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)
03/1998
03/31/1998US5734100 Device for diagnosing misfiring of a multi cylinder engine
03/26/1998DE19637094A1 Verfahren zum Bestimmen von Verbrennungsaussetzern A method for determining misfire
03/19/1998WO1998011416A1 Method of determining misfiring
03/19/1998DE19738915A1 Glow/heater plug for IC diesel engine
03/19/1998DE19737396A1 Glow-plug for diesel engine
03/17/1998US5727534 Misfire detecting device for multi-cylinder internal combustion engine
03/11/1998EP0828076A2 Device for knock detection of an internal combustion engine
03/11/1998EP0827569A1 Inductive ignition device
03/10/1998US5726352 Method of detecting misfires in a multicylinder internal combustion engine
03/04/1998EP0826882A2 Device for knock detection in an internal combustion engine
03/04/1998EP0826881A2 Ignition device for an internal combustion engine
03/03/1998US5722378 Ignition detection circuit
02/1998
02/25/1998EP0825343A1 Method and device for ignition diagnostics of a thermic engine by means of measuring the ionisation impedance
02/10/1998US5715791 Cylinder discriminating device for internal combustion engine
02/05/1998WO1998004990A1 Modified trimmed mean filtering for misfire detection
02/05/1998WO1998004830A1 Circuit for measuring the ignition coil primary voltage of the ignition system of an internal combustion engine
02/03/1998US5714679 Portable apparatus for testing an internal combustion engine
01/1998
01/29/1998DE19630305A1 Schaltungsanordnung zur Messung der Zündspulenprimärspannung einer Zündanlage einer Brennkraftmaschine Circuit arrangement for measuring the Zündspulenprimärspannung an ignition system of an internal combustion engine
01/27/1998CA2115007C Engine position detection
01/21/1998EP0819215A1 Method for carrying out an ionic current measurement in a combustion engine using a lean fuel mixture
01/20/1998US5710512 Structure and production process for secondary voltage detector for engine
12/1997
12/30/1997US5701876 Misfire detecting apparatus for internal combustion engine
12/24/1997WO1997048905A1 Method for ignition control in combustion engines
12/23/1997US5701077 Misfire detecting device for gasoline internal combustion engine
12/18/1997WO1997047875A1 A method for detecting an ion current
12/18/1997DE19648969A1 Combustion state monitoring for IC engine
12/16/1997US5699253 Nonlinear dynamic transform for correction of crankshaft acceleration having torsional oscillations
12/09/1997US5694900 Knock control system for an internal combustion engine
12/04/1997WO1997045637A1 Method for monitoring the working cycle of an internal combustion engine
12/04/1997DE19647161A1 Control arrangement for IC engine ignition timing and fuel injection
12/04/1997DE19647138A1 Internal combustion (IC) engine combustion condition/quality detector using ion current change discrimination
12/03/1997EP0810369A2 Preignition detecting method
12/03/1997EP0810368A2 An apparatus for detecting misfiring of an internal combustion engine
12/02/1997US5692484 Synchronization circuit for a coil-per-plug ignition system
11/1997
11/26/1997EP0809020A2 Double strike ignition with diagnosis
11/26/1997EP0809019A2 Double strike ignition control
11/19/1997EP0611417B1 Free-running capacitive discharge ignition system with spark frequency control
11/12/1997EP0806566A2 Misfire detector using different methods for high and low engine speeds
11/12/1997CN2267336Y Device for testing high voltage ignition of automobile
11/11/1997US5687082 Methods and apparatus for performing combustion analysis in an internal combustion engine utilizing ignition voltage analysis
11/05/1997EP0804683A1 Ignition control circuit for internal combustion engines
11/04/1997US5682860 Device and method for ignition detection
11/04/1997CA2122248C Free-running capacitive discharge ignition system with spark frequency control
10/1997
10/23/1997DE19643617A1 Cylinder distinguishing device for IC engine
10/22/1997EP0720735A4 An acceleration based misfire detection system and method with improved signal fidelity
10/21/1997US5680311 For analyzing operation of a multiple cylinder internal combustion engines
10/16/1997WO1997038223A1 Glow plug, its production process and ion current detector
10/15/1997EP0801294A1 High frequency ion current measurement after AC current ignition
10/15/1997EP0801226A2 Method and device for evaluating the quality of an air fuel mixture
10/14/1997US5677632 Automatic calibration for a capacitive pickup circuit
10/14/1997US5676113 Method for ignition timing control in combustion engines
