| Patents for F02D 15 - Varying compression ratio (2,571) |
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| 06/23/2004 | EP1431559A2 Intake-air control system for engine |
| 06/22/2004 | US6752105 Piston-in-piston variable compression ratio engine |
| 06/17/2004 | US20040112311 Combustion engine |
| 06/17/2004 | US20040112310 Intake-air control system for engine |
| 06/09/2004 | EP1426585A1 Variable stroke engine |
| 06/09/2004 | EP1012461A4 Internal combustion engine with variable compression ratio |
| 06/09/2004 | CN1502799A Stroke changeable engine |
| 06/08/2004 | US6745619 Diagnostic method for variable compression ratio engine |
| 06/03/2004 | WO2004046518A1 Internal combustion engine with accumulation chamber |
| 06/03/2004 | US20040103860 Premixed charge compression ignition engine with optimal combustion control |
| 06/03/2004 | DE10254726A1 Combustion engine with variable compression in a motor vehicle has displacement element on turning axis to vary combustion space |
| 06/02/2004 | EP1424484A1 High-output engine structure |
| 06/02/2004 | EP1424483A1 High-performance engine |
| 06/02/2004 | EP1424474A1 Method of controlling internal combustion engine |
| 06/02/2004 | EP1424473A1 Dual-piston engine |
| 05/27/2004 | US20040099244 Valve actuating apparatus for internal combustion engine |
| 05/26/2004 | CN1500179A Dual fuel engine |
| 05/26/2004 | CN1499060A Variable reduction ratio enqine |
| 05/21/2004 | WO2004042216A1 A frequency modulated vcr-engine |
| 05/19/2004 | EP1307642B1 Internal combustion piston engine comprising various compression influences |
| 05/19/2004 | DE10348366A1 Process to operate fuel injection system in a diesel engine with direct fuel injection, by injecting fuel when crankshaft is 2 before and 20 after top center |
| 05/18/2004 | US6736108 Fuel and spark compensation for reactivating cylinders in a variable displacement engine |
| 05/13/2004 | US20040089253 Engine control with operating mode detection |
| 05/12/2004 | EP1418329A2 A method and system for controlling an engine |
| 05/12/2004 | EP1418322A2 Variable compression ratio system for internal combustion engine and method for controlling the system |
| 05/11/2004 | US6732682 Control system and method for an internal combustion engine |
| 05/06/2004 | US20040083992 Variable compression ratio system for internal combustion engine and method for controlling the system |
| 05/06/2004 | US20040083991 High efficiency engine with variable compression ratio and charge (VCRC engine) |
| 05/06/2004 | EP1416128A1 System for delaying the intake valve closing time in an engine |
| 05/04/2004 | US6732041 Method and system for inferring intake manifold pressure of a variable compression ratio engine |
| 05/04/2004 | US6729273 Piston actuation system of V-type engine with variable compression ratio mechanism |
| 04/28/2004 | EP1315889B1 Method for controlling the compression ratio of an internal combustion engine |
| 04/22/2004 | US20040074455 Method and apparatus for active control of combustion rate through modulation of heat transfer from the combustion chamber wall |
| 04/15/2004 | US20040069254 Compression ratio controlling apparatus and method for spark-ignited internal combustion engine |
| 04/13/2004 | US6718945 Multicylinder petrol engine with variable actuation of the valves |
| 04/13/2004 | US6718928 Method for starting a multi-cylinder internal combustion engine |
| 04/08/2004 | US20040065293 Dual fuel engine |
| 04/06/2004 | US6715453 Method and apparatus for preventing locking of engine-operating-characteristic changing device |
| 03/31/2004 | EP1403488A1 Compression ratio variable device of internal combustion engine |
| 03/31/2004 | EP1403487A2 Control system and method for an internal combustion engine having a VVT device |
| 03/31/2004 | CN1486396A Spontaneous intake type internal combustion engine for vehicles |
| 03/25/2004 | WO2004025287A1 Gasoline type identifying system and method for identifying gasoline type |
| 03/23/2004 | US6708654 High efficiency engine with variable compression ratio and charge (VCRC engine) |
| 03/18/2004 | DE10240913A1 Air inlet control for IC engine has a fast acting rotating air valve in the inlet duct for each cylinder to vary the compression ratio for fuel injection engines |
| 03/17/2004 | EP1398476A1 A variable compression ratio control system for an internal combustion engine |
| 03/04/2004 | WO2004018854A1 Internal combustion engines |
| 03/04/2004 | DE10220598B3 IC engine ignition angle adaption method for matching variable compression ratio e.g. for automobile engine, with transition ignition angle used during compression ratio variation phase |
| 02/26/2004 | WO2004016924A1 Method and device for controlling the combustion process of an hcci internal combustion engine |
| 02/26/2004 | DE10336485A1 Valve actuator for internal combustion engine selects operation with normal cam for starting and idling and with delayed closing cam in certain operating state not involving starting or idling |
| 02/26/2004 | DE10220597B3 IC engine knock regulation adaption method e.g. for automobile, has knock detection parameters and knock correction parameters corrected via correction functions dependent on actual compression ratio |
