| Patents for F02P 17 - Testing of ignition installations, e.g. in combination with adjusting; Testing of ignition timing in compression-ignition engines (2,871) |
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| 08/24/1995 | DE19503969A1 Ionisation monitor for registering performance of IC engine |
| 08/22/1995 | US5444376 Signal-acquisition device for detecting a high voltage signal at the coils |
| 08/22/1995 | US5444375 Ionization current detector for detecting the ionization current generated in a plurality of ignition coils of an internal combustion engine |
| 08/22/1995 | US5442955 Misfire detecting device of multicylinder internal combustion engine |
| 08/16/1995 | CN1106892A Method for synchronizing internalcombustion engine |
| 08/15/1995 | US5440947 Timing lock apparatus for diesel engines |
| 08/10/1995 | DE19503362A1 Tool for turning flywheel of IC engine |
| 08/10/1995 | DE19502402A1 Ignition misfiring detection circuit for IC engine |
| 08/08/1995 | US5440445 High-energy ignition generator in particular for a gas turbine |
| 08/08/1995 | US5438970 High tension cord connector with misfire detecting capacitor for internal combustion engine |
| 08/02/1995 | EP0665376A2 Misfire detecting device |
| 08/01/1995 | US5438269 Sparking voltage detecting device having an embedded conductive member |
| 08/01/1995 | US5438268 Ignition system for detecting arc voltage of spark plug |
| 08/01/1995 | US5437259 Internal-combustion-engine ignition device |
| 08/01/1995 | US5437154 Misfire-detecting system for internal combustion engines |
| 07/11/1995 | US5432701 Electronic system in a motor vehicle for detecting a rough road condition |
| 07/11/1995 | US5431134 For a Harley-Davidson motorcycle engine |
| 07/11/1995 | US5431044 Combustion detection circuit for a catalytic converter preheater |
| 07/05/1995 | EP0661449A2 Device for detecting misfire of internal combustion engine equipped with double-ended coil and distributorless ignition system |
| 07/05/1995 | CN1104834A Ignition system for internal combustion engines with misfire detection through comparison with reference firings in the same ignition coil |
| 06/28/1995 | EP0659999A1 Diagnostic apparatus and methods for ignition circuits |
| 06/28/1995 | CA2138936A1 Diagnostic apparatus and methods for ignition circuits |
| 06/21/1995 | EP0658692A2 Method and device for detecting misfire of engine ignition system |
| 06/20/1995 | US5426587 Misfire discriminating method for an engine |
| 06/20/1995 | US5426370 Spark plug voltage probe device for detecting a burning condition and reducing noise level in an internal combustion engine |
| 06/20/1995 | US5426369 Spark plug testing apparatus |
| 06/20/1995 | US5425339 Internal combustion engine control device |
| 06/20/1995 | US5425269 Method of and apparatus for discriminating misfire |
| 06/13/1995 | US5424647 Combustion detection device for internal combustion engine provided with a voltage regulating circuit to prevent premature combustion |
| 06/07/1995 | EP0656096A1 Ignition system for internal combustion engines with misfire detection through comparison with reference firings in the same ignition coil. |
| 05/31/1995 | EP0655616A2 Multi-cylinder engine combustion state diagnosis apparatus and method |
| 05/30/1995 | US5419300 Ignition coil unit with ignition voltage detective capacitor for internal combustion engine |
| 05/24/1995 | EP0654604A1 Coil ignition method and device with additional discharges for diagnostics |
| 05/23/1995 | US5418461 Device for detecting abnormality of spark plugs for internal combustion engines and a misfire-detecting system incorporating the same |
| 05/23/1995 | CA1335640C Ignition system for marine propulsion device |
| 05/16/1995 | US5415148 Misfire-detecting system for internal combustion engines |
| 05/16/1995 | US5415028 Misfire detecting device for internal combustion engine |
| 05/10/1995 | EP0652573A2 Ignition transformer |
| 05/10/1995 | EP0652366A2 Auto-ignition detection method |
| 05/10/1995 | EP0652365A2 Misfire detection method |
| 05/10/1995 | EP0652364A2 Load detection method |
| 05/10/1995 | EP0652363A2 Engine ignition and control system |
| 05/05/1995 | CA2133689A1 Apparatus and method for engine diagnosis using current waveform analysis |
| 05/02/1995 | US5411006 Engine ignition and control system |
| 04/25/1995 | US5410253 Method of indicating combustion in an internal combustion engine |
| 04/25/1995 | US5408870 Method for detecting the load on an internal combustion engine |
| 04/18/1995 | US5406921 In a combustion cylinder of a spark ignition internal combustion engine |
| 04/06/1995 | DE4435654A1 Device for detecting the operating state, in particular misfires of a motor vehicle, and detection method for this |
| 03/29/1995 | EP0568551B1 Device for detecting faulty firing in an internal-combustion engine |
