| Patents for F02P 15 - Electric spark ignition having characteristics not provided for in, or of interest apart from, groups (2,983) |
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| 05/18/1994 | CN2165247Y Spark strengthening device |
| 05/17/1994 | US5311854 Two-cycle internal combustion engine with reduced unburned hydrocarbons in the exhaust gas |
| 05/11/1994 | EP0596471A2 Alternative current ignition system for combustion engines with control of the ignition energy |
| 05/03/1994 | US5307785 Ignition system for multi-valve engine |
| 04/28/1994 | WO1994009271A2 Multiple spark ignition system integrated head gasket for spark-ignition engine |
| 04/27/1994 | CN2163246Y Secondary spark-over wiring joint |
| 04/21/1994 | DE4235204A1 Zündanlage für einen Ottomotor Ignition system for a gasoline engine |
| 04/14/1994 | DE4233897A1 Ignition coil for IC engine - has one coil per spark plug placed over threaded peg with boss screwed down over it |
| 04/12/1994 | US5301502 After-burner system |
| 04/07/1994 | DE4333974A1 Vehicle IC engine ignition system - uses one coil per plug and has coils joined in series for cylinders having simultaneous compression strokes |
| 03/31/1994 | WO1994007027A1 Process and system for controlling the ignition spark frequency of a multiple spark ignition system |
| 03/31/1994 | WO1994007026A1 Capacitive discharge ignition system with self-triggering solid state switch |
| 03/30/1994 | EP0589603A2 Exciter circuits and methods with protective measures for solid state switches |
| 03/29/1994 | US5297519 Method and apparatus for direct fuel injection in an internal combustion engine |
| 03/29/1994 | US5297510 For an engine |
| 03/22/1994 | US5296999 Igniter assembly |
| 03/22/1994 | US5296997 System for protecting a battery |
| 03/22/1994 | US5296788 System for controlling a motor driven switch |
| 03/17/1994 | WO1994005909A1 Free-running capacitive discharge ignition system with spark frequency control |
| 03/16/1994 | EP0587455A2 Misfire detector using different methods for high and low engine speeds |
| 03/11/1994 | CA2078855A1 Automotive engine |
| 03/10/1994 | DE4229773A1 IC engine cylinder identification for ignition and=or fuel injection control - provides ignition pulse for each second rotation of crankshaft upon abnormal camshaft phase signal |
| 03/09/1994 | EP0586287A1 High energy ignition generator especially for a gas turbine |
| 03/09/1994 | EP0377619B1 High-voltage switch and method to control user circuits by means of this switch |
| 03/05/1994 | CA2105042A1 High-energy ignition generator in particular for a gas turbine |
| 03/03/1994 | DE4328089A1 Ignition coil unit for IC engine - has integral power switch and termination device embedded with coil winding in injection moulded plastics block |
| 02/22/1994 | US5287836 Control system for internal combustion engines |
| 02/17/1994 | WO1994003724A1 Sequence spark ignition system for internal combustion engines wirh special control for the last sequence ignition spark |
| 02/17/1994 | WO1994003723A1 Sequential spark ignition system for internal combustion engines |
| 02/17/1994 | DE4327309A1 Sealed ignition system for IC engine - has ignition coil and transistorised control circuit sealed into housing using alignment insert. |
| 02/10/1994 | DE4226248A1 Zündanlage für Brennkraftmaschinen Ignition system for internal combustion engines |
| 02/10/1994 | DE4226246A1 Zündanlage für Brennkraftmaschinen Ignition system for internal combustion engines |
| 02/09/1994 | EP0582430A1 System and method to determine cam phase and cylinder identification for a variable cam timing engine |
| 02/08/1994 | US5284124 Ignition system for internal combustion engine |
| 02/02/1994 | EP0581508A2 Multiple functions cam sensing |
| 01/20/1994 | DE4323429A1 Ignition system for opposed-cylinder internal combustion engine - uses electronic distribution circuit with paired sparking plugs supplied simultaneously via separate transformers |
| 01/19/1994 | EP0579487A2 Coupling construction |
| 01/19/1994 | CN2153649Y Power-increasing oil-saving igniter for car |
| 01/18/1994 | US5279274 Ignition system for multi-valve engine |
| 01/05/1994 | EP0576493A1 Ignition system without distributor. |
| 12/15/1993 | EP0404763B1 Cylinder recognition apparatus for a distributorless ignition system |
| 12/14/1993 | US5269274 Method and device for an open-loop control system for an internal combustion engine |
| 12/14/1993 | US5269270 Four-stroke cycle internal-combustion engine |
| 12/14/1993 | US5269243 Fuel injected engine |
| 12/08/1993 | EP0572584A1 TRANSMITTER ARRANGEMENT FOR CYLINDER RECOGNITION IN AN INTERNAL COMBUSTION ENGINE WITH n CYLINDERS. |
| 12/07/1993 | US5267542 Electronic control module |
| 12/01/1993 | EP0571383A1 Battery protection system. |
| 11/30/1993 | US5265580 Double coil ignition system for an internal combustion engine |
| 11/25/1993 | DE4217030A1 Two=stroke IC engine with single valve - has ignition duct and large scavenging time cross=section |
