation type |
| 06/18/2009 | DE102008051711A1 Internal combustion engine i.e. diesel engine, operating method for motor vehicle, involves detecting measured variable, and determining difference between upstream pressure and downstream pressure of cooling device and flow rate |
| 06/18/2009 | DE102008037604A1 Verfahren und System zum Steuern eines Abgasrückführungssystems A method and system for controlling an exhaust gas recirculation system |
| 06/18/2009 | DE102007021414B4 Verfahren zur Einstellung der Füllung einer Verbrennungskraftmaschine Method for setting the filling of an internal combustion engine |
| 06/17/2009 | EP2071161A1 Four-cycle internal combustion engine |
| 06/17/2009 | EP2071160A2 Control method to temporarily increase the temperature of exhaust gas |
| 06/10/2009 | EP2067972A2 Combustion control device for internal combustion engine |
| 06/04/2009 | DE102007049456A1 Rain water operated WilERK-engine i.e. super power multi-fuel eco-piston turbine, has dual piston tandem eccentric drive, exhaust gas pressure valve provided at outlet, and injection valve subjected with pressure in hot content of chamber |
| 06/04/2009 | DE10191819B4 Motor mit Kompressionszündung von Vorgemisch und Betriebsverfahren A compression ignition engine operating method of premix and |
| 06/03/2009 | EP2065587A2 Engine control system and control method thereof |
| 06/03/2009 | EP1495095B1 Diesel fuel formulation for reduced emissions |
| 05/28/2009 | WO2009066304A1 Exhaust gas recirculation valve |
| 05/28/2009 | DE102007055422A1 Valve i.e. exhaust gas recirculation valve, for controlling flow of exhaust gas of e.g. diesel internal-combustion engine, has areas around closing and/or valve surfaces provided with layer that resists adherence of e.g. dirt particles |
| 05/27/2009 | EP2061961A1 Control system for estimating the fresh air flow entering an internal combustion engine, and method therefor |
| 05/22/2009 | WO2009063289A1 Control device for internal combustion engine |
| 05/22/2009 | WO2009019231A3 Diagnostic method for an internal combustion engine through analysis of its exhaust gases and a device for implementing same |
| 05/22/2009 | WO2008017771A8 Method for estimating the flow rate of gas entering an engine |
| 05/20/2009 | EP2060760A1 Working gas circulation engine |
| 05/20/2009 | EP1859138B1 Method for recirculating a sub-stream of exhaust gas to an internal combustion engine of a motor vehicle |
| 05/14/2009 | WO2009060866A1 Exhaust purification device for hybrid electric automobile |
| 05/14/2009 | DE102008046930A1 Systeme und Verfahren zum Abschätzen einer Restgasfraktion für Verbrennungsmotoren mithilfe von Höhenkompensation Systems and methods for estimating a residual gas fraction for internal combustion engines using altitude compensation |
| 05/14/2009 | DE102007053294A1 Adjusting rod for actuating exhaust control butterfly valve of exhaust gas recirculation of internal combustion engine, has shaft with two ends, and adjusting rod is directly and indirectly connects end with actuating device |
| 05/13/2009 | EP2058483A1 Operation method of premixed compression self-ignition engine |
| 05/07/2009 | WO2009056725A2 Method and system for creating a dynamic estimate of the rotational speed of a turbocharger of a combustion engine |
| 05/07/2009 | DE102007052475A1 Verfahren zum Betreiben einer Brennkraftmaschine A method of operating an internal combustion engine |
| 05/06/2009 | EP2055919A2 Method for operating a combustion engine |
| 05/06/2009 | EP2054609A1 Exhaust gas recirculation apparatus for an internal combustion engine |
| 05/06/2009 | CN100485179C Quick EGR flow restriction test based on compensated mass flow differential |
| 04/30/2009 | US20090112447 Intake air quantity correcting device |