| 02/24/2004 | US6694939 Decompression unit for internal combustion engine |
| 02/19/2004 | WO2004015256A1 Piston-in-piston variable compression ratio engine |
| 02/19/2004 | DE10233612A1 Controlling combustion process in internal combustion engine with controlled self-ignition, involves optimizing parameters that influence combustion process depending on signal from knock sensor |
| 02/19/2004 | CA2493093A1 Piston-in-piston variable compression ratio engine |
| 02/17/2004 | US6691655 Control system and method for an internal combustion engine |
| 02/12/2004 | WO2004013480A1 Compression ratio variable device of internal combustion engine |
| 02/12/2004 | US20040025818 Method for controlling the compression ratio of an internal combustion engine |
| 02/12/2004 | US20040025814 Piston-in-piston variable compression ratio engine |
| 02/10/2004 | US6688280 Air and fuel supply system for combustion engine |
| 02/05/2004 | US20040020450 Rotating cylinder valve engine |
| 02/03/2004 | US6684852 Internal combustion engine operable in PCCI mode with post-ignition injection and method of operation |
| 02/03/2004 | US6684849 Multiple operating mode engine and method of operation |
| 02/03/2004 | US6684828 Variable compression ratio mechanism for reciprocating internal combustion engine |
| 01/29/2004 | DE10328834A1 Steuervorrichtung für eine Brennkraftmaschine und Steuerungsverfahren A control apparatus for an internal combustion engine and control method |
| 01/28/2004 | EP1383994A1 Modified otto engine with one cylinder |
| 01/22/2004 | WO2004007932A1 Compression ratio variable device of internal combustion engine |
| 01/22/2004 | US20040011307 Variable stroke engine |
| 01/22/2004 | DE10220596B3 Verfahren zum Regeln des Verdichtungsverhältnisses einer Brennkraftmaschine Method for controlling the compression ratio of an internal combustion engine |
| 01/21/2004 | CN1469032A Decompressor for engine |
| 01/15/2004 | DE10230429A1 Exzenter-Verstellvorrichtung für einen Kurbeltrieb Eccentric adjustment for a crank mechanism |
| 01/15/2004 | DE10230428A1 Exzenter-Verstellvorrichtung für einen Kurbeltrieb Eccentric adjustment for a crank mechanism |
| 01/15/2004 | DE10230427A1 Schaltvorrichtung für einen Kurbeltrieb einer Brennkraftmaschine Switching device for a crank mechanism of an internal combustion engine |
| 01/14/2004 | EP1380739A1 Compression ratio controlling apparatus and method for spark-ignited internal combustion engine |
| 01/08/2004 | US20040003785 Engine with variable compression ratio |
| 01/08/2004 | DE10321703A1 Kraftstoff-und Zündzeitpunktkompensation zum Wiederzuschalten von Zylindern in einem Motor mit variablem Hubraum Fuel and Zündzeitpunktkompensation for reconnection of cylinders in an engine with variable capacity |
| 01/07/2004 | CN1466652A Rotating cylinder valve engine |
| 01/06/2004 | US6675087 Method and system for scheduling optimal compression ratio of an internal combustion engine |
| 01/06/2004 | US6672270 Fuel efficient valve mechanism for internal combustion engines |
| 01/02/2004 | EP1373697A1 Combustion engine |
| 01/01/2004 | US20040000282 Control apparatus for an internal combustion engine and control method thereof |
| 12/30/2003 | US6668788 Homogenous charge compression ignition engine having a cylinder including a high compression space |
| 12/30/2003 | US6668768 Variable compression ratio engine |
| 12/23/2003 | US6666177 Method for operating an internal combustion engine comprising at least one working piston |
| 12/18/2003 | US20030230257 Engine |
| 12/16/2003 | US6665605 System and method for controlling an engine |
| 12/16/2003 | US6662768 System and method for controlling an engine |
| 12/11/2003 | WO2003102382A1 Valve mechanism for internal combustion engine |
| 12/09/2003 | US6659071 Internal combustion engine operable in PCCI mode with early control injection and method of operation |
| 12/04/2003 | US20030221652 Fuel efficient valve mechanism for internal combustion engines |
| 11/27/2003 | US20030217722 Decompression device for power generator engine |
| 11/25/2003 | US6651677 Method of controlling ignition timing of compression ignition engine of premixed mixture type |
| 11/25/2003 | US6651618 Air and fuel supply system for combustion engine |
| 11/25/2003 | US6651617 Method of controlling ignition timing of compression ignition engine of premixed mixture type |
| 11/25/2003 | US6651616 Method for operating a four-stroke reciprocating internal combustion engine with alternating compression ignition and externally supplied ignition |
| 11/25/2003 | US6651601 Control strategy for improving cold cranking, starting, and warm-up of an engine having a variable valve actuation mechanism |
| 11/20/2003 | US20030213468 Fuel and spark compensation for reactivating cylinders in a variable displacement engine |
| 11/20/2003 | US20030213463 Air and fuel supply system for combustion engine |
| 11/20/2003 | US20030213462 Air and fuel supply system for combustion engine |
| 11/20/2003 | US20030213451 Control system and method for an internal combustion engine |
| 11/20/2003 | US20030213450 Control system and method for variable valve actuation system |