| Patents for F02B 69 - Internal-combustion engines convertible into other combustion-engine type, not provided for in group; Internal-combustion engines of different types characterised by constructions facilitating use of same main engine-parts in different types (1,005) |
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| 10/25/2001 | DE10019742A1 Deactivating fuel injection piston combustion engine cylinder(s) involves increasing rate of air feed to cylinders to reduce fuel component in air inlet channels while catalytic cleaning is active |
| 10/24/2001 | EP1147298A1 Four-stroke internal combustion engine |
| 10/24/2001 | CN1318689A Top set single-pore cooling-less muliple-system reciprocationg plunger internal combustion engine |
| 10/10/2001 | CN2453140Y Piston compressing air rotator type engine using liquid or gaseous fuel |
| 10/10/2001 | CN1316583A Method for operating compression ignition engine |
| 09/27/2001 | US20010023667 Control system for controlling variable valve type internal combustion engine |
| 09/26/2001 | EP1136678A2 Control system for controlling variable valve type internal combustion engine |
| 09/25/2001 | US6293232 Multi-fuel engine |
| 09/19/2001 | EP1133626A1 Method of controlling the process of combustion in an internal combustion engine, and engine with means for varying the effective compression ratio of the cylinders |
| 09/11/2001 | US6286467 Two stroke engine conversion |
| 09/11/2001 | US6286466 Internal-combustion engine |
| 08/30/2001 | WO2001063107A1 Internal combustion engines |
| 08/21/2001 | US6276345 Dual fuel system for an internal combustion engine |
| 08/16/2001 | WO2001059285A2 Method and apparatus for gaseous fuel introduction and controlling combustion in an internal combustion engine |
| 08/16/2001 | WO2001059280A1 Method and apparatus for dual fuel injection into an internal combustion engine |
| 08/16/2001 | CA2398149A1 Method and apparatus for dual fuel injection into an internal combustion engine |
| 08/09/2001 | WO2001057378A1 Internal combustion engine that can be optionally operated in the two-stroke or the four-stroke mode |
| 08/09/2001 | DE10004528A1 Wahlweise mit 4-Takt-Betrieb oder 2-Takt-Betrieb betreibbare Brennkraftmaschine Operated either with 4-stroke mode or 2-stroke internal combustion engine operation |
| 07/10/2001 | US6257176 Variable cycle internal combustion engine and controller thereof |
| 07/04/2001 | EP1112443A1 Engine conversions |
| 06/28/2001 | DE19962024A1 I.C. engine with alternating Otto and diesel operation comprises cylinder-piston arrangement with specified compression ratio during given operations and lambda probe |
| 06/26/2001 | US6250261 Device for feeding natural compressed gas to a diesel engine |
| 06/19/2001 | US6247441 Fuel injection control system |
| 06/13/2001 | EP1106803A2 Method of operating a compression ignition engine |
| 06/13/2001 | CN1299439A Multi-fuel engine |
| 05/29/2001 | US6237562 Method of controlling compression ignition internal combustion engine |
| 04/26/2001 | DE19951093A1 Operating method for multi-cylinder IC engine provides mixed operating mode with 2 different sets of engine cylinders simultaneously operated in 2-stroke and 4-stroke modes |
| 04/10/2001 | US6213086 Combustion engine |
| 03/21/2001 | EP1085192A2 Compression autoignition gasoline engine |
| 03/21/2001 | EP1084340A1 Multi-fuel engine |
| 03/20/2001 | US6202601 Method and apparatus for dual fuel injection into an internal combustion engine |
| 01/31/2001 | CN1281938A Methyl alcohol engine having no need of water cooling |
| 01/04/2001 | WO2001000974A1 Internal combustion engine and method for operating an internal combustion engine |
| 12/27/2000 | EP1063399A2 Process for controlling the phase of switching of fuel in an internal-combustion engine designed to operate selectively with gasoline and gas |
| 11/30/2000 | WO2000071875A1 Method for operating a four-stroke reciprocating internal combustion engine with alternating compression ignition and externally supplied ignition |
| 11/30/2000 | DE19923413A1 Verfahren zum Betrieb einer im Viertakt arbeitenden Hubkolben-Brennkraftmaschine mit wechselnder Kompressions- und Fremdzündung Method of operating a four-stroke operating in the reciprocating internal combustion engine with alternating compression ignition and spark ignition |
| 11/29/2000 | CN2408245Y Four stroke gasoline engine |
| 11/02/2000 | WO2000065212A1 Sturman power module and methods of operation |
| 10/04/2000 | EP1040264A1 Method and apparatus for detecting gaseous fuel leakage through a gaseous fuel admission valve within an engine |
| 08/22/2000 | US6105550 Method for operation of a four-stroke reciprocating internal combustion engine |
| 08/17/2000 | DE19904450A1 Internal combustion engine for alternative fuels, in which stroke can be varied |
| 08/01/2000 | US6095112 Reciprocating piston engine |
| 07/27/2000 | WO2000043655A1 Four-stroke internal combustion engine |
| 07/26/2000 | EP1022447A2 Engine mounting apparatus and fuel delivery system and related conversion kit. |
| 07/19/2000 | CN1260444A Independent lubricating system |