| 11/23/1993 | US5263318 After-burner system |
| 11/16/1993 | US5261381 Ignition coil unit for internal combustion engine |
| 11/16/1993 | US5261367 Engine and method for designing same |
| 11/16/1993 | CA1324297C Four stroke internal combustion engine |
| 11/09/1993 | US5259357 Ignition system for internal combustion engine |
| 10/26/1993 | US5255660 Semiconductor switch, in particular as a high-voltage ignition switch for internal combustion engines |
| 10/20/1993 | EP0565655A1 Ignition coil for ignition systems of internal combustion engines. |
| 10/20/1993 | EP0487532B1 Mount for a plug/socket combination |
| 10/12/1993 | US5253143 Housing for an electronic circuit with two separable housing parts |
| 10/12/1993 | US5251600 Arrangement for determining angle of rotation of two rotating parts |
| 10/12/1993 | US5251582 Injectors |
| 10/06/1993 | EP0563066A1 Diagnostic device for detecting defective combustion in an internal combustion engine |
| 09/28/1993 | US5247919 Ignition system for an engine |
| 09/23/1993 | DE4306479A1 Cylinder identification device e.g. for multicylinder IC engine - over-writes second shift-register sequence with corrected version when difference between sequences is ascribed to misfiring |
| 09/22/1993 | EP0560775A1 Electronic oscilator equipment for internal combustion engines |
| 09/21/1993 | US5245968 System to determine cam phase and cylinder identification for a variable cam timing engine |
| 09/14/1993 | US5245252 Apparatus and method for providing ignition to a turbine engine |
| 09/14/1993 | US5243940 Self-igniting reciprocating internal combustion engine |
| 09/07/1993 | US5243257 Surge voltage protector |
| 09/07/1993 | US5241942 Method for installing a plurality of ignition coils on an engine block, and electrical power supply assembly for employing the method |
| 09/02/1993 | DE4305684A1 Electrical cabling e.g. for IC engine ignition coil and fuel injection valve - includes cylinder-head mounted coil or injectors with socket units mating with distribution network on cylinder head cover |
| 08/24/1993 | US5237982 Ignition apparatus for internal-combustion engine |
| 08/18/1993 | EP0555281A1 Electrical circuit |
| 08/17/1993 | US5237279 Ignition and fuel system misfire-detecting system for internal combustion engines |
| 08/10/1993 | US5233964 Universal control of a plurality of fuel injectors for an internal combustion engine |
| 08/10/1993 | US5233961 Control apparatus for an internal combustion engine |
| 08/05/1993 | DE4202835A1 Multiple sparking-plug ignition system for petrol engine - has electronic controller and coils feeding roller distributor having slip-ring corresp. to each spark gap |
| 08/04/1993 | EP0553170A1 Ignition distributor cap with a shielding hood and shielding hood therefor |
| 08/04/1993 | CN2139632Y Ignition device for car speed starting |
| 07/07/1993 | WO1993014544A1 Double ignition system for internal combustion engines, ignition plug for double ignition systems, and electric spark generator |
| 07/07/1993 | EP0549676A1 Spark-ignition engine |
| 06/29/1993 | US5224015 High energy ignition generator in particular for a gas turbine |
| 06/24/1993 | WO1993012341A1 Internal-combustion engine ignition system with ignition control signal suppression |
| 06/24/1993 | WO1993012333A1 TRANSMITTER ARRANGEMENT FOR CYLINDER RECOGNITION IN AN INTERNAL COMBUSTION ENGINE WITH n CYLINDERS |
| 06/24/1993 | DE4141713A1 Geberanordnung zur zylindererkennung bei einer brennkraftmaschine mit n zylindern Transmitter arrangement for cylinder detection in an internal combustion engine with n cylinders |
| 06/22/1993 | US5220903 Electronic ignition system |
| 06/22/1993 | US5220901 Capacitor discharge ignition system with inductively extended discharge time |
| 06/15/1993 | US5218936 Ignition system including spark distribution cassette and ignition coil |
| 06/09/1993 | DE4140416A1 Zuendanlage fuer brennkraftmaschinen Engine-ignition system for |
| 05/27/1993 | DE4239803A1 Ionisation current detector for IC engine ignition monitor - measures ionisation current through ignition coils during combustion of gas mixture |
| 05/26/1993 | EP0543679A1 Ignition system for internal combustion engine having at least two spark plugs par cylinder |
| 05/26/1993 | CN2134499Y Strong multifunction electronic igniter for gasoline engine |
| 05/25/1993 | US5213079 Ignition timing control apparatus |
| 05/19/1993 | EP0383768B1 Ignition device for internal combustion engines |
| 05/18/1993 | USRE34257 Crank angle detecting system for engines |
| 05/13/1993 | WO1993009345A1 Ignition coil for ignition systems of internal combustion engines |
| 05/11/1993 | US5209202 Method of operating an internal combustion engine |
| 05/05/1993 | EP0540375A1 High energy ignition generator, especially for a gas turbine |
| 05/05/1993 | EP0112890B1 Ignition system for an otto-type four-stroke engine |
| 05/04/1993 | US5207209 Motor vehicle |
| 05/04/1993 | US5207208 Integrated converter high power CD ignition |