| Patents for F02B 25 - Engines characterised by using fresh charge for scavenging cylinders (3,434) |
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| 06/11/1992 | DE4203327A1 Combustion chamber for two=stroke diesel engine - has concentric ring located around combustion chamber |
| 06/09/1992 | US5119771 Vertical three cylinder two cycle engine with single carburetor and manifold combination |
| 06/09/1992 | US5119769 Vertical three cylinder two cycle engine with single carburetor |
| 06/03/1992 | EP0358655B1 Process and device for equipping a post-filling two-stroke engine |
| 06/03/1992 | EP0305504B1 High pressure reciprocator components |
| 05/27/1992 | CN2105559U Jet two-stroke gasoline engine |
| 05/26/1992 | US5115776 Internal combustion engine |
| 05/26/1992 | US5115774 Internal combustion engine |
| 05/19/1992 | US5113810 Multi-cylinder two-cycle engine having improved transfer passage structure |
| 05/14/1992 | DE4200052A1 Direct current-scavenged two=stroke engine - involves slot in one cylinder connected by channel to slot in other cylinder |
| 05/14/1992 | DE4141384A1 Oscillating drive for two=stroke engine - involves at least two engine cylinders with inlet-controlling piston acting on common crankshaft |
| 05/13/1992 | CN2104306U Escape valve type small two-stroke gasoline engine |
| 05/12/1992 | CA1300517C Multi-cylindered two stroke cycle engines |
| 05/06/1992 | EP0484226A1 Two-stroke engine |
| 05/05/1992 | US5109810 Two cycle internal combustion hydrocycle engine |
| 04/29/1992 | EP0482662A1 A two cycle internal combustion engine |
| 04/29/1992 | EP0481972A1 PROCESS AND DEVICE FOR SUPPLYING AIR TO A SUPERCHARGED TWO-STROKE ENGINE WITH AT LEAST ONE SET OF TWO CYLINDERS ARRANGED AT 180o. |
| 04/28/1992 | US5107810 Impingement combustion chamber of internal-combustion engine |
| 04/21/1992 | US5105775 Two-stroke engine with controlled pneumatic injection |
| 04/07/1992 | US5101794 Internal combustion engine |
| 04/01/1992 | EP0475947A4 Internal combustion engine |
| 04/01/1992 | EP0426660B1 Method of and apparatus for improving the operation of an engine |
| 04/01/1992 | EP0379538B1 Shroud for covering the space between cylinder rows of a v-shaped internal combustion engine |
| 03/26/1992 | DE4030116A1 Two=stroke IC engine - functions as Otto and-or Diesel unit using lubricant-free thin air-fuel mixt. |
| 03/25/1992 | EP0475947A1 Internal combustion engine |
| 03/25/1992 | CN2099843U Gas brooming system for double stroke gasoline engine |
| 03/24/1992 | CA1297647C Combination of an injecting unit and plasticizing unit for an injection molding machine |
| 03/18/1992 | EP0371970B1 two-cycle engine |
| 03/17/1992 | CA1297415C "y" equal length exhaust system for two-cycle engines |
| 03/17/1992 | CA1297412C Two-cycle internal combustion engine |
| 03/11/1992 | EP0474623A2 Externally ignited two stroke internal combustion engine with crankcase scavening |
| 03/11/1992 | EP0473992A1 A two-stroke diesel engine |
| 03/03/1992 | US5092288 Spray rail reed block |
| 02/25/1992 | US5090363 Two-cycle engine with pneumatic fuel injection and flow restriction in at least one transfer passageway |
| 02/13/1992 | DE4025556A1 Two=stage IC engine - involves unsymmetrical scavenging in stages with air and over stoichiometric fuel-air mixt. |
| 02/11/1992 | US5086735 Reciprocating internal combustion engines of the two-stroke type |
| 02/04/1992 | US5085180 Crank chamber structure for two cycle internal combustion engine |
| 01/29/1992 | EP0468014A1 Improvements to two-stroke internal combustion engines with diesel-type compression ignition. |
| 01/21/1992 | US5081961 Internal combustion engine with rotary exhaust control |
| 01/16/1992 | DE4109538A1 High-economy two=stroke IC engine - with synchronised fuel injection and outlet valve operation |
| 01/15/1992 | EP0465500A1 Stepped piston engine. |
| 01/08/1992 | EP0464622A1 A two-stroke engine |
| 01/08/1992 | EP0464594A1 An internal combustion engine |
| 01/02/1992 | EP0463613A1 A two-stroke engine |
| 01/01/1992 | CN2091955U 改进型两冲程气缸 Improved cylinder two-stroke |
| 12/26/1991 | WO1991019889A1 Internal combustion engine and an improved rotary inlet valve for use therewith |
| 12/19/1991 | DE4019321A1 Two=stroke IC engine - is supplied with air under pressure via ports in cylinder wall |
| 12/18/1991 | CN1057091A Two stroke internal combustion engine |
