| 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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| 03/02/1999 | US5877958 Apparatus for controlling an automobile engine which is serially connected to system sensors |
| 02/23/1999 | CA2047873C Diagnostic device for gas turbine ignition system |
| 02/18/1999 | WO1999007995A1 Measuring and diagnostic device for an ignition system of an internal combustion engine |
| 02/17/1999 | EP0897061A2 Misfire detection method for internal combustion engine having two spark plugs per cylinder |
| 02/09/1999 | US5870688 Misfire diagnostic system for internal combustion engine |
| 02/03/1999 | EP0894976A2 Combustion state detector for an internal combustion engine |
| 02/02/1999 | US5866808 Apparatus for detecting condition of burning in internal combustion engine |
| 02/02/1999 | CA2051876C Apparatus for detecting flameout of internal combustion engine |
| 01/27/1999 | EP0893600A1 Multi spark ignition system for an internal combustion engine |
| 01/21/1999 | DE19827221A1 Burn control for IC engine |
| 01/21/1999 | DE19720532A1 Internal combustion engine combustion chamber spark plug condition determining system |
| 01/19/1999 | US5862506 Modified trimmed mean filtering for misfire detection |
| 01/19/1999 | US5862505 Misfire discriminating method and apparatus for an engine |
| 01/19/1999 | US5861551 Combustion state detecting apparatus for an internal-combustion engine |
| 01/13/1999 | EP0739448B1 Process for monitoring the running of an internal combustion engine to detect misfiring |
| 01/07/1999 | EP0889234A2 Input buffer circuit with differential input thresholds operable with high common mode input voltages |
| 01/07/1999 | DE19828153A1 Combustion state detector for combustion engine |
| 01/07/1999 | DE19727004A1 Combustion failure recognition method for IC engines |
| 12/29/1998 | US5852999 Method and means for generating and maintaining spark in a varying pressure environment |
| 12/22/1998 | US5852381 Turbine engine ignition exciter circuit including low voltage lockout control |
| 12/17/1998 | DE19826714A1 Knock detector for internal combustion engine |
| 12/09/1998 | EP0882887A2 Apparatus and method for controlling internal combustion engine during testing of hybrid vehicle |
| 12/02/1998 | EP0881382A1 Ignition timing control method for an internal combustion engine |
| 12/01/1998 | US5842456 Programmed multi-firing and duty cycling for a coil-on-plug ignition system with knock detection |
| 11/26/1998 | WO1998053198A1 Method for identifying knocking combustion in an internal combustion engine with an alternating current ignition system |
| 11/26/1998 | DE19822296A1 Knock detection arrangement for IC engine |
| 11/25/1998 | EP0879355A1 Ignition system with ionization detection |
| 11/24/1998 | US5841283 Discriminator circuit for detecting the event spark plug in a distributorless ignition system |
| 11/19/1998 | WO1998051922A1 Method for closed-loop control of injection timing in combustion engines |
| 11/19/1998 | DE19821722A1 Ion current detection device for combustion engine |
| 11/19/1998 | DE19720535A1 Verfahren zur Erkennung klopfender Verbrennung bei einer Brennkraftmaschine mit einer Wechselspannungszündanlage Method for detecting knocking combustion in an internal combustion engine with an alternating current |
| 11/18/1998 | EP0853794A4 Modified trimmed mean filtering for misfire detection |
| 11/17/1998 | US5836285 Device for controlling knocking in an internal combustion engine |
| 11/12/1998 | DE19818470A1 Knocking detection device for IC engine |
| 11/10/1998 | US5834629 Combustion sensor and combustion engine equipped with such a sensor |
| 11/04/1998 | EP0874981A1 Method of controlling ignition in a multicylinder internal combustion engine |
| 10/27/1998 | US5828217 Misfire detecting device for internal combustion engine |
| 10/22/1998 | DE19811628A1 Determining combustion state of internal combustion engine |
| 10/21/1998 | EP0749528B1 A turbine engine ignition exciter circuit |
| 10/14/1998 | CN1040244C Method for controlling ignition device of internal combustion engine |
| 10/13/1998 | US5821754 Ignition system for an internal combustion engine |
| 09/30/1998 | EP0866917A2 Internal combustion engine ignition system monitoring device |
| 09/29/1998 | US5814994 Of an internal combustion engine |
| 09/22/1998 | US5811670 Process and device for evaluating the quality of a fuel-air mixture |
| 09/17/1998 | DE19810523A1 System for determining ionic current for IC engine |
| 09/16/1998 | EP0864738A2 Fuel injection controller for diesel engines |
| 09/08/1998 | US5804711 Pattern recognition method and system for determining a misfire condition in a reciprocating engine |
