| Patents for F02B 25 - Engines characterised by using fresh charge for scavenging cylinders (3,434) |
|---|
| 07/04/1990 | EP0376130A2 2-Cycle engine |
| 07/04/1990 | EP0375789A1 Two-stroke internal combustion engine |
| 07/03/1990 | US4938213 Two-stroke engine |
| 06/21/1990 | DE3842802A1 Double-piston assembly, especially internal combustion engine |
| 06/19/1990 | US4934345 Two-cycle internal combustion engine |
| 05/30/1990 | EP0370999A1 Two-stroke internal combustion engine |
| 05/29/1990 | US4928636 In a two-cycle internal combustion engine |
| 05/15/1990 | US4924824 Two stroke engines |
| 05/10/1990 | DE3837660A1 Reciprocating piston internal combustion engine with forced ventilation during each crankshaft revolution |
| 05/10/1990 | DE3837502A1 Two-stroke engine with scavenging and supercharging |
| 05/10/1990 | DE3837002A1 Operating method and device for a two-stroke double-chamber internal combustion engine with forcibly reversed scavenging flow process |
| 05/09/1990 | EP0366712A1 Exhaust valve throttling mechanism for two-stroke engine |
| 05/08/1990 | US4922865 Two-stroke-cycle uniflow spark-ignition engine |
| 05/03/1990 | DE3836904A1 Supercharged single-stroke engine |
| 05/01/1990 | US4920933 V-shaped two cycle engine for outboard |
| 05/01/1990 | US4920932 Relating to controlling emissions from two stroke engines |
| 05/01/1990 | US4920790 Method and means for determining air mass in a crankcase scavenged two-stroke engine |
| 04/24/1990 | US4919088 Two cycle engine scavenging heat control |
| 04/19/1990 | DE3933234A1 Two=stroke IC engine with gas inlet in cylinder head - has inlet port preceded by slide valve and at TDC piston position |
| 04/19/1990 | DE3933105A1 Two=stroke IC engine with charge change control - has passage with piston adjustable cross=section, connected to top of combustion chamber for charge change |
| 04/17/1990 | US4917073 Two stroke engine and method of designing same |
| 04/10/1990 | US4915128 Automatic chambered flap valve for controlling gas passage, particularly for feeding two-stroke internal combustion engines |
| 04/04/1990 | CN1007443B Method by load change in two-stroke verbernnungskraftmaschine and verbernnungskraftmaschine by exercise of this method |
| 04/03/1990 | US4913100 Double piston engine |
| 03/21/1990 | EP0358655A1 Process and device for equipping a post-filling two-stroke engine. |
| 03/14/1990 | CN1040415A Hood for covering over space between v-shaped arranged banks of cylinder of internal combustion engine |
| 03/13/1990 | US4907549 Scavenging system for a two-stroke-cycle engine |
| 03/13/1990 | US4907544 Turbocharged two-stroke internal combustion engine with four-stroke capability |
| 03/08/1990 | WO1990002253A1 A two-stroke cycle engine |
| 03/06/1990 | US4905646 Two-stroke internal combustion engine with cylinder head valves |
| 02/27/1990 | US4903482 Two-stroke otto cycle engines |
| 02/13/1990 | US4899698 Combustion chamber for two-stroke reciprocating engine, and and engine making use thereof |
| 02/06/1990 | US4898127 Two-stroke cycle engine with vacuum pulse balancing system |
| 01/31/1990 | CN1039284A Improvements relating to fuel injection system for internal combustion engines |
| 01/25/1990 | WO1990000673A1 Shroud for covering the space between cylinder rows of a v-shaped internal combustion engine |
| 01/25/1990 | DE3822771A1 Internal combustion engine with throttle control by piston halves divided transversely to the cylinder axis |
| 01/16/1990 | US4893596 Combustion chamber for spark ignited engine |
| 01/11/1990 | WO1990000222A1 Two-cycle internal combustion engine |
| 01/10/1990 | CN1038685A 内燃机 Internal combustion engine |
| 01/09/1990 | US4892066 Multi-cylinder two-stroke engine with reduced cost and complexity |
| 01/03/1990 | EP0349179A2 Two stroke engines |
| 01/03/1990 | EP0349149A2 Two-stroke engines |
| 01/02/1990 | US4890587 Internal combustion engine |
| 12/27/1989 | EP0252935B1 Two-stroke internal combustion engine |
| 12/20/1989 | EP0346797A2 Two-stroke combustion engine with a carburettor |
| 12/20/1989 | EP0346675A2 Decompression device in a two-cycle engine |
| 12/13/1989 | EP0346188A1 Device and method for the introduction of a pressurized air-fuel mixture into the cylinder of an engine |
| 12/13/1989 | EP0345436A1 Two-stroke double piston engine |
| 12/12/1989 | US4886021 Multi-cylindered two stroke cycle engines |
