| Patents for F02B 23 - Other enginescharacterised byspecial shape or construction of combustion chambers to improve operation (6,474) |
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| 08/30/1989 | EP0330323A2 Oilless internal combustion engine having gas phase lubrication |
| 08/30/1989 | CN1035161A Guide ring mounted in the combustion room of a direct-spraying type diesel engine |
| 08/22/1989 | US4858579 Fuel-injection for direct-injection diesel engine |
| 08/22/1989 | US4858578 Fuel injection nozzle arrangement |
| 08/22/1989 | US4858567 Internal combustion engine |
| 08/16/1989 | EP0327546A1 Pressure ignited combustion engine. |
| 08/09/1989 | CN2042517U Petrol engine |
| 08/01/1989 | US4852525 Combustion chamber in internal combustion engine |
| 07/11/1989 | US4846138 Low profile internal combustion engine |
| 07/05/1989 | EP0207944B1 Method of squeeze forming metal articles |
| 07/04/1989 | US4844025 Dual spark plug combustion chamber |
| 07/04/1989 | US4843698 Process for the production of a cast piston upper part of a two-part piston |
| 07/04/1989 | CA1256761A1 Internal combustion engine piston and a method of producing the same |
| 06/21/1989 | EP0321159A2 Heat insulating engine |
| 06/20/1989 | US4840147 Combustion chamber of a two-stroke engine |
| 06/15/1989 | DE3838855A1 Internal combustion engine |
| 06/13/1989 | US4838222 Combustion chamber for internal combustion engines |
| 06/13/1989 | CA1255554A1 Reinforced pistons |
| 06/08/1989 | DE3830033A1 Built, oil-cooled piston for internal combustion engines |
| 06/01/1989 | WO1989004916A1 Modification kit for oil-cooled cylinder head |
| 05/30/1989 | US4834035 Variable swirl intake apparatus for engine |
| 05/24/1989 | EP0316330A1 Piston upper part with incorporated support bearings for supporting the piston pin of a piston engine. |
| 05/23/1989 | US4831917 Multiple piece piston for an internal combustion engine |
| 05/16/1989 | US4829958 Device and method for introducing pressurized gas into a combustion chamber of a reciprocating internal combustion engine |
| 05/10/1989 | EP0315328A1 Pneumatic direct cylinder fuel injection system |
| 05/03/1989 | EP0314532A1 Combustion chamber for a reciprocating piston-type two-stroke engine |
| 05/03/1989 | EP0313583A1 Fuel injection for direct-injection diesel engine. |
| 05/02/1989 | US4825828 Direct fuel injection |
| 05/02/1989 | US4825817 Replaceable combustion chamber for two-cycle engines |
| 04/26/1989 | EP0313340A2 Heat insulating combustion chamber and method of producing the same |
| 04/20/1989 | WO1989003520A1 Ionisation sensor |
| 04/18/1989 | US4821687 Two-stroke engine |
| 04/13/1989 | DE3733601A1 Light alloy piston for internal combustion engines |
| 04/11/1989 | CA1252269A1 Method and apparatus for disposal of toxic wastes by combustion |
| 04/05/1989 | EP0309458A1 Flame incubating and propagating apparatus for a fuel combustion system. |
| 03/15/1989 | EP0172253B1 Combustion chamber structure for diesel engines |
| 03/14/1989 | US4811708 Combustion space for a reciprocating piston internal combustion engine |
| 03/14/1989 | CA1251010A1 Cast metal composite article |
| 03/09/1989 | DE3728167A1 Heavy oil engine with bowl-in pistons |
| 03/08/1989 | EP0305531A1 Combustion system for internal combustion engine and combustor used therefor |
| 03/07/1989 | US4809506 Engine plant comprising a plurality of turbo-charged combustion engines |
| 03/02/1989 | DE3742574C1 Internal-combustion engine with a combustion space in the piston head |
| 02/28/1989 | US4807579 Turbocompounded two-stroke piston engines |
| 02/28/1989 | US4807572 Timing of fuel injected engines |
| 02/23/1989 | DE3727038A1 Naturally aspirated internal combustion engine with quench gaps in the combustion chamber |
| 02/21/1989 | US4805518 Piston |
| 02/15/1989 | EP0303444A2 Combustion chamber for diesel engines |
| 02/01/1989 | EP0302045A2 Two-stroke engine |
| 01/31/1989 | US4800855 Spontaneous-combustion engine |
| 01/24/1989 | US4799465 Combustion chamber for internal combustion engines |
