Patents for F02P 5 - Advancing or retarding electric ignition spark; Control therefor (9,022)
10/1999
10/20/1999CN2344575Y High-frequency high-voltage delay ignitor device for automobile
10/19/1999US5967122 Computer-controlled internal combustion engine equipped with spark plugs
10/19/1999US5967113 Exhaust-gas temperature raising system for an in-cylinder injection type internal combustion engine
10/14/1999WO1999051875A1 Device for suppressing engine knocking in internal combustion engines
10/13/1999EP0948783A1 Circuit arrangement for interference-free signal evaluation
10/12/1999US5964811 Control method and apparatus for diagnosing vehicles
10/12/1999US5964191 Reverse rotation control system for two-cycle engine of motor vehicle
10/07/1999WO1999050539A2 A silencer and a method of operating a vehicle
10/07/1999DE19814938A1 Vorrichtung zum Unterdrücken von Motorklopfen in Brennkraftmaschinen Device for suppressing engine knocking in internal combustion engines
10/07/1999DE19813380A1 Verfahren zum Betreiben einer Brennkraftmaschine A method of operating an internal combustion engine
10/07/1999DE19813379A1 Verfahren zum Betreiben einer Brennkraftmaschine insbesondere eines Kraftfahrzeugs A method of operating an internal combustion engine in particular of a motor vehicle
10/07/1999CA2373774A1 A silencer and a method of operating a vehicle
10/06/1999EP0947683A2 Method and apparatus for catalyst temperature control
10/06/1999EP0947682A2 Idle speed control device for engine
10/06/1999EP0789811B1 Knock control process for an internal combustion engine
10/06/1999CN1230628A Engine cam chain tension means for vehicle
10/05/1999US5960773 Engine control apparatus
09/1999
09/30/1999WO1999049198A1 Method for operating an internal combustion engine mainly intended for a motor vehicle
09/30/1999WO1999049196A1 Method of operation for an internal combustion engine
09/29/1999CN1229881A Controller of vehicle I. C. engine
09/29/1999CN1045328C Double compensation type ignition controller for automobile
09/28/1999US5957110 Ignition timing control device of an engine
09/28/1999US5957107 Fuel injection control method for cylinder injection type internal combustion engine and system for carrying out the same
09/23/1999DE19807488C1 Method for regulating valve-controlled stroke piston internal combustion engine
09/22/1999EP0943793A2 Control for direct fuel injection spark ignition internal combustion engine
09/21/1999US5954026 For correcting a torque of an internal combustion engine
09/21/1999US5954025 Control apparatus, for internal combustion engine, for improving stability of an idle state of the engine
09/15/1999EP0840849B1 Process for controlling the ignition point in internal combustion engines
09/14/1999US5950603 Vapor recovery control system for direct injection spark ignition engines
09/14/1999US5950419 Method of and system for purifying exhaust gas for engines
09/09/1999DE19808829A1 Gas engine, especially diesel engine
09/07/1999US5947863 Method and arrangement for controlling the input torque of a transmission
09/07/1999US5947083 Idling engine speed control unit
09/07/1999US5947077 Control device for cylinder injection internal-combustion engine
09/01/1999EP0938629A1 Method for determining the advance ignition angle in internal combustion engine ignition systems
09/01/1999CN1227620A Improved time delay ignition circuit for an internal combustion engine
08/1999
08/25/1999EP0937887A2 Control system for an engine
08/25/1999EP0937886A2 Method for controlling the power of a vehicle
08/25/1999EP0937198A1 Method and device for controlling a drive unit of a vehicle
08/24/1999US5941925 Method and arrangement for controlling a motor vehicle
08/24/1999US5941743 For an internal combustion engine
08/24/1999US5941213 Control system for internal combustion engines
08/19/1999DE19806665A1 Procedure for running IC engines in cars
08/19/1999DE19806393A1 Control method for automobile drive unit for reducing drive train vibration
08/11/1999EP0596127B1 Automobile engine
08/10/1999US5934247 Engine deceleration control device
07/1999
07/28/1999EP0931924A1 Method of control of the injection and ignition of the air/fuel mixture in an internal combustion engine
07/28/1999EP0931217A1 Method and device for regulating an internal combustion engine
07/27/1999US5929322 Device for detecting knocking in an internal combustion engine
07/27/1999US5927252 Ignition timing control apparatus for internal combustion engine
07/20/1999US5924404 Cylinder-specific spark ignition control system for direct fuel injected two-stroke engine
