| 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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| 08/02/2000 | EP1024272A1 Control method for turbocharged diesel engines having exhaust gas recirculation |
| 08/02/2000 | EP1024264A1 Coordinated control method for turbocharged diesel engines having exhaust gas recirculation |
| 08/02/2000 | EP1024263A1 Control method for turbocharged diesel engines having exhaust gas recirculation |
| 08/02/2000 | EP1024262A2 Estimated mass airflow in turbocharged engines having exhaust gas recirculation |
| 08/02/2000 | EP1024261A2 Method of reducing turbo lag in diesel engines having exhaust gas recirculation |
| 08/01/2000 | US6095127 Fuel limiting method in diesel engines having exhaust gas recirculation |
| 08/01/2000 | US6095123 Valve and valve control method |
| 07/26/2000 | EP1021646A1 Bi-turbocharger internal combustion engine with exhaust gas recycling |
| 07/20/2000 | WO2000042305A1 Turbocharger and egr system |
| 07/19/2000 | EP1020626A2 Exhaust gas recirculation system |
| 07/19/2000 | EP1020624A2 Exhaust gas temperature estimation |
| 07/18/2000 | US6089019 Turbocharger and EGR system |
| 07/18/2000 | US6089017 Exhaust gas purification system of internal combustion engine |
| 07/13/2000 | DE19900729A1 System for operating internal combustion engine, especially for motor vehicle, divides mass flow through valve into inert and air components depending on air/fuel ratio |
| 07/11/2000 | US6085718 Control system for a direct injection-spark ignition engine |
| 07/11/2000 | US6085712 Stratified charge engine |
| 07/06/2000 | DE19860463A1 Detecting pilot mixture control value with 2-point lambda probe involves performing step adjustment of defined value towards unity lambda value, changing further until reaction occurs |
| 07/05/2000 | EP1015748A1 Method and device for determining the gas intake in an internal combustion engine |
| 07/05/2000 | EP1015746A1 Device for determining the volume of air entering the cylinder of an internal combustion engine with a supercharger |
| 07/05/2000 | EP0998625A4 REDUCING NOx EMISSIONS FROM AN ENGINE WHILE MAXIMIZING FUEL ECONOMY |
| 07/04/2000 | US6082328 Method and apparatus to accomplish exhaust air recirculation during engine braking and/or exhaust gas recirculation during positive power operation of an internal combustion engine |
| 07/04/2000 | US6082325 Process and system for operating a diesel engine |
| 07/04/2000 | US6082100 Method for operating a multicylinder internal combustion engine |
| 06/29/2000 | WO2000037787A1 OPERATION OF AN INTERNAL COMBUSTION ENGINE IN CONJUNCTION WITH A NOx-STORAGE CATALYST |
| 06/29/2000 | DE19858990A1 NOx-Speicher-Katalysator NOx storage catalyst |
| 06/28/2000 | EP1013904A2 Internal combustion engine having lean NOx catalyst |
| 06/27/2000 | US6079395 Exhaust gas recirculation system |
| 06/27/2000 | US6079387 Air intake control system for engine equipped with exhaust gas recirculation feature |
| 06/21/2000 | DE19957715A1 Abgasausstoß-Steuerungsvorrichtung für eine Brennkraftmaschine Exhaust emission control device for an internal combustion engine |
| 06/20/2000 | US6076502 Exhaust gas recirculation control system for internal combustion engines |
| 06/20/2000 | US6076353 Coordinated control method for turbocharged diesel engines having exhaust gas recirculation |
| 06/15/2000 | DE19958207A1 Exhaust gas return controller for engine with cylinder cut-off has engine temp. detector unit, unit for comparing temp. with two threshold values, unit for determining engine mode, control unit |
| 06/07/2000 | EP1005609A1 Method for controlling exhaust gas recirculation in an internal combustion engine |
| 05/31/2000 | EP1004760A2 Control apparatus of engine having turbo supercharger |
