Patents
Patents for F02P 17 - Testing of ignition installations, e.g. in combination with adjusting; Testing of ignition timing in compression-ignition engines (2,871)
03/1999
03/02/1999US5877958 Apparatus for controlling an automobile engine which is serially connected to system sensors
02/1999
02/23/1999CA2047873C Diagnostic device for gas turbine ignition system
02/18/1999WO1999007995A1 Measuring and diagnostic device for an ignition system of an internal combustion engine
02/17/1999EP0897061A2 Misfire detection method for internal combustion engine having two spark plugs per cylinder
02/09/1999US5870688 Misfire diagnostic system for internal combustion engine
02/03/1999EP0894976A2 Combustion state detector for an internal combustion engine
02/02/1999US5866808 Apparatus for detecting condition of burning in internal combustion engine
02/02/1999CA2051876C Apparatus for detecting flameout of internal combustion engine
01/1999
01/27/1999EP0893600A1 Multi spark ignition system for an internal combustion engine
01/21/1999DE19827221A1 Burn control for IC engine
01/21/1999DE19720532A1 Internal combustion engine combustion chamber spark plug condition determining system
01/19/1999US5862506 Modified trimmed mean filtering for misfire detection
01/19/1999US5862505 Misfire discriminating method and apparatus for an engine
01/19/1999US5861551 Combustion state detecting apparatus for an internal-combustion engine
01/13/1999EP0739448B1 Process for monitoring the running of an internal combustion engine to detect misfiring
01/07/1999EP0889234A2 Input buffer circuit with differential input thresholds operable with high common mode input voltages
01/07/1999DE19828153A1 Combustion state detector for combustion engine
01/07/1999DE19727004A1 Combustion failure recognition method for IC engines
12/1998
12/29/1998US5852999 Method and means for generating and maintaining spark in a varying pressure environment
12/22/1998US5852381 Turbine engine ignition exciter circuit including low voltage lockout control
12/17/1998DE19826714A1 Knock detector for internal combustion engine
12/09/1998EP0882887A2 Apparatus and method for controlling internal combustion engine during testing of hybrid vehicle
12/02/1998EP0881382A1 Ignition timing control method for an internal combustion engine
12/01/1998US5842456 Programmed multi-firing and duty cycling for a coil-on-plug ignition system with knock detection
11/1998
11/26/1998WO1998053198A1 Method for identifying knocking combustion in an internal combustion engine with an alternating current ignition system
11/26/1998DE19822296A1 Knock detection arrangement for IC engine
11/25/1998EP0879355A1 Ignition system with ionization detection
11/24/1998US5841283 Discriminator circuit for detecting the event spark plug in a distributorless ignition system
11/19/1998WO1998051922A1 Method for closed-loop control of injection timing in combustion engines
11/19/1998DE19821722A1 Ion current detection device for combustion engine
11/19/1998DE19720535A1 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
11/18/1998EP0853794A4 Modified trimmed mean filtering for misfire detection
11/17/1998US5836285 Device for controlling knocking in an internal combustion engine
11/12/1998DE19818470A1 Knocking detection device for IC engine
11/10/1998US5834629 Combustion sensor and combustion engine equipped with such a sensor
11/04/1998EP0874981A1 Method of controlling ignition in a multicylinder internal combustion engine
10/1998
10/27/1998US5828217 Misfire detecting device for internal combustion engine
10/22/1998DE19811628A1 Determining combustion state of internal combustion engine
10/21/1998EP0749528B1 A turbine engine ignition exciter circuit
10/14/1998CN1040244C Method for controlling ignition device of internal combustion engine
10/13/1998US5821754 Ignition system for an internal combustion engine
09/1998
09/30/1998EP0866917A2 Internal combustion engine ignition system monitoring device
09/29/1998US5814994 Of an internal combustion engine
09/22/1998US5811670 Process and device for evaluating the quality of a fuel-air mixture
09/17/1998DE19810523A1 System for determining ionic current for IC engine
09/16/1998EP0864738A2 Fuel injection controller for diesel engines
09/08/1998US5804711 Pattern recognition method and system for determining a misfire condition in a reciprocating engine