| 01/18/1989 | EP0299747A2 Lean burn internal combustion engine |
| 01/18/1989 | EP0299679A2 Cooling system for heat insulating engine |
| 01/18/1989 | EP0299385A2 Two-stroke engine |
| 01/17/1989 | US4798183 Swirl chamber type combustion chamber for diesel engine |
| 01/05/1989 | DE3720865A1 Air-compressing internal combustion engine, particularly a diesel engine |
| 01/04/1989 | EP0297253A1 Arrangement of the fuel injection valve in a reciprocating piston type internal combustion engine |
| 12/28/1988 | CA1247476A Reinforced pistons |
| 12/28/1988 | CA1247475A Internal combustion engine piston and a method of producing the same |
| 12/27/1988 | US4793305 High turbulence combustion chamber for turbocharged lean burn gaseous fueled engine |
| 12/21/1988 | EP0295520A2 Combustion chamber in a direct injection type diesel engine |
| 12/21/1988 | EP0295481A2 Pistons |
| 12/20/1988 | US4791899 Acoustic detonation suppression in internal combustion engine |
| 12/14/1988 | EP0294637A2 Diesel engine |
| 12/13/1988 | US4790270 Direct fuel injected engines |
| 12/06/1988 | US4788942 Internal combustion engine using dynamic resonating air chamber |
| 12/01/1988 | WO1988009430A1 Combustion promoter for internal combustion engines |
| 11/30/1988 | CN88102879A Engine plant comprising a plurality of turbocharged combustion engines |
| 11/29/1988 | US4787349 Ignition device for air-compressing internal combustion engine |
| 11/29/1988 | US4787341 Pressure assist piston for internal combustion engine |
| 11/22/1988 | US4785776 In an internal combustion engine |
| 11/17/1988 | WO1988008926A1 Provision for the combustion chamber surfaces of an internal combustion engine |
| 11/15/1988 | US4784097 Combustion chamber for internal combustion engine |
| 11/08/1988 | US4782801 Internal combustion motor |
| 11/01/1988 | US4781159 Composite piston for use in the cylinder of a diesel engine |
| 11/01/1988 | US4781154 Two-cycle internal combustion engine |
| 10/27/1988 | DE3712231A1 System for speeding up combustion in the diesel engine |
| 10/25/1988 | US4779587 Valve-controlled compression-ignition engine |
| 10/20/1988 | DE3811774A1 Internal combustion engine |
| 10/19/1988 | EP0286745A1 Internal combustion engine |
| 09/27/1988 | US4773382 Head for high performance internal combustion engine |
| 09/20/1988 | US4771754 Pneumatic direct cylinder fuel injection system |
| 09/20/1988 | US4771748 Spark-ignition, air-compressing, internal combustion engine |
| 09/13/1988 | US4770139 Engine combustion chamber structure |
| 09/13/1988 | US4770138 Fuel injection type internal combustion engine |
| 09/08/1988 | DE3706592A1 Internal combustion engine |
| 09/08/1988 | DE3705047A1 Four-stroke engine acting for all internal combustion engines |
| 08/25/1988 | WO1988006231A1 Combustion system for internal combustion engine and combustor used therefor |
| 08/23/1988 | US4765293 Hybrid internal combustion reciprocating engine |
| 08/18/1988 | DE3802714A1 Zweiteiliger kolben fuer brennkraftmaschinen Two-piece piston for internal combustion machinery |
| 08/16/1988 | US4763624 Combustion engine |
| 08/16/1988 | US4763622 Internal combustion engine of the spark ignition type |
| 08/10/1988 | EP0277296A2 Combustion chamber for a reciprocating piston internal combustion engine |
| 08/09/1988 | US4762104 Tj-jet chamber of gasoline engine |
| 08/04/1988 | DE3701722A1 Internal combustion engine, especially for motor vehicles |
| 07/26/1988 | US4759323 Combustion engine with one or more "squish" spaces between the piston and the cylinder head |
| 07/26/1988 | US4759319 Internal combustion engine |
| 07/21/1988 | DE3800651A1 Two-stroke internal combustion engine with cylinder head valves |
| 07/20/1988 | CN87210334U Squeezing-and-flowing-nozzle type oil-film atomizing combustion chamber |
| 07/14/1988 | DE3713191C1 Method for the manufacture of a forged head of a two-part piston for internal combustion engines |
| 07/14/1988 | DE3644747A1 Internal combustion engine with flame retainer and combustion chamber insulation |