| 04/30/2009 | DE102008046938A1 Internal combustion engine i.e. Otto-engine, operating method for automobile, involves supplying charge air flow to combustion chamber of Otto engine in flow direction of charge air flow before compressor of turbocharger |
| 04/29/2009 | EP2053224A2 Intake air quantity correcting device |
| 04/29/2009 | EP2053223A2 Exhaust gas recirculation distribution variation sensing device |
| 04/29/2009 | EP2053215A1 Exhaust catalyst control for six-cycle engine |
| 04/29/2009 | CN101418744A Air inout correcting equipment |
| 04/29/2009 | CN100482932C Diesel engine controller |
| 04/29/2009 | CN100482929C Diesel engine controller |
| 04/23/2009 | WO2009050534A1 An engine unit with dedicated compressor, heating device and turbine on the intake air circuit and automotive vehicle incorporating such engine unit |
| 04/23/2009 | DE102008048626A1 Verfahren zum Steuern von Kraftstoff/Luft-Verhältnis für einen Motor mit wechselnden Ventilen A method for controlling the air / fuel ratio for an engine with changing valves |
| 04/23/2009 | DE102008035747A1 AGR-Kühlung mit mehreren Kühlern EGR cooling with several coolers |
| 04/23/2009 | DE102007050303A1 Actuator's e.g. turbocharger, adjusting function controlling method for internal combustion engine, involves controlling adjusting function of actuator, while two intake pressures are observed with two pre-defined adjusting positions |
| 04/23/2009 | DE102006035301B4 Verbrennungsmotorsteuersystem und Verbrennungsmotorsteuerverfahren Engine control system and engine control method |
| 04/22/2009 | CN101413451A Premixing compression ignition engine |
| 04/16/2009 | WO2009047465A2 Method for diagnosing the bypass flap of an exchanger in an exhaust gas recirculation system |
| 04/16/2009 | WO2009047459A2 System and method for desulphating a nitrogen oxide trap for internal combustion engine |
| 04/16/2009 | DE102007049109A1 Brennkraftmaschine mit gemischten Nockenwellen Engine camshaft with mixed |
| 04/15/2009 | EP1682759B1 NOx DISCHARGE QUANTITY ESTIMATION METHOD FOR INTERNAL COMBUSTION ENGINE |
| 04/15/2009 | CN101410601A 废气净化方法以及废气净化系统 The exhaust gas purification method and exhaust gas purification system |
| 04/15/2009 | CN101408120A Exhaust gas purification apparatus for engine |
| 04/09/2009 | WO2009043513A1 Method for estimating an external exhaust gas recirculation rate |
| 04/09/2009 | DE19741180B4 Motorsteuerungssystem und -Verfahren Motor control system and method |
| 04/09/2009 | DE102008041876A1 Ventilöffnungs- und Schliesssteuergerät Valve opening and Schliesssteuergerät |
| 04/09/2009 | DE102008031944A1 Steuerbetrieb für einen turbogeladenen Motor mit verstellbarer Verdichtungsumgehung Duty for a turbocharged engine with variable compression bypass |
| 04/09/2009 | DE102007047582A1 Einrichtung zur Steuerung des Restgasgehaltes von Zylindern einer Verbrennungskraftmaschine Means for controlling the residual gas content of cylinders of an internal combustion engine |
| 04/09/2009 | DE102007045623A1 Verfahren und Vorrichtung zum Verbessern einer Abgasrückführung einer Verbrennungskraftmaschine A method and apparatus for improving an exhaust gas recirculation of an internal combustion engine |
| 04/08/2009 | CN100476174C Control device for engine |
| 04/02/2009 | WO2009019578A3 Control apparatus and control method for internal combustion engine |
| 04/02/2009 | DE102008047504A1 Vorrichtung zur Messung einer Abgasrückführströmung einer Brennkraftmaschine An apparatus for measuring an exhaust gas recirculation flow of an internal combustion engine |
| 04/02/2009 | DE102008039774A1 Combustion mode switching method for diesel engine of vehicle, involves operating engine in combustion mode when determined load is less than predetermined value and carbon dioxide concentration is greater than predetermined value |
