| 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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| 11/11/1992 | CN2121545U High-voltage electric spark tester |
| 11/05/1992 | DE4114087A1 Zuendanlage fuer verbrennungskraftmaschinen Combustion engine-ignition system for |
| 11/03/1992 | US5160892 For an engine test system |
| 11/03/1992 | US5159912 Apparatus for electronic engine control with performance check for the final ignition stage |
| 10/20/1992 | US5156127 Method for optimizing plug firing time and providing diagnostic capability in an automotive ignition system |
| 10/15/1992 | WO1992010733A3 Engine misfire, knock or roughness detection method and apparatus |
| 10/14/1992 | EP0508804A1 A secondary voltage waveform detecting device for internal combustion engine |
| 10/13/1992 | US5155437 Diagnostic device for gas turbine ignition system |
| 10/12/1992 | WO1992021876A1 Diagnostic system for a capacitor discharge ignition system |
| 09/29/1992 | US5151654 Tachometer system for measuring the RPM of an internal combustion engine with no physical or visual connection |
| 09/24/1992 | DE4200752A1 Detecting misfire in IC engine - using crankshaft sensor to detect change in angular acceleration |
| 09/15/1992 | US5148084 Apparatus and method for providing ignition to a turbine engine |
| 09/15/1992 | US5146893 Apparatus for and a method of detecting combustion in an internal combustion engine |
| 09/10/1992 | DE4207141A1 Misfire detector for IC engine - measures ignition voltage and decides on basis of comparison with predetermined reference voltage carried out during interval of limited duration |
| 09/10/1992 | DE4207139A1 Misfire detector measuring spark duration - is used in IC engine and compares duration deduced from detection of ignition coil prim. and sec. voltages with predetermined reference interval |
| 09/10/1992 | DE4107052A1 Control unit esp. for ignition and fuel injection in motor vehicle - has RAM emulation memory allowing data to be manipulated to suit different conditions |
| 09/09/1992 | EP0502549A2 Spark survey in spark ignition engine |
| 09/08/1992 | US5146168 Variable sensitivity timing analyzer |
| 09/08/1992 | US5144936 Ignition apparatus for internal combustion engine |
| 09/01/1992 | US5143042 Ignition device for internal combustion engines |
| 08/26/1992 | EP0500145A2 Digital engine analyzer |
| 08/25/1992 | US5141246 Method and apparatus for controlling vehicular suspension |
| 08/25/1992 | US5140961 System and method for self diagnosing an engine control system |
| 08/13/1992 | DE4103524A1 Failure detection circuit for IC engine ignition of motor vehicle - monitors firing pulses and crankshaft position signals using logic circuits to detect faulty firing |
| 08/12/1992 | EP0498046A2 Signal acquisition device |
| 08/06/1992 | WO1992013183A1 Device for detecting faulty firing in an internal-combustion engine |
| 08/05/1992 | CN1063337A Intelligent distributor test instrument |
| 08/04/1992 | US5134987 Ignition circuit monitoring in an internal combustion engine |
| 07/29/1992 | EP0496050A2 Testing device of ignition installation |
| 07/28/1992 | US5133322 Internal combustion engine ignition system and cleaning device |
| 07/23/1992 | WO1992012342A1 Ionization control for automotive ignition system |
| 07/22/1992 | CN1062957A Direct fire ignition system having individaul knock detection sensor |
| 07/21/1992 | US5132625 Distributorless ignition adapter for diagnostic oscilloscopes |
| 07/15/1992 | EP0494423A2 System for detecting combustion state in internal combustion engine |
| 07/09/1992 | WO1992011522A1 Diagnostic device for detecting defective combustion in an internal combustion engine |
| 07/07/1992 | US5127262 Misfire detecting device of an internal combustion engine |
| 06/30/1992 | US5125381 Misfire detection |
| 06/30/1992 | US5125267 Trouble diagnosis apparatus for an internal combustion engine |
| 06/25/1992 | WO1992010733A2 Engine misfire, knock or roughness detection method and apparatus |
| 06/25/1992 | WO1992010674A1 Signal-acquisition device |
| 06/25/1992 | WO1992010673A1 Ignition system for internal-combustion engines |
| 06/25/1992 | CA2099613A1 Engine misfire, knock or roughness detection method and apparatus |
| 06/23/1992 | CA1304161C2 Digital engine analyzer |
| 06/23/1992 | CA1304160C2 Digital engine analyzer |
| 06/17/1992 | DE4040236A1 Vorrichtung zum erfassen von signalen Apparatus for detecting signals |
| 06/11/1992 | WO1992009804A1 Spark-plug simulator |
| 06/10/1992 | EP0262166B1 Process for identifying the working cycle of a cylinder in an internal combustion engine |
| 06/10/1992 | CN2106906U High-voltage probe for ignition coil dynamic tests |
| 06/04/1992 | DE4037943A1 Combustion engine operation with individual cylinder fuel injection - introducing temporary inhibition of supply to cylinder showing excessive antiknock ignition retardation or preignition ionisation |