| 06/29/2000 | DE19857734A1 Opposed piston engine has Hall sensor arrangement for changing induction valve between two, four stroke modes, holding magnet controlling valve during compression, control electronics |
| 06/28/2000 | EP1013901A1 An independent system of lubrication |
| 06/28/2000 | CN1258337A 内燃机 Internal combustion engine |
| 06/22/2000 | WO2000036288A2 Pairing of combustion chambers in engines |
| 05/18/2000 | WO2000028199A1 Two-stroke engine |
| 05/18/2000 | WO2000028198A1 Method of controlling the process of combustion in an internal combustion engine, and engine with means for varying the effective compression ratio of the cylinders |
| 05/17/2000 | EP1000232A1 Internal combustion engine |
| 04/04/2000 | US6044806 Method and apparatus for detecting gaseous fuel leakage through a gaseous fuel admission valve within an engine |
| 03/23/2000 | WO2000015953A1 Engine conversions |
| 01/20/2000 | DE19831046A1 Reference internal combustion engine for design and property relationship uses releasably joined function groups combined to reveal effect of shape and material changes |
| 01/05/2000 | DE19829306A1 Crankshaft for engine block of internal combustion engine |
| 12/23/1999 | DE19927479A1 Procedure for running IC engine driven not only by spark-ignited but also self-igniting fuel, especially petrol |
| 12/14/1999 | US6000372 Cylinder head for use for crankcase having various cylinder-bore diameters |
| 11/25/1999 | DE19818596A1 Four-stroke internal combustion engine operating process |
| 11/11/1999 | WO1999057427A1 Multi-fuel engine |
| 09/16/1999 | DE19810933A1 Reciprocating piston combustion engine e.g. diesel engine |
| 08/10/1999 | US5934257 Control device for internal combustion engine |
| 08/04/1999 | EP0933518A2 Mixer plate for an internal combustion engine |
| 07/28/1999 | CN1224483A Fuel supply system for IC engines |
| 07/08/1999 | DE19800274A1 Device and procedure for equipping of Diesel and Otto engines with electrically controlled Diesel high pressure direct injection |
| 07/01/1999 | WO1999032775A1 Method and apparatus for detecting gaseous fuel leakage through a gaseous fuel admission valve within an engine |
| 06/10/1999 | WO1999028607A1 Adaptive modular multifuel internal combustion engine |
| 05/12/1999 | EP0914545A1 Four-cycle engines with two-cycle compression release braking |
| 04/06/1999 | US5890459 System and method for a dual fuel, direct injection combustion engine |
| 03/30/1999 | US5887574 Liquid fuel injection system |
| 03/25/1999 | DE19741566A1 Piston engine operable by liquid or gaseous fuel |
| 03/17/1999 | EP0715684B1 Gas combustion engine, |
| 03/16/1999 | US5881701 Method and apparatus for providing multipoint gaseous fuel injection to an internal combustion engine |
| 03/09/1999 | US5878730 Lawn mower powered by alternative fuels using a fuel injector adapted for gaseous fuels |
| 02/10/1999 | EP0896146A2 Cylinderhead for a crankcase with various cylinder bores |
| 02/10/1999 | EP0896140A1 Steam engine with integrated condensation |
| 01/26/1999 | US5862789 Applied ignition internal combustion engine whose pistons have elliptical recesses |
| 01/13/1999 | CN2303931Y Gas-oil double fuel apparatus for motor vehicle |
| 12/01/1998 | CA2027875C Combustion system for dual fuel engine |
| 11/25/1998 | EP0879346A1 Liquid fuel injection system |
| 11/10/1998 | US5832905 Method and apparatus for providing multipoint gaseous fuel injection to an internal combustion engine |
| 11/05/1998 | WO1998049434A1 Internal combustion engine |
| 11/05/1998 | CA2288071A1 Internal combustion engine |
| 10/07/1998 | CA2202085A1 Internal combustion engine with controlled ignition and pistons with ellipsoid cavities |
| 08/04/1998 | US5787857 Fuel injected internal combustion engine |
| 07/09/1998 | DE19757407A1 Energy recovery system during braking in motor vehicles |
| 06/10/1998 | EP0846850A1 Internal combustion engine having a LPG feeding system |
| 06/10/1998 | EP0846848A1 Two-stroke Twin-injector-per-cylinder engine |
| 06/04/1998 | CA2222368A1 Internal combustion engine having a lpg feeding system |
| 06/03/1998 | CN1183826A 液体燃料喷射系统 A liquid fuel injection system |
| 05/07/1998 | DE19747614A1 Control device for two-stroke engine with fuel injection |
| 05/05/1998 | US5746175 Four-cycle internal combustion engines with two-cycle compression release braking |
| 03/11/1998 | EP0828061A1 Exhaust pulse boosted engine compression braking method |
| 03/11/1998 | CN1175659A Gas converted internal combustion engines |
| 03/10/1998 | US5724939 Exhaust pulse boosted engine compression braking method |
| 03/05/1998 | CA2211157A1 Exhaust pulse boosted engine compression braking method |
| 02/19/1998 | DE19633176A1 Two=stroke internal combustion engine cylinder mounting plate |
| 02/03/1998 | US5713336 Method and apparatus for providing multipoint gaseous fuel injection to an internal combustion engine |
| 01/29/1998 | WO1998003786A1 Supply system for internal combustion engines |
| 01/29/1998 | WO1998003777A1 Four-cycle engines with two-cycle compression release braking |