| 05/31/2000 | DE19944710A1 Internal combustion, especially diesel, engine has exhaust gas feedback line branched directly off combustion chamber with exhaust gas feedback valve pref. mounted near branch |
| 05/30/2000 | US6067973 Method and system for late cycle oxygen injection in an internal combustion engine |
| 05/25/2000 | WO2000029735A1 Internal combustion engine |
| 05/18/2000 | WO2000028203A1 A method and device for an egr-system and a valve as well as a regulation method and device |
| 05/18/2000 | WO2000028200A1 METHOD FOR DETERMINING THE NOx CRUDE EMISSION OF AN INTERNAL COMBUSTION ENGINE OPERATED WITH AN EXCESS OF AIR |
| 05/17/2000 | EP1001154A2 Internal combustion engine |
| 05/17/2000 | EP1001153A1 Control system for direct injection engine |
| 05/17/2000 | EP1000231A1 Gasoline internal combustion engine |
| 05/16/2000 | US6062204 Engine control system and method with atmospheric humidity compensation |
| 05/16/2000 | US6062190 Ignition timing control apparatus and method for internal combustion engine |
| 05/11/2000 | WO2000026527A1 Exhaust emission recirculating system for supercharged diesel engine |
| 05/11/2000 | DE19851319A1 Verfahren zum Bestimmen der NOx-Rohemission einer mit Luftüberschuß betreibbaren Brennkraftmaschine A method for determining the untreated NOx emissions can be operated with an excess air combustion engine |
| 05/10/2000 | EP0998625A1 REDUCING NOx EMISSIONS FROM AN ENGINE WHILE MAXIMIZING FUEL ECONOMY |
| 05/09/2000 | US6058906 Fuel/air ratio control for internal combustion engine |
| 05/09/2000 | US6058701 Exhaust purification apparatus and method for internal combustion engines |
| 05/04/2000 | DE19849272A1 Diagnosis of exhaust gas return system for combustion process involves evaluating speed and/or shape of variation with which lambda number follows air/fuel ratio change |
| 05/03/2000 | EP0997625A2 An internal combustion engine |
| 05/02/2000 | US6055968 Engine |
| 05/02/2000 | US6055965 Control system for exhaust gas recirculation system in an internal combustion engine |
| 05/02/2000 | US6055956 Control system for an engine equipped with exhaust gas recirculation system |
| 05/02/2000 | US6055810 Feedback control of direct injected engines by use of a smoke sensor |
| 04/27/2000 | DE19950146A1 Airflow sensor calibration system, for use in reciprocating combustion engines, uses a condition sensor to measure the status of an EGR engine and compares this to the signal value of the airflow sensor to calibrate it |
| 04/27/2000 | DE19946725A1 IC engine with cooled exhaust gas recirculation system for use with e.g. a highway truck has exhaust valve controlled according to map e.g. normal and high coolant temperature strategies |
| 04/27/2000 | DE19943814A1 Purging of NOx trap in exhaust passage of direct injection engine initiating purge portion of trap cycle when amount of NOx stored in trap exceeds a set amount by abruptly changing from lean to rich air-fuel ratio |
| 04/18/2000 | US6050248 Exhaust gas recirculation valve powered by pressure from an oil pump that powers a hydraulically actuated fuel injector |
| 04/13/2000 | WO2000020744A1 Device for controlling exhaust gas recirculation in an internal combustion engine |
| 04/12/2000 | EP0992669A2 Internal combustion engine |
| 04/12/2000 | EP0992667A2 Internal combustion engine |
| 04/12/2000 | EP0992663A2 Control system for supercharged engine |
| 04/12/2000 | EP0854973A4 Multi-stage combustion engine |
| 04/06/2000 | WO2000001930A3 Injector egr valve and system |
| 04/06/2000 | DE19845525A1 System for controlling lift of solenoid regulator pref. for exhaust air feedback to suction side with IC engine and correction element computes corrected command variable from regulator position and variable from engine parameters |
