| Patents for F02D 15 - Varying compression ratio (2,571) |
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| 03/06/2003 | US20030041837 Method and system for operating a direct injection spark internal combustion engine having variable compression ratio modes |
| 02/12/2003 | CN1396378A Internal-combustion engine |
| 02/11/2003 | US6516774 Premixed charge compression ignition engine with variable speed SOC control and method of operation |
| 02/11/2003 | US6516757 Internal combustion engine with a supercharger and an improved piston crank mechanism |
| 02/06/2003 | US20030024246 Gas-fueled, compression ignition engine with maximized pilot ignition intensity |
| 02/05/2003 | CN1100940C Sparking two stroke IC engine with combustion controller |
| 01/30/2003 | US20030019448 Reciprocating internal combustion engine |
| 01/29/2003 | EP1279798A2 Reciprocating internal combustion engine |
| 01/29/2003 | CN2533275Y Multicylinder diesel engine with limited piston stroke and reduced height |
| 01/28/2003 | US6510822 Crankshaft for a reciprocating internal combustion engine |
| 01/28/2003 | US6510821 Internal combustion engine with variable compression ratio mechanism |
| 01/14/2003 | US6505582 Variable compression ratio mechanism of reciprocating internal combustion engine |
| 01/09/2003 | US20030005898 Multi-cylinder diesel engine with variably actuated valves |
| 01/08/2003 | EP1273770A2 Multi-cylinder diesel engine with variably actuated valves |
| 01/02/2003 | US20030000485 Method and apparatus for preventing locking of engine-operating-characteristic changing device |
| 01/02/2003 | EP1270879A2 Method and apparatus for preventing locking of engine-operating-characteristic changing device |
| 12/27/2002 | WO2002103178A1 Compression ratio variable device of internal combustion engine |
| 12/25/2002 | CN1097149C Arrangement in combustion engine with internal combustion |
| 12/12/2002 | US20020185109 Premixed charge compression ignition engine with optimal combustion control |
| 12/11/2002 | EP1264088A1 Homogeneous or premixed charge auto-ignition engine |
| 12/11/2002 | CN1384281A Engine starter |
| 12/10/2002 | US6491003 Variable compression ratio mechanism for reciprocating internal combustion engine |
| 11/27/2002 | EP1012459B1 Internal combustion engines |
| 11/27/2002 | CN1382247A Method for operating internal combustion engine comprising at least one working piston |
| 11/14/2002 | DE10122469A1 Internal combustion engine of variable compression houses cylinder and crankcase on tongue-and-grooved housing parts sliding relatively along angled line off power cylinder. |
| 11/06/2002 | CN1378618A Method for operating internal combustion engine comprising at least one working cylinder which is guided in cylinder |
| 11/05/2002 | US6474323 Optimized lambda and compression temperature control for compression ignition engines |
| 10/31/2002 | US20020157630 Method for Starting a Multi-Cylinder Internal Conbustion Engine |
| 10/17/2002 | WO2002081886A1 Combustion engine |
| 10/10/2002 | WO2002079622A1 Method of operating a self-ignited internal combustion engine |
| 10/10/2002 | US20020144665 Variable compression ratio mechanism for reciprocating internal combustion engine |
| 10/10/2002 | DE10115608A1 Verfahren zum Betreiben einer Brennkraftmaschine A method of operating an internal combustion engine |
| 10/09/2002 | EP1247971A2 Control system and method for an internal combustion engine |
| 10/09/2002 | EP1247960A2 Variable compression ratio mechanism for reciprocating internal combustion engine |
| 10/09/2002 | EP1247959A2 Piston control mechanism of reciprocating internal combustion engine of variable compression ratio type |
| 10/09/2002 | EP1247066A1 Method and device for determining and adjusting the upper dead-centre position in piston engines |
| 10/03/2002 | US20020139346 Control system and method for an internal combustion engine |
| 10/03/2002 | US20020139324 Piston control mechanism of reciprocating internal combustion engine of variable compression ratio type |
| 10/02/2002 | DE10116264A1 Operating internal combustion engine with mechanical charging, variable compression involves operating compressor to set vacuum in air inlet in choke/expander mode for partial load |
| 09/24/2002 | US6453854 Method and device for monitoring a variable cylinder compression ratio |
| 09/19/2002 | WO2002073015A1 Modified otto engine with one cylinder |
| 09/19/2002 | WO2002012694A9 Internal combustion piston engine comprising various compression influences |
| 09/12/2002 | DE10111612A1 Device to vary compression ratio in reciprocating piston engines during operation has plate-shaped module containing slide housing, auxiliary chamber with piston, and located between crankcase and cylinder head |
| 09/11/2002 | EP1238189A1 Method and device for modifying compression rate to optimize operating conditions of reciprocating piston engines |
| 09/05/2002 | DE10206715A1 Dekompressionseinheit für eine Brennkraftmaschine Decompression unit for an internal combustion engine |
| 09/04/2002 | EP1236877A2 Piston actuation system of V-type engine with variable compression ratio mechanism |
| 08/29/2002 | US20020117129 Piston actuation system of V-type engine with variable compression ratio mechanism |
| 08/29/2002 | US20020117126 Combustion control apparatus for engine |
| 08/28/2002 | EP1234966A2 Gas-fueled, compression ignition engine with maximized pilot ignition intensity |
| 08/28/2002 | EP1234960A2 Combustion control apparatus for engine |
| 08/22/2002 | US20020112690 Decompression unit for internal combustion engine |
