| Patents for F02B 23 - Other enginescharacterised byspecial shape or construction of combustion chambers to improve operation (6,474) |
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| 10/20/1999 | CN1232135A Method and device for converting heat to work |
| 10/19/1999 | US5967113 Exhaust-gas temperature raising system for an in-cylinder injection type internal combustion engine |
| 10/13/1999 | EP0948708A1 Method of operating an internal combustion engine |
| 10/13/1999 | EP0948706A1 Device for mixing air and fuel in the combustion chamber of an internal combustion engine |
| 10/07/1999 | WO1999050554A1 Internal combustion engine with fuel injection |
| 10/06/1999 | EP0947677A1 Combustion chamber and internal combustion engine |
| 10/05/1999 | US5960769 Air intake method and controller for engines performing stratified charge combustion |
| 10/05/1999 | US5960768 Arrangement of a direct-injection and spark-ignition 4-stroke internal-combustion engine |
| 10/05/1999 | US5960767 Combustion chamber of in-cylinder direct fuel injection engine |
| 10/05/1999 | US5960766 Method of operating an internal combustion engine |
| 10/05/1999 | US5960765 Control device for cylinder-injection and spark-ignition type internal combustion engines |
| 10/05/1999 | US5960749 Two-cycle internal combustion engine |
| 09/29/1999 | EP0945611A2 Direct injection type internal combustion engine |
| 09/29/1999 | EP0945605A1 Spark ignited direct injection internal combustion engine |
| 09/29/1999 | EP0945604A1 Spark ignited four stroke direct injection internal combustion engine |
| 09/29/1999 | EP0945603A2 Internal combustion engine and piston thereof |
| 09/29/1999 | EP0945602A2 Direct-injection diesel engine and combustion method for the same |
| 09/29/1999 | EP0944424A1 SPARK-IGNITED INTERNAL COMBUSTION ENGINE WITH AN NOx-ADSORBER |
| 09/29/1999 | EP0914558A4 Two cycle engine having a decompression slot |
| 09/29/1999 | CN2340912Y Three air gates jetting combustion chamber of gasoline engine |
| 09/29/1999 | CN2340911Y Direct jetting combustion chamber of gasoline engine |
| 09/29/1999 | CN2340910Y Gasoline engine with four air gates jetting combustion chamber |
| 09/23/1999 | WO1999047800A1 Internal combustion engine, control apparatus for an internal combustion engine, and its control method |
| 09/22/1999 | EP0943053A2 Method for controlling a direct-injection internal combustion engine |
| 09/16/1999 | WO1999046492A1 Improvement to injection internal combustion engine |
| 09/15/1999 | EP0840849B1 Process for controlling the ignition point in internal combustion engines |
| 09/15/1999 | CN1228827A Liquid gas engine |
| 09/14/1999 | US5950602 Fuel supply piping structure of direct-injection type diesel engine |
| 09/14/1999 | US5950592 Spark ignition two-cycle internal combustion engine with sub-combustion chamber |
| 09/14/1999 | US5950584 Spark plug for forming a spark to jump between two electrodes |
| 09/14/1999 | US5950581 Two-cycle internal combustion engine |
| 09/10/1999 | WO1999045249A1 Internal combustion engine with direct fuel injection |
| 09/09/1999 | DE19809066A1 IC engine with direct fuel injection |
| 09/07/1999 | US5947066 Two-cycle internal combustion engine |
| 09/01/1999 | CN1227620A Improved time delay ignition circuit for an internal combustion engine |
| 08/31/1999 | US5943993 Four-stroke internal combustion engine with spark ignition |
| 08/26/1999 | WO1999042718A1 Premixed charge compression ignition engine with optimal combustion control |
| 08/26/1999 | WO1999042712A1 Internal combustion engine |
| 08/26/1999 | WO1999042710A1 Method for providing and maintaining catalytically active surface in internal combustion engine |
| 08/26/1999 | CA2321042A1 Internal combustion engine |
| 08/25/1999 | CN1226632A Intake and exhaust method for achieving lean combustion in engine |
| 08/24/1999 | US5941221 Reciprocating engine combustion chamber |
| 08/24/1999 | US5941208 Process for operating an Otto internal-combustion engine having an internal mixture formation |
| 08/24/1999 | US5941207 Direct injection spark ignition engine |
| 08/24/1999 | CA2178313C Compressed natural gas flow generating apparatus |
| 08/18/1999 | EP0936353A2 In-cylinder injection type internal combustion engine |
| 08/12/1999 | WO1999040302A1 Barrier divided combustion chamber for fuel injected two-stroke engine |