07/15/1999DE19757875A1 Verfahren zum Betreiben einer Brennkraftmaschine insbesondere eines Kraftfahrzeugs A method of operating an internal combustion engine in particular of a motor vehicle
07/14/1999CN1222951A Method of operating fuel injected engine
07/14/1999CN1222642A Electronic stepless regulator for lead angle of ignition
07/13/1999US5921886 Apparatus and method for controlling ignition during a throttle closed downshift in the interval between downshift signal and actual downshift
07/13/1999US5921226 Apparatus for controlling the fuel injection quantity
07/13/1999US5921220 Engine feedback control
07/08/1999WO1999034104A1 Method for operating an internal combustion engine, especially of an automobile
07/08/1999DE19860323A1 Control device for internal combustion engines
07/07/1999CN2327573Y High energy electronic ignitor of vehicle
06/1999
06/30/1999CN2326741Y High-energy electronic ignitor of automobile engine for use in cold day
06/29/1999US5915349 Gasoline internal combustion engine
06/24/1999WO1999031384A1 Method for measuring ionic current in internal combustion engines and device for measuring ionic current
06/24/1999DE19755256A1 Engine knock detection method for IC engine
06/24/1999DE19755247A1 Ignition monitoring system for internal combustion engine
06/23/1999EP0854980B1 Process and device for reducing load change stresses in a motor vehicle
06/16/1999EP0922949A1 Method for the detection of knocking in internal combustion engines from an ion current signal
06/16/1999EP0922847A2 Apparatus for controlling internal combustion engine
06/16/1999EP0922599A2 Internal combustion engine control apparatus of hybrid powered vehicle
06/16/1999CN1219996A Method and system for generating ignition coil control pulses
06/08/1999US5909723 Apparatus and a method for controlling the ignition timing of a cylinder-injection internal combustion engine
06/08/1999CA2100778C Servo control for molding machine
06/02/1999EP0919710A1 Method for controlling a direct injection spark ignited engine
05/1999
05/26/1999CN1217766A Method for controlling knocking in multicylinder internal combustion engines
05/20/1999DE19750304A1 Device to detect rotation and rotation direction of part for engine crankshaft
05/20/1999DE19749154A1 Controller of cylinder injection type internal combustion engine
05/18/1999US5905193 Preignition detection apparatus
05/18/1999US5904902 Electrically heats catalyst; controller adjusts and evaluates temperature; voltage, current, and electrical resistance measurement
05/18/1999US5904129 Control device for cylinder injection type internal-combustion engine
05/06/1999WO1999015769A8 Method and device for determining temperature values in a combustion engine
05/06/1999DE19742648A1 Knock sensor e.g. for automobile engineering
05/04/1999US5901156 Method of processing messages to be transmitted for a data processing arrangement
04/1999
04/29/1999DE19746519A1 Fuel injection motor
04/28/1999CN1215129A Method of operating internal combustion engine
04/27/1999US5896842 Closed-loop ignition timing control
04/27/1999US5896839 Control apparatus for an internal combustion engine
04/27/1999CA2186024C Control system for an internal combustion engine using either gasoline or methane or lpg as a fuel
04/21/1999EP0909887A2 Idle speed control system for spark ignited engines
04/21/1999CN2315321Y Automatic ignitor of gasoline engine
04/20/1999US5894725 Method and apparatus for maintaining catalyst efficiency of a NOx trap
04/20/1999US5894724 Engine system and engine control method
04/15/1999DE19803853C1 Intake air temperature regulation for internal combustion engine
04/14/1999EP0908610A1 Apparatus and method of fuel injection and ignition of internal combustion engine
04/13/1999US5893349 Method and system for controlling air/fuel ratio of an internal combustion engine during cold start
04/08/1999DE19742630A1 Motor vehicle multi-cylinder IC engine cylinder-specific ignition angle determining method
04/07/1999EP0906647A1 Computer-controlled internal combustion engine equipped with spark plugs
04/07/1999EP0906498A1 Method of operating a fuel injected engine
04/07/1999EP0906497A2 Improved time delay ignition circuit for an internal combustion engine
04/06/1999US5892942 Control system with microcomputer and associated electrically reconfigurable logic circuit
04/01/1999WO1999015769A1 Method and device for determining temperature values in a combustion engine
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