| 08/14/2002 | EP1230470A1 Method for controlling the cylinder compression during starting of an internal combustion engine |
| 08/08/2002 | US20020104499 Engine starting apparatus |
| 08/08/2002 | US20020104492 High efficiency engine with variable compression ratio and charge (VCRC engine) |
| 08/06/2002 | US6427643 Internal combustion engine with variable compression ratio |
| 08/01/2002 | DE10154516A1 Abgasemissionssteuersystem für einen Verbrennungsmotor An exhaust emission control system for an internal combustion engine |
| 07/31/2002 | EP1226345A1 Method for operating an internal combustion engine comprising at least one working piston |
| 07/31/2002 | EP1226344A1 Method for operating an internal combustion engine comprising at least one working cylinder which is guided in a cylinder |
| 07/25/2002 | WO2002057610A1 Spontaneous intake type internal combustion engine for vehicles |
| 07/18/2002 | US20020092488 Combustion control system for spark-ignition internal combustion engine with variable piston stroke characteristic mechanism and variable valve operating mechanism |
| 07/18/2002 | DE10151505A1 Variable compression ratio engine has two connecting rod locking mechanisms, both biased to their locking states and able to be unlocked by feeding hydraulic fluid to them |
| 07/17/2002 | EP1223319A1 Combustion control system for spark ignition internal combustion engine with variable piston stroke characteristic mechanism and variable valve operating mechanism |
| 07/11/2002 | WO2002044537A8 High efficiency engine with variable compression ratio and charge (vcrc engine) |
| 07/04/2002 | WO2001044750A8 Method and device for determining and adjusting the upper dead-centre position in piston engines |
| 06/19/2002 | EP0977938B1 Arrangement in a combustion engine with internal combustion |
| 06/19/2002 | CN1086444C Internal combustion engine with constant volume independent combustion chamber |
| 06/13/2002 | DE10058206A1 Vorrichtung zum Verändern der Verdichtung eines Zylinders einer Hubkolbenbrennkraftmaschine Means for varying the compression of a cylinder of a reciprocating internal combustion engine |
| 06/06/2002 | WO2002044537A1 High efficiency engine with variable compression ratio and charge (vcrc engine) |
| 06/04/2002 | US6397579 Internal combustion engine with constant-volume independent combustion chamber |
| 05/29/2002 | CN1085782C 内燃机 Internal combustion engine |
| 05/28/2002 | US6394051 Spark ignition engine with negative valve-overlap |
| 05/21/2002 | US6390035 Reciprocating internal combustion engine |
| 05/16/2002 | US20020056340 Crankshaft for a reciprocating internal combustion engine |
| 05/15/2002 | EP1205652A1 Variable compression ratio mechanism with two hydraulically operated valves in the crank shaft |
| 05/15/2002 | EP0983433A4 Premixed charge compression ignition engine with optimal combustion control |
| 05/10/2002 | WO2002036949A1 Homogenous charge compression ignition and barrel engines |
| 05/08/2002 | EP0808418B1 Cylinder head for an internal combustion engine |
| 05/02/2002 | US20020050252 Variable compression ratio mechanism for reciprocating internal combustion engine |
| 05/02/2002 | EP1201894A2 Variable compression ratio mechanism for reciprocating internal combustion engine |
| 04/25/2002 | DE10051271A1 In ihrem Verdichtungsverhältnis einstellbare Kolbenbrennkraftmaschine mit integriertem Verstellaktuator In its compression ratio adjustable piston internal combustion engine with integrated adjustment actuator |
| 04/24/2002 | EP1199452A1 Internal combustion engine with variable compression ratio and integrated setting actuator |
| 04/24/2002 | EP1198666A1 METHOD FOR INCREASING THE NO x CONVERSION RATE OF DETERIORATED NO x STORAGE CATALYSTS |
| 04/18/2002 | US20020043229 Apparatus for varying the compression ratio of an internal-combustion engine |
| 04/18/2002 | US20020043228 Variable compression ratio mechanism for reciprocating internal combustion engine |
| 04/17/2002 | EP1197647A2 Variable compression ration mechanism for reciprocating internal combustion engine |
| 04/11/2002 | US20020040692 Internal combustion engine operable in PCCI mode with early control injection and method of operation |
| 04/04/2002 | WO2002027165A1 Rotating cylinder valve engine |
| 03/28/2002 | WO2002025080A1 Lean-burn variable compression ratio engine |
| 03/28/2002 | WO2001086128A3 Internal combustion engine operable in pcci mode with early control injection and method of operation |
| 03/28/2002 | WO2001086127A3 Internal combustion engine operable in pcci mode with post-ignition injection and method of operation |
| 03/28/2002 | WO2001086126A3 Multiple operating mode engine and method of operation |
| 03/28/2002 | DE10042381A1 Verfahren zur Steuerung des Verdichtungsverhältnisses an einer Verbrennungskraftmaschine Method for controlling the compression ratio of an internal combustion engine |
| 03/21/2002 | WO2001086125A3 Premixed charge compression ignition engine with variable speed soc control and method of operation |
| 03/20/2002 | EP0980466B1 Device for varying a piston engine effective volumetric displacement and/or volumetric ratio of during its operation |
| 03/19/2002 | US6357399 Marine engine |
| 03/13/2002 | EP1186752A2 Spark ignition engine with negative valve-overlap |
| 03/12/2002 | US6354268 Cylinder pressure based optimization control for compression ignition engines |
| 03/12/2002 | US6354252 Device for varying a piston engine effective volumetric displacement and/or volumetric ratio of during its operation |
| 03/12/2002 | US6354250 Internal combustion engine |
| 03/07/2002 | WO2002018757A1 Method for controlling the compression ratio of an internal combustion engine |