| 04/06/2000 | DE19845524A1 System for controlling solenoid regulator for feeding back exhaust gas amount with IC engine includes unit in which is formed from signal for path of regulator using Low Pass filtering |
| 04/05/2000 | EP0990788A2 Exhaust gas purifying system for diesel engine |
| 03/30/2000 | DE19943132A1 Airflow management system for IC engine has separating device inside inlet air system for separating specified part of inlet air into flows of oxygen-enriched and nitrogen-enriched air |
| 03/30/2000 | DE19943131A1 Management system for IC engine has the air inlet with a separator to provide oxygen enriched air which is fed into the cylinders late in the combustion cycle |
| 03/30/2000 | DE19906463C1 Supercharged internal combustion motor with an exhaust feedback has an additional outlet valve at the control valves for the cylinders to set the exhaust feedback for the most effective motor running |
| 03/28/2000 | US6041764 Exhaust circulation control valve for automotive engines |
| 03/28/2000 | US6041756 Active adaptive EGR and spark advance control system |
| 03/28/2000 | US6041755 Apparatus and method for reducing torque fluctuation for lean burn combustion engine |
| 03/22/2000 | EP0987425A1 Control system for diesel engine |
| 03/22/2000 | EP0987419A2 Internal combustion engine |
| 03/22/2000 | EP0987417A2 Method and apparatus for controlling intake airflow rate of an engine and method for controlling output |
| 03/21/2000 | US6039025 Internal combustion engine |
| 03/21/2000 | US6039022 Co-axial master piston assembly |
| 03/16/2000 | DE19941439A1 Diesel engine exhaust gas nitrogen oxide removal comprises exhaust gas oxygen content reduction, fuel injection into exhaust gas and controlled recycling of exhaust gas to intake manifold |
| 03/16/2000 | DE19841836A1 Optimierung des Frischluftfüllungsverhaltens einer Brennkraftmaschine Optimization of the fresh air charge behavior of an internal combustion engine |
| 03/15/2000 | EP0985812A2 Optimalisation of the part of the fresh air in the charge of a combustion engine |
| 03/15/2000 | EP0812385A4 Supercharged internal combustion engine |
| 03/14/2000 | US6035640 Control method for turbocharged diesel engines having exhaust gas recirculation |
| 03/14/2000 | US6035639 Method of estimating mass airflow in turbocharged engines having exhaust gas recirculation |
| 03/09/2000 | WO2000012884A1 Multiple-cylinder internal combustion engine and a method for operating the same |
| 03/08/2000 | EP0984153A2 Control system for turbocharged engine |
| 03/08/2000 | EP0983430A1 Method for controlling a combustion engine during starting and a combustion engine for implementing the method |
| 03/07/2000 | US6032656 Integrated internal combustion engine control system with high-precision emission controls |
| 03/02/2000 | WO2000011343A1 Regulation method for fuel injection system |
| 03/02/2000 | DE19838725A1 Mehrzylindrige Brennkraftmaschine und Verfahren zum Betreiben einer solchen Multi-cylinder internal combustion engine and method for operating such a |
| 03/01/2000 | EP0982486A2 Internal combustion engine |
| 03/01/2000 | EP0982485A2 Internal combustion engine |
| 02/29/2000 | US6029622 Fuel control method and system for cylinder injection type internal combustion engine |
| 02/29/2000 | US6029451 Method of operating an internal combustion engine |
| 02/24/2000 | WO2000009881A1 Evaporated fuel processing device of internal combustion engine |
| 02/23/2000 | EP0980971A2 Internal combustion engine |
| 02/23/2000 | EP0980970A2 Exhaust gas recirculation mechanism for engine and method for controlling exhaust gas recirculation valve |
| 02/22/2000 | US6026790 Diesel engine emission control system |
| 02/17/2000 | WO2000008319A1 Bi-turbocharger internal combustion engine with exhaust gas recycling |