| 04/02/2009 | DE102008033350A1 Differentialdruck(Delta-P)-AGR-Anlage für starke Strömung mit Vorkehrung sowohl für Strömungssteuerung als auch OBD-Überwachung Differential pressure (delta P) -AGR system for strong current with provision for both flow control and OBD monitoring |
| 04/02/2009 | DE10191820B4 Verbrennungsmotor betreibbar in einem PCCI-Modus mit früher Steuereinspritzung und Betriebsverfahren. Combustion engine operable in a PCCI mode with early control injection and operating procedures. |
| 04/01/2009 | EP2041414A1 Method for operating a spark-ignition engine |
| 04/01/2009 | CN100474181C Controller |
| 03/26/2009 | WO2009037407A1 Method for diagnosing the exchanger bypass flap in an exhaust gas recirculation circuit |
| 03/25/2009 | EP2039909A1 Device and method for recirculating exhaust gases in an internal combustion engine |
| 03/25/2009 | EP1957776B1 Exhaust gas recirculation system and method for cleaning such a system |
| 03/25/2009 | CN101395359A Exhaust gas recirculation system |
| 03/19/2009 | WO2009035057A1 Controller of internal combustion engine |
| 03/19/2009 | WO2009034663A1 Internal combustion engine with nox reduction catalyst |
| 03/19/2009 | WO2008139065A3 Method for initiating combustion in an internal combustion engine, and related engine |
| 03/12/2009 | WO2009031356A1 Internal combustion engine, vehicle mounting it, and control method of internal combustion engine |
| 03/11/2009 | EP2034158A1 Engine with supercharger |
| 03/11/2009 | EP2032831A1 Exhaust gas recirculation device of internal combustion engine, and control method thereof |
| 03/11/2009 | CN100467842C Control device for internal combustion engine |
| 03/11/2009 | CN100467839C method for running internal combustion engine |
| 03/05/2009 | DE102007041321A1 Verfahren zum Betreiben einer Brennkraftmaschine A method of operating an internal combustion engine |
| 03/04/2009 | EP2031216A2 Method for operating a combustion engine |
| 03/04/2009 | CN101379280A Air intake control device of V-diesel engine |
| 03/04/2009 | CN100465420C A method and sn apparatus for leading IC engines with recycling waste gas to operate |
| 02/26/2009 | US20090055086 System for controlling the operation of a diesel engine of a motor vehicle |
| 02/25/2009 | EP2027379A1 Method and device for regulating a flow of recirculating gas flowing through an internal combustion engine recirculation line |
| 02/19/2009 | DE102007038242A1 Method for recirculating exhaust gas from outlet line into inlet line of internal combustion engine, involves arranging compressor in inlet line and exhaust gas turbocharger in outlet line |
| 02/19/2009 | DE10048408B9 Steuervorrichtung zur Abgasrückführung für eine Brennkraftmaschine Control device for exhaust gas recirculation for an internal combustion engine |
| 02/18/2009 | CN101371027A Exhaust gas recirculation apparatus for an internal combustion engine |
| 02/18/2009 | CN100462534C Diesel engine |
| 02/12/2009 | WO2009019578A2 Control apparatus and control method for internal combustion engine |
| 02/12/2009 | WO2009019231A2 Diagnostic method for an internal combustion engine through analysis of its exhaust gases and a device for implementing same |
| 02/12/2009 | DE102008003126A1 Verbrennungskraftmaschine und Verfahren zum Betrieb einer Verbrennungskraftmaschine Internal combustion engine and method for operating an internal combustion engine |
| 02/12/2009 | CA2694918A1 Diagnostic method for an internal combustion engine through analysis of its exhaust gases and a device for implementing same |
| 02/11/2009 | EP1836381B1 Method for braking operation of an internal combustion engine provided with a gas pressure container associated with the cylinders. |