| 09/08/1998 | US5803047 Method of control system for controlling combustion engines |
| 09/03/1998 | DE19733356A1 Internal combustion engine state determination device |
| 09/03/1998 | DE19733355A1 Internal combustion engine state determination device |
| 09/01/1998 | US5801534 Circuit for ion current measurement in combustion space of an internal combustion engine |
| 08/27/1998 | DE19734039A1 Internal combustion engine combustion state determining device |
| 08/27/1998 | DE19730362A1 Internal combustion engine state measurement device |
| 08/26/1998 | CN2289068Y Automatic testing emergency device for ignition circuit fault of car |
| 08/19/1998 | CN1190702A Motor cycle ignitor regulating and testing instrument |
| 08/18/1998 | US5794592 Internal combustion engine controller |
| 08/04/1998 | US5790039 Method for detecting the presence of a spark in an electronic ignition system used with an internal combustion engine |
| 07/28/1998 | US5785020 Combustion state detecting apparatus for an internal-combustion engine |
| 07/22/1998 | EP0853794A1 Modified trimmed mean filtering for misfire detection |
| 07/14/1998 | US5781012 Ion current detecting apparatus for internal combustion engines |
| 07/14/1998 | US5778855 Combustion stability control for lean burn engines |
| 07/07/1998 | US5778328 Engine analyzer with single-head ignition scope |
| 07/07/1998 | US5777216 Ignition system with ionization detection |
| 07/07/1998 | US5775298 Internal combustion engine control |
| 06/23/1998 | US5769049 Method and system for controlling combustion engines |
| 06/18/1998 | DE19735010C1 Ignition mis-firing detection method for IC engine with two spark plugs per cylinder |
| 06/17/1998 | EP0848161A2 Inductive ignition coils system for motor |
| 06/17/1998 | EP0847495A1 Method for ignition control in combustion engines |
| 06/16/1998 | US5767681 Timing light for automotive engines |
| 06/11/1998 | WO1998025124A1 Method and apparatus for inspecting spark plug while spark plug is installed in engine |
| 06/10/1998 | EP0846851A2 Internal combustion engine control |
| 06/04/1998 | WO1998023859A1 Igniting system with a device for measuring the ion current |
| 06/04/1998 | DE19649278A1 Zündvorrichtung mit Ionenstrom-Meßeinrichtung Igniter with ion current measuring device |
| 06/03/1998 | EP0766786A4 Magneto with dual mode operation |
| 06/03/1998 | EP0757796B1 Device for connecting a voltage display apparatus to a sensor |
| 06/02/1998 | US5758629 Electronic ignition system for internal combustion engines and method for controlling the system |
| 05/28/1998 | WO1998022709A1 Arrangements and procedure for ionisation detection within multi-cylinder combustion engines |
| 05/28/1998 | WO1998022708A1 Arrangement and process for communication between an ignition module and control unit in a combustion engine's ignition system |
| 05/26/1998 | US5755206 Control method and apparatus for internal combustion engine |
| 05/22/1998 | WO1998021472A1 Monitoring combustion quality |
| 05/20/1998 | DE19750636A1 Fuel control system for internal combustion engine |
| 05/19/1998 | US5754051 Misfire detecting device |
| 05/19/1998 | US5754011 Method and apparatus for controllably generating sparks in an ignition system or the like |
| 05/19/1998 | US5753804 Spatial frequency implemented digital filters for engine misfire detection |
| 05/12/1998 | US5751147 Preignition detecting method |
| 05/07/1998 | WO1998019066A1 Ignition system and principle of operation |
| 05/07/1998 | CA2270388A1 Ignition system and principle of operation |
| 05/05/1998 | US5747710 Pulse sensor clip |
| 05/05/1998 | US5747681 Combustion state-detecting system for internal combustion engines |
| 05/05/1998 | US5747677 Apparatus and method for detecting pressure in an engine cylinder |
| 05/05/1998 | US5747670 Apparatus for detecting combustion state in internal combustion engine |
| 05/05/1998 | CA2142396C Misfire-determining controller for internal combustion engine |
| 04/30/1998 | DE19643785A1 Zündvorrichtung Primer |
| 04/29/1998 | EP0563066B2 Diagnostic device for detecting defective combustion in an internal combustion engine |
| 04/28/1998 | US5743085 Diagnostic equipment for an exhaust gas cleaning apparatus |
| 04/21/1998 | US5742276 Apparatus for monitoring waveforms from an associated source |
| 04/16/1998 | DE19641916A1 Misfiring identification method by evaluating fluctuations in speed e.g. for combustion engine |
| 04/08/1998 | EP0834652A1 Glow plug, its production process and ion current detector |
| 04/08/1998 | CN2278098Y Multi-function car electric appliances tester |
| 04/07/1998 | US5735254 Circuit for detecting an overvoltage on a switched inductive load |