10/12/1997CA2200661A1 Process and device for evaluating the quality of a fuel-air mixture
10/07/1997US5675257 Diagnostic device for gas turbine ignition system
10/07/1997US5675072 Combustion condition detector for internal combustion engine
09/1997
09/30/1997US5672972 Diagnostic system for a capacitor discharge ignition system
09/25/1997WO1997035109A1 Inductive ignition device
09/25/1997DE19610862A1 Induktive Zündeinrichtung Inductive ignition device
09/23/1997US5670713 Apparatus and method for recognizing misfire occurrence in multi-cylinder internal combustion engine
09/16/1997US5668311 Cylinder compression detection
09/11/1997DE19608526A1 Method of regulating minimum ignition energy for spark-plug IC engine with external ignition e.g. for automobile
09/09/1997US5665906 Device for generating a synthetic signal for testing knock control functions
09/04/1997WO1997022803A3 Internal combustion engine ignition system monitoring device
09/03/1997EP0705386B1 Process for detecting an ignition pulse group
08/1997
08/20/1997EP0790409A2 Measuring circuit for an ionic current in ignition devices for internal combustion engines
08/20/1997EP0790408A2 Measuring circuit for an ionic current in ignition devices for internal combustion engines
08/20/1997EP0790406A2 Electronic ignition system for internal combustion engines
08/13/1997EP0789144A2 A turbine engine ignition exciter circuit incluiding low voltage lockout control
08/12/1997US5656966 Turbine engine ignition exciter circuit including low voltage lockout control
08/12/1997US5656770 Method for testing a spark-ignited internal combustion engine
08/07/1997WO1997028366A1 Ignition system with ionization detection
08/07/1997DE19614288C1 Ion-current measurement circuit e.g. for motor vehicle IC engine combustion chamber
07/1997
07/31/1997WO1997027400A1 Measuring circuit for sensing ionisation within a cylinder of a combustion engine
07/29/1997US5652520 Internal combustion engine misfire circuit using ion current sensing
07/29/1997US5652381 Ignition system test instrument
07/24/1997WO1997026522A1 Method of controlling ignition in a multicylinder internal combustion engine
07/24/1997DE19601593A1 Verfahren zum Steuern der Zündung in einer Mehrzylinder-Brennkraftmaschine A method for controlling the ignition in a multi-cylinder internal combustion engine
07/10/1997WO1997024527A1 Method for knock control in combustion engines
07/03/1997DE19614388C1 Evaluation of quality of mixture of fuel and air in combustion engine
07/02/1997CN1153256A Method and device for control of correct timed ignition for gasoline engine
07/01/1997US5644551 For monitoring an engine having an electrical system
06/1997
06/26/1997WO1997022803A2 Internal combustion engine ignition system monitoring device
06/26/1997DE19614287C1 Ion-current-measuring circuit for knock detection in combustion chamber of IC engine
06/24/1997US5641898 Distributorless ignition system ignition module tester
06/17/1997US5640093 Automobile electronic circuit analyzer for detecting shorted ECM loads, including a pulsating power supply and load sensing cell
06/17/1997US5638799 Double strike ignition control
06/11/1997EP0778414A2 Diagnostic system for capacitive discharge ignition system
06/10/1997US5638278 Apparatus for detecting an occurence of misfiring in an engine cylinder
06/10/1997US5636620 Self diagnosing ignition control
06/03/1997US5635841 Electronic ignition control module test system
06/03/1997US5634828 Capacitive pickup clip
05/1997
05/28/1997EP0615580B1 Ignition system with variable primary voltage limitation and defect diagnosis
05/28/1997CN1150842A Device for connecting voltage display apparatus to sensor
05/27/1997US5633591 Apparatus and method for measuring the breakdown voltage between two electrodes separated by a dielectric
05/22/1997WO1997018391A1 Ignition control circuit for internal combustion engines
05/20/1997US5631564 Method and apparatus for monitoring the ignition device of an internal combustion engine
05/15/1997DE19646917A1 Ignition monitor for IC engine
05/14/1997EP0519046B1 Ionization control for automotive ignition system
05/02/1997EP0770777A2 Electronic ignition control device for internal combustion engines of motor vehicles
05/01/1997WO1997015758A1 A method of identifying the combustion chamber of a combustion engine that is in the compression stroke, a method of starting a combustion engine, and a device for a combustion engine
04/1997
04/29/1997US5625143 Misfire detector for internal combustion engine
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