09/08/1998US5803047 Method of control system for controlling combustion engines
09/03/1998DE19733356A1 Internal combustion engine state determination device
09/03/1998DE19733355A1 Internal combustion engine state determination device
09/01/1998US5801534 Circuit for ion current measurement in combustion space of an internal combustion engine
08/1998
08/27/1998DE19734039A1 Internal combustion engine combustion state determining device
08/27/1998DE19730362A1 Internal combustion engine state measurement device
08/26/1998CN2289068Y Automatic testing emergency device for ignition circuit fault of car
08/19/1998CN1190702A Motor cycle ignitor regulating and testing instrument
08/18/1998US5794592 Internal combustion engine controller
08/04/1998US5790039 Method for detecting the presence of a spark in an electronic ignition system used with an internal combustion engine
07/1998
07/28/1998US5785020 Combustion state detecting apparatus for an internal-combustion engine
07/22/1998EP0853794A1 Modified trimmed mean filtering for misfire detection
07/14/1998US5781012 Ion current detecting apparatus for internal combustion engines
07/14/1998US5778855 Combustion stability control for lean burn engines
07/07/1998US5778328 Engine analyzer with single-head ignition scope
07/07/1998US5777216 Ignition system with ionization detection
07/07/1998US5775298 Internal combustion engine control
06/1998
06/23/1998US5769049 Method and system for controlling combustion engines
06/18/1998DE19735010C1 Ignition mis-firing detection method for IC engine with two spark plugs per cylinder
06/17/1998EP0848161A2 Inductive ignition coils system for motor
06/17/1998EP0847495A1 Method for ignition control in combustion engines
06/16/1998US5767681 Timing light for automotive engines
06/11/1998WO1998025124A1 Method and apparatus for inspecting spark plug while spark plug is installed in engine
06/10/1998EP0846851A2 Internal combustion engine control
06/04/1998WO1998023859A1 Igniting system with a device for measuring the ion current
06/04/1998DE19649278A1 Zündvorrichtung mit Ionenstrom-Meßeinrichtung Igniter with ion current measuring device
06/03/1998EP0766786A4 Magneto with dual mode operation
06/03/1998EP0757796B1 Device for connecting a voltage display apparatus to a sensor
06/02/1998US5758629 Electronic ignition system for internal combustion engines and method for controlling the system
05/1998
05/28/1998WO1998022709A1 Arrangements and procedure for ionisation detection within multi-cylinder combustion engines
05/28/1998WO1998022708A1 Arrangement and process for communication between an ignition module and control unit in a combustion engine's ignition system
05/26/1998US5755206 Control method and apparatus for internal combustion engine
05/22/1998WO1998021472A1 Monitoring combustion quality
05/20/1998DE19750636A1 Fuel control system for internal combustion engine
05/19/1998US5754051 Misfire detecting device
05/19/1998US5754011 Method and apparatus for controllably generating sparks in an ignition system or the like
05/19/1998US5753804 Spatial frequency implemented digital filters for engine misfire detection
05/12/1998US5751147 Preignition detecting method
05/07/1998WO1998019066A1 Ignition system and principle of operation
05/07/1998CA2270388A1 Ignition system and principle of operation
05/05/1998US5747710 Pulse sensor clip
05/05/1998US5747681 Combustion state-detecting system for internal combustion engines
05/05/1998US5747677 Apparatus and method for detecting pressure in an engine cylinder
05/05/1998US5747670 Apparatus for detecting combustion state in internal combustion engine
05/05/1998CA2142396C Misfire-determining controller for internal combustion engine
04/1998
04/30/1998DE19643785A1 Zündvorrichtung Primer
04/29/1998EP0563066B2 Diagnostic device for detecting defective combustion in an internal combustion engine
04/28/1998US5743085 Diagnostic equipment for an exhaust gas cleaning apparatus
04/21/1998US5742276 Apparatus for monitoring waveforms from an associated source
04/16/1998DE19641916A1 Misfiring identification method by evaluating fluctuations in speed e.g. for combustion engine
04/08/1998EP0834652A1 Glow plug, its production process and ion current detector
04/08/1998CN2278098Y Multi-function car electric appliances tester
04/07/1998US5735254 Circuit for detecting an overvoltage on a switched inductive load
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