| 08/12/1999 | CA2318924A1 Barrier divided combustion chamber for fuel injected two-stroke engine |
| 08/11/1999 | CN1225706A Piston for cylinder direct injection spark ignition internal combustion engine |
| 08/10/1999 | US5934262 Combustion chamber for internal combustion engine |
| 08/10/1999 | US5934246 Intake and exhaust method for achieving lean combustion in an engine |
| 08/10/1999 | US5934072 Exhaust gas purifying device for engine |
| 08/04/1999 | EP0932758A1 Ignition by electromagnetic radiation |
| 07/27/1999 | US5927245 Combustion chamber for engine |
| 07/27/1999 | US5927244 Combustion chamber structure having piston cavity |
| 07/22/1999 | DE19901770A1 Internal combustion motor piston head |
| 07/21/1999 | EP0930427A2 Internal combustion engine and method for its mixture preparation |
| 07/21/1999 | CN1223333A Practical compact type quick combustion gasoline engine |
| 07/20/1999 | US5924404 Cylinder-specific spark ignition control system for direct fuel injected two-stroke engine |
| 07/15/1999 | DE19860183A1 IC engine with injector per cylinder for direct fuel injection into combustion chamber |
| 07/14/1999 | EP0928887A2 In-cylinder direct-injection spark-ignition engine |
| 07/14/1999 | CN1222951A Method of operating fuel injected engine |
| 07/14/1999 | CN1044144C Internal combustion engine |
| 07/13/1999 | US5921215 Four-stroke internal combustion engine with spark ignition |
| 07/07/1999 | EP0927819A2 An intake and exhaust system for achieving lean combustion in an engine |
| 07/05/1999 | CA2257710A1 An intake and exhaust method for achieving lean combustion in an engine |
| 07/01/1999 | WO1999032781A1 Direct secondary air injection system for internal combustion engine |
| 06/29/1999 | US5915353 Cylinder direct injection spark-ignition engine |
| 06/29/1999 | US5915349 Gasoline internal combustion engine |
| 06/23/1999 | EP0924422A2 Fuel direct injection spark ignition type internal combustion engine |
| 06/23/1999 | EP0924403A1 Direct-injection spark-ignition engine |
| 06/23/1999 | EP0924402A1 Arrangement for spark-igniting direct-injection internal combustion engine |
| 06/23/1999 | CN2325523Y Multiple chamber internal combustion engine |
| 06/22/1999 | US5913554 Intake system construction for internal combustion engine and manufacturing process of intake passage section of internal combustion engine |
| 06/22/1999 | US5913302 Ignition coil dwell time control system |
| 06/22/1999 | US5913297 Internal combustion engine |
| 06/17/1999 | WO1999030024A1 NOx REDUCTANT GENERATION IN A COMPRESSION-IGNITION ENGINE BY HYDROCARBON INJECTION DURING THE EXPANSION STROKE |
| 06/17/1999 | WO1999030016A1 Engine combustion system |
| 06/17/1999 | WO1999030014A1 The combustion chamber of internal combustion engines |
| 06/17/1999 | DE19844200A1 Variable compression ratio crank drive |
| 06/17/1999 | DE19754849A1 Direct-injection internal combustion engine |
| 06/16/1999 | EP0922848A2 Intake conduit for an internal combustion engine |
| 06/16/1999 | EP0922157A1 Liquid gas engine |
| 06/16/1999 | CN1219995A Stratified combustion chamber for cross-scavenged two-stroke internal combustion engine |
| 06/16/1999 | CN1219994A Energy conservation cycle engine |
| 06/15/1999 | US5911202 For compressing an air-fuel mixture inside a crank case |
| 06/10/1999 | DE19753963A1 Internal combustion engine with direct fuel injection |
| 06/09/1999 | EP0921290A2 Process and device for conversion of heat into work |
| 06/09/1999 | EP0921287A1 Spark ignited internal combustion engine with direct fuel injection |
| 06/03/1999 | WO1999027244A1 Natural re-start multimode system (bde) |
| 06/02/1999 | DE19854923A1 IC engine with direct injection combustion chamber |
| 06/02/1999 | CN2321946Y Mushroom shape swirl chamber structure for diesel engine combustion chamber |
| 06/02/1999 | CN1218538A Movable wall member in form of exhaust valve spindle or piston is IC engine |
| 06/02/1999 | CN1218137A 喷油阀 Fuel injection valves |
| 06/01/1999 | US5908018 Direct injected engine |
| 06/01/1999 | US5908012 Combustion control device for an engine |
| 05/27/1999 | DE19844314A1 Cylinder head |
| 05/27/1999 | DE19751928A1 Operating method for internal combustion engine, especially vehicle engine |
| 05/26/1999 | EP0918155A2 Fuel injection valve |
| 05/25/1999 | US5906183 Method of forming an fuel/air mixture in a direct injection internal combustion engine |