| 12/18/1991 | CN1015124B Method of controlling closing movement of hydraulically activated exhaust valve in marine diesel engine, and exhaust valve for use in this method |
| 12/17/1991 | US5072699 Internal combustion engine |
| 12/11/1991 | EP0460820A1 Two stroke engines |
| 12/11/1991 | EP0460030A1 Engine supercharger and inlet manifold arrangement. |
| 12/10/1991 | US5070834 Diesel engine with a precombustion chamber |
| 12/04/1991 | EP0459848A1 Improvements in two-stroke internal combustion engine of the reciprocating piston type |
| 12/04/1991 | CN1015018B Internal combustion engine |
| 11/26/1991 | US5067453 Piston of two-cycle engine |
| 11/21/1991 | EP0457753A1 Two cycles engine |
| 11/20/1991 | CN1014816B Method and apparatus for supplying oil for two-cycle engine |
| 11/19/1991 | US5065712 Internal combustion engines |
| 11/19/1991 | US5065711 Internal combustion engines |
| 11/14/1991 | WO1991017348A1 Internal combustion engine |
| 11/13/1991 | EP0347428B1 Two-cycle engine and method of operation |
| 11/12/1991 | US5063890 2-cycle internal combustion engine |
| 11/12/1991 | US5063888 Exhaust control valve system for parallel multi-cylinder two-cycle engine |
| 11/12/1991 | US5063887 Exhaust control valve system for parallel multi-cylinder two-cycle engine |
| 11/12/1991 | US5063886 Two-stroke engine |
| 11/12/1991 | US5063881 Ceramic engine |
| 11/05/1991 | US5062396 Device and method for introducing a carburetted mixture under presssure into the cylinder of an engine |
| 11/05/1991 | US5062395 Two-stroke internal combustion engine |
| 10/31/1991 | DE4118254A1 High-power reverse-flow-scavenged two-stroke engine - features supercharging by continued admission of air through diaphragm control to scavenging port before fuel injection |
| 10/29/1991 | US5060609 Internal combustion engine |
| 10/29/1991 | US5060602 Device for controlling or monitoring the start of introduction under pressure, of a fuel-air mixture following scavenging of an engine cylinder by air |
| 10/22/1991 | US5058537 Optimized high pressure internal combustion engines |
| 10/09/1991 | EP0450509A1 Internal combustion engine with at least an exhaust port in the cylinder |
| 10/08/1991 | US5054444 Fuel injection control system for a two-cycle engine |
| 10/08/1991 | US5054441 Decompression device in a two-cycle engine |
| 09/17/1991 | US5048473 Method and apparatus for equipping a two-stroke engine which is self-supercharged by post-charging and in which an admission duct provides pre-exhaust into a storage chamber |
| 09/11/1991 | CN1054473A 内燃机 Internal combustion engine |
| 08/22/1991 | WO1991012419A1 Improvements to two-stroke internal combustion engines with diesel-type compression ignition |
| 08/21/1991 | CN1013606B Improement relating to fuel injection system for internal combustion engines |
| 08/20/1991 | US5040496 Two-stroke internal combustion engine |
| 08/08/1991 | DE4102037A1 Engine with combustion-chamber scavenging - has valves delivering combustion air and mixture separately with fuel injector |
| 08/06/1991 | US5036801 Double cycle internal combustion engine |
| 07/23/1991 | US5033419 Scavenge control system |
| 07/23/1991 | US5033418 Pressurized carburetted mixture introduction device and method |
| 07/23/1991 | CA1286557C Controlling emissions from two stroke engines |
| 07/16/1991 | US5031582 Internal combustion engine providing scavenging with combustion chamber volume control |
| 07/04/1991 | DE3943150A1 Engine with divided stroke gas change - has outlet slits and slide lips for longer combustion stroke than compression stroke |
| 07/03/1991 | EP0435730A1 Two-stroke engine with controlled pneumatic injection |
| 07/02/1991 | US5027757 Two-stroke cycle engine cylinder construction |
| 06/26/1991 | EP0434116A1 A piston and cylinder arrangment, more especially for a reciprocator or a high pressure internal combustion engine |
| 06/26/1991 | EP0433561A1 A diesel engine with a precombustion chamber |
| 06/25/1991 | US5025765 Heat-insulated four-cycle engine with prechamber |
| 06/19/1991 | EP0432950A1 Internal combustion engines |
| 06/19/1991 | CN1012913B Scavenge valve for two-cycle engine |
| 06/12/1991 | EP0431920A1 Internal combustion engine |
| 06/12/1991 | EP0431866A1 Internal combustion engines |
| 06/11/1991 | US5022367 Engine brake system of a two-cycle engine for a motor vehicle |
| 06/11/1991 | US5022353 Variable-cycle engine |
| 06/04/1991 | US5020487 Internal combustion engine with load-responsive valve control for combustion chamber scavenging |