| 11/28/1989 | US4883030 Combustion chamber of a two-stroke engine |
| 11/23/1989 | EP0342893A1 Internal combustion engine |
| 11/21/1989 | US4881513 Two-cycle internal combustion engine |
| 11/16/1989 | WO1989011026A1 Method of and apparatus for improving the operation of an engine |
| 11/15/1989 | EP0341938A2 Internal combustion engine |
| 11/07/1989 | USH701 Two cycle internal combustion engine |
| 11/02/1989 | EP0339969A2 Two-stroke otto cycle engines |
| 11/02/1989 | DE3812982A1 Internal combustion engine working on the four-stroke principle with new technology |
| 10/31/1989 | US4876999 Two-stroke engine |
| 10/18/1989 | EP0337768A2 An Internal combustion engine |
| 10/18/1989 | EP0337620A1 Exhaust timing changing system |
| 10/17/1989 | US4873946 Two-cycle internal combustion engine |
| 10/17/1989 | US4873825 Positive displacement engine compounded with a gas turbine engine |
| 10/10/1989 | US4872433 Combustion chamber configurations for two cycle engines |
| 10/05/1989 | WO1989009329A1 Process and device for supplying air to a supercharged two-stroke engine with at least one set of two cylinders arranged at 180° |
| 10/05/1989 | WO1989009328A1 Process and device for scavenging the cylinder of a two-stroke engine, with supercharging by the effect of post-filling, and engine related thereto |
| 10/03/1989 | US4870928 Two-cylinder engine |
| 09/26/1989 | CA1260343A1 Exhaust gas recirculation system for crankcase scavenged two cycle engine |
| 09/12/1989 | US4864980 Exhaust valve throttling mechanism for two-stroke engine |
| 09/12/1989 | US4864979 Combustion engine |
| 08/30/1989 | EP0329827A1 Automatic chambered flap valve for controlling gas passage, particularly for feeding two-stroke internal combustion engines |
| 08/23/1989 | EP0220223B1 Two-stroke engine with controlled valves |
| 08/17/1989 | DE3902504A1 Two-stroke motor with stratified air scavanging |
| 08/08/1989 | US4854280 Two-stroke internal combustion engine and cylinder head for the latter |
| 07/26/1989 | CN1034247A Combustion chamber of two-stroke engine |
| 07/18/1989 | US4848279 Air-injection device for two-stroke engines |
| 07/11/1989 | US4846126 Natural gas fuel injection |
| 06/26/1989 | EP0305504A4 High pressure reciprocator components. |
| 06/22/1989 | DE3741512A1 Two-stroke internal combustion engine, in particular for driving motor vehicles |
| 06/21/1989 | EP0320959A2 Natural gas fuel injection |
| 06/20/1989 | US4840147 Combustion chamber of a two-stroke engine |
| 06/06/1989 | US4836153 Two-piston internal combustion engines |
| 06/06/1989 | US4835965 "Y" equal length exhaust system for two-cycle engines |
| 05/30/1989 | US4834034 Internal combustion engines |
| 05/24/1989 | CN1033091A Method of controlling closing movement of hydraulically activated exhaust valve in marine diesel engine, and exhaust valve for use in this method |
| 05/18/1989 | WO1989004420A1 Improved exhaust valve throttling mechanism for two-stroke engine |
| 05/18/1989 | DE3737184A1 Double-piston internal combustion engine with a central control groove or separate rinsing and charging |
| 05/16/1989 | US4829946 Exhaust control valve for two-stroke cycle engines and process for using the same |
| 05/09/1989 | US4827882 Internal regenerative combustion engines with thermal integrated optimized system |
| 05/03/1989 | EP0314532A1 Combustion chamber for a reciprocating piston-type two-stroke engine |
| 05/02/1989 | US4825821 Carburetor pulse-back damping system for 2-cycle internal combustion engine |
| 04/18/1989 | US4821687 Two-stroke engine |
| 04/18/1989 | US4821686 Two-stroke internal combustion engine with cylinder head valves |
| 04/12/1989 | EP0311499A1 Two-stroke engine with pneumatic injection and exhaust flow throttle |
| 04/11/1989 | US4819590 Control valve driving device in an internal combustion engine |
| 03/28/1989 | US4815421 Internal combustion engine with adjustable flow exhaust system |
| 03/28/1989 | US4815420 Two-stroke internal combustion engine |
| 03/23/1989 | WO1989002519A1 Idling system for multi-cylinder two-stroke engine |
| 03/23/1989 | WO1989002518A1 Exhaust control valve for two-stroke cycle engines and process for using the same |
| 03/23/1989 | DE3729998A1 Charge cycle control for an internal combustion engine |
| 03/21/1989 | US4813395 Two-cycle engine and method of operation |