| 03/28/1995 | US5400760 Misfire detector device for internal combustion engine |
| 03/21/1995 | US5399972 Spark intensity transient peak voltmeter for secondary ignition circuit testing mounted in dashboard |
| 03/21/1995 | US5399942 Apparatus and method for providing ignition to a turbine engine |
| 03/16/1995 | WO1995007450A1 System to determine engine misfire |
| 03/16/1995 | DE4417580A1 Testen von elektronischen Anordnungen unter Verwendung der Rotortechnik zum Anordnen der Fühler Testing electronic devices using the rotor technology for locating the sensor |
| 03/15/1995 | EP0422038B1 Ignition misfire detector |
| 03/14/1995 | US5397990 Device for accurately detecting ion current of internal combustion engine by masking noise generated by an ignition coil |
| 03/07/1995 | US5396176 Combustion condition diagnosis utilizing multiple sampling of ionic current |
| 03/01/1995 | EP0640762A1 Cylinder synchronization of a multi-cylinder internal combustion engine via detection of a directed misfire |
| 02/28/1995 | US5392641 Ionization misfire detection apparatus and method for an internal combustion engine |
| 02/22/1995 | EP0472544B1 Sensor for determining the combustion profile in an internal combustion engine |
| 02/21/1995 | US5391100 Method of manufacturing of spark plug cap with ignition voltage detective capacitor |
| 02/14/1995 | US5388560 Misfire-detecting system for internal combustion engines |
| 02/07/1995 | US5387870 Method and apparatus for feature extraction from internal combustion engine ignition waveforms |
| 02/07/1995 | US5386723 Device for detecting faulty firing in an internal-combustion engine |
| 01/26/1995 | DE4324863A1 Circuit arrangement for flame detection |
| 01/25/1995 | EP0635638A2 Circuit for flame detection |
| 01/24/1995 | US5383350 Sensor and method for detecting misfires in internal combustion engines |
| 01/18/1995 | EP0634574A2 Coreless detector for ignition discharge current |
| 01/16/1995 | CA2128035A1 Coreless detector for ignition discharge current |
| 01/05/1995 | WO1995000755A1 Process for detecting an ignition pulse group |
| 01/04/1995 | EP0632260A1 Procedure for detecting misfire in multiple cylinders |
| 01/03/1995 | US5377653 Internal-combustion-engine ignition device |
| 01/03/1995 | US5377652 Ignition transformer |
| 01/03/1995 | US5377536 Method for identifying misfire in internal combustion engines |
| 12/27/1994 | US5376886 Ignition distributor cap with misfire detecting capacitor for internal combustion engine |
| 12/20/1994 | US5373826 Ignition apparatus for an internal combustion engine having a current limiting function |
| 12/06/1994 | US5370099 Ignition system for internal combustion engines |
| 12/06/1994 | US5369991 Automative diagnostic testing apparatus |
| 12/01/1994 | DE4317959A1 Test method for an ignition system |
| 11/24/1994 | WO1994027043A1 Ignition system for internal combustion engines with misfire detection through comparison with reference firings in the same ignition coil |
| 11/22/1994 | US5365910 Misfire detector for use in internal combustion engine |
| 11/22/1994 | US5365905 Misfire-detecting system for internal combustion engines |
| 11/09/1994 | CN2182279Y Correct timed ignition test apparatus for motorcycle |
| 11/08/1994 | US5363046 Spark plug cap with misfire detecting capacitor for internal combustion engine |
| 11/08/1994 | US5363045 Hand-held non-contacting electric field detection tool |
| 11/03/1994 | DE4413675A1 Misfire detector device for multi-cylinder internal combustion engines |
| 11/02/1994 | EP0622542A1 Misfire detection with rough road detection |
| 11/01/1994 | US5359882 Apparatus for detection and decision of occurrence of misfire in internal combustion engine |
| 10/26/1994 | EP0621404A1 An appartus for controlling an automobile engine |
| 10/25/1994 | US5359290 Method and apparatus using a pair of test circuits having LED indicators for testing engine sensors and ignition modules in vehicles |
| 10/25/1994 | US5357789 Misfire detection system for internal combustion engine |
| 10/13/1994 | DE4412191A1 Diagnostic device for an exhaust purification system |
| 10/12/1994 | EP0619428A2 Engine position detection for a direct ignition system |
| 10/11/1994 | US5355056 Sparkplug voltage detecting probe device for use in internal combustion engine |
| 10/11/1994 | US5353769 Fuel supply control system for internal combustion engines |
| 10/05/1994 | EP0618436A2 Measurement of misfire rate of an engine |
| 10/05/1994 | EP0618360A1 Device for detection of a function failure in an electronic ignition system of an engine, especially for motor vehicles |
| 09/29/1994 | DE4410063A1 Device for controlling internal combustion engines |
| 09/27/1994 | US5349930 High tension cord cover with misfire detecting capacitor for internal combustion engine |
| 09/21/1994 | EP0615580A1 Ignition system with variable primary voltage limitation and defect diagnosis. |