| 05/26/1992 | US5116342 Trigger circuit with self-adjusting reference value |
| 05/26/1992 | US5115793 Ignition device for internal combustion engines, particularly for detecting spark failure |
| 05/21/1992 | DE4135797A1 Misfire discriminating method for engine |
| 05/19/1992 | CA1301199C 2-bromo, 1',2'-dichloroperfluoro diethyl ether and process for preparing same |
| 05/13/1992 | EP0484691A2 Method and apparatus for detecting anomalies in the operation of combustion engines |
| 05/13/1992 | EP0484357A1 Fully electronic ignition device for an internal combustion engine |
| 05/12/1992 | US5111790 Direct fire ignition system having individual knock detection sensor |
| 05/05/1992 | US5109825 Method and arrangement for recognizing misfires |
| 04/28/1992 | US5107817 Method of associating ignition signals with a reference cylinder |
| 04/21/1992 | US5107426 Injection and ignition system tester |
| 04/21/1992 | US5106293 System for detecting the condition of ignition assemblies |
| 04/16/1992 | WO1992006293A1 Variable sensitivity timing analyser |
| 04/16/1992 | WO1992006292A1 Distributorless ignition adapter for diagnostic oscilloscopes |
| 04/16/1992 | WO1992006291A1 Engine analyzer waveform display |
| 04/16/1992 | CA2027903A1 Wireless spark timer |
| 04/15/1992 | CN2101773U Automatic testing first aid device of ignition circuit fault for car |
| 04/15/1992 | CN2101772U Angle of advance and rotational speed tester for ignition and oil spraying of engine |
| 04/14/1992 | US5105155 Apparatus for setting timing of internal combustion engines |
| 04/08/1992 | CN2101119U Motor-cycle igniting time tester |
| 04/02/1992 | WO1992005419A1 Apparatus for setting the timing of internal combustion engines |
| 04/01/1992 | EP0477507A2 Digital engine analyzer |
| 03/29/1992 | CA2049620A1 Direct fire ignition system having individual knock detection sensor |
| 03/18/1992 | CN2099203U Microcomputerized testing apparatus for automobile engine |
| 03/05/1992 | WO1992003655A1 Ignition system for internal-combustion engines |
| 03/04/1992 | EP0472544A1 Sensor for determining the combustion profile in an internal combustion engine. |
| 03/03/1992 | US5093792 Combustion prediction and discrimination apparatus for an internal combustion engine and control apparatus therefor |
| 02/27/1992 | DE4116642A1 IC engine ignition system with functional monitor circuit - combines applications of spark duration and voltage measurements to select whichever method yields more reliable result |
| 02/27/1992 | DE4026723A1 Zuendanlage fuer brennkraftmaschinen Engine-ignition system for |
| 02/12/1992 | EP0470277A1 Ignition device for combustion engines |
| 02/11/1992 | US5087882 Ionization current detector device for an internal combustion engine |
| 02/04/1992 | US5085192 Internal combustion engine ignition system and cleaning device |
| 01/29/1992 | EP0468253A2 Diagnostic device for gas turbine ignition system |
| 01/22/1992 | EP0364460B1 Observation of combustion in a spark ignition internal combustion engine |
| 01/16/1992 | DE4020986A1 Electronic ignition system for IC engine - of motor vehicle characteristic of ignition coil prim. to determine spark plug combustion duration |
| 01/09/1992 | DE4120935A1 Control circuit identifying misfiring of IC engine - analyses misfire signals to determine degree of misfire and adjust fuel injection |
| 01/09/1992 | DE4019808A1 Four stroke IC engine for motor vehicle - uses ultrasonic measuring arrangement to ascertain composition of fuel mixt. of petrol and methanol |
| 12/31/1991 | US5076249 Angular position detector apparatus |
| 12/24/1991 | US5075627 Circuit apparatus for measuring the primary voltage of an ignition coil |
| 12/18/1991 | EP0461384A2 Diagnosis installation |
| 12/10/1991 | US5072394 Method and apparatus for providing ignition timing alarm for internal combustion engine |
| 12/10/1991 | US5070842 Apparatus for controlling ignition timing in internal combustion engine |
| 11/27/1991 | EP0458762A1 An ignition device for internal combustion engines particularly for detecting spark failure |
| 11/27/1991 | EP0458053A2 Rolling device for testing vehicles |
| 11/26/1991 | US5068613 Method and apparatus for generating display waveforms im wasted spark ignition systems |
| 11/26/1991 | US5067462 Control device and method for multicylinder engine with a cylinder discrimination function |
| 11/21/1991 | DE4116272A1 Combustion monitor for vehicle IC engine - detects ion current upon ignition of spark plug |
| 11/19/1991 | US5065729 Cylinder recognition apparatus for a distributorless ignition system |
| 11/14/1991 | DE4014966A1 Engine diagnosis method using temp. chamber sensitive element - to measure combustion chamber temp. at indication of engine load |
| 11/13/1991 | EP0455649A1 Processes for assigning ignition signals to a reference cylinder. |
| 11/12/1991 | US5065073 Apparatus and method for providing ignition to a turbine engine |
| 11/05/1991 | US5063515 Automotive engine signal digitization |