Patents
Sitemap › F02 - Combustion engines; Hot-gas or combustion-product engine plants › F02P - Ignition, other than compression ignition, for internal-combustion engines; Testing of ignition timing in compression-ignition engines › F02P 5 - Advancing or retarding electric ignition spark; Control therefor
Patents for F02P 5 - Advancing or retarding electric ignition spark; Control therefor (9,022)
09/1989
09/05/1989US4862862 Engine ignition control device
09/05/1989CA1259058A1 Light source having automatically variable hue, saturation and beam divergence
08/1989
08/29/1989US4860711 Engine with variable compression ratio
08/23/1989EP0329165A2 Engine-control apparatus
08/23/1989EP0328622A1 Fuel octane evaluation system
08/22/1989US4858585 Electronically assisted engine starting means
08/22/1989US4858580 Knocking control system for internal combustion engine
08/15/1989US4856610 System for controlling at least one variable influencing the drive torque of an internal combustion engine of a motor vehicle
08/15/1989US4856489 Ignition timing control apparatus for an internal combustion engine
08/15/1989US4856481 Engine knocking control unit
08/15/1989US4856480 Apparatus for controlling ignition timing in internal combustion
08/15/1989US4856479 Ignition timing control apparatus for an internal combustion engine
08/15/1989US4856478 Vacuum control valve
08/09/1989EP0326898A1 Method of detecting misfiring in combustion engines
08/08/1989US4855919 Method and circuitry for the driving of driver stages for functions of internal combustion engines for automotive vehicles especially for fuel injection or ignition
08/08/1989US4854286 Device for adapting the air/fuel metering system and the ignition system of an internal combustion engine to enable the engine to run with all normally available grades of petrol (gasoline) fuel
08/08/1989US4854285 Electronic control circuit for internal-combustion engines
08/02/1989EP0326193A2 Ignition timing control method and apparatus for an internal combustion engine having a plurality of cylinders
08/02/1989EP0326065A2 Controlling engine fuel injection
08/02/1989EP0325587A1 Ignition and injection system for internal combustion engines.
08/01/1989US4852541 Distributor for internal combustion engine
08/01/1989US4852537 Ignition timing control apparatus for internal combustion engine
08/01/1989US4852536 Trigger system for ignition system for internal combustion engines
07/1989
07/25/1989US4850446 Motor vehicle propulsion control when accelerating from a stationary position
07/18/1989US4848299 System and method for controlling an ignition timing for an internal combustion engine
07/18/1989US4848298 Device for controlling internal combustion engine
07/11/1989US4846130 Engine ignition timing with knock control by combustion pressure harmonic amplitude ratio
07/11/1989US4846129 Ignition system improvements for internal combustion engines
07/11/1989US4846128 Ignition timing control system for internal combustion engine
07/04/1989US4844034 Ignition timing control apparatus
07/04/1989US4844027 System for controlling the ignition timing of an internal combustion engine
07/04/1989US4844026 Spark ignition timing control system for internal combustion engine with feature of suppression of jerking during engine acceleration
06/1989
06/28/1989EP0321508A1 Internal combustion engine with exhaust return system, in particular otto engine
06/27/1989US4843556 Method and apparatus for controlling an internal combustion engine
06/27/1989US4841935 Variable air induction control system for internal combustion engine
06/27/1989US4841933 Adaptive control system for an internal combustion engine
06/27/1989US4841932 Spark timing control
06/21/1989EP0320707A1 Idling speed stabilizing system for a combustion engine
06/20/1989US4840158 Ignition timing control apparatus for an internal combustion engine
06/14/1989EP0319925A2 System for controlling automotive automatic transmission
06/13/1989US4838228 Ignition timing control apparatus
06/07/1989CN2038956U Distributor suitable for large igniting advance angle
06/07/1989CN2038955U Engine cam shaft time gear capable of automatically adjusting gas-distribution phase angle
05/1989
05/30/1989US4834047 Spark-ignition internal combustion engine
05/30/1989US4834031 Variable compression-ratio control device for an internal combustion engine
05/30/1989CA1254941A1 High resolution electronic ignition control system
05/18/1989WO1989004426A1 Crankshaft angle sensing system
05/18/1989WO1989004425A1 User modifiable fuel injection computer
05/18/1989WO1989004423A1 Method for delivering an engine shutdown signal
05/16/1989US4829962 Procedure for determining optimum ingnition times with regard to engine operation
05/16/1989US4829961 Linkage for activating throttle and spark advance
05/16/1989US4829956 Method and apparatus for detecting discrete levels of detonation in an internal combustion engine
05/10/1989EP0315171A2 Apparatus and method of electronically controlling engine
05/09/1989US4829439 Method of selectively adapting an electronic control unit for internal combustion engines
05/09/1989US4827886 Crank angle detecting system for an internal combustion engine
05/09/1989US4827885 Engine idling speed control system
05/02/1989US4825843 Emission control system
05/02/1989US4825836 Internal combustion engine with turbo-charger and knocking control system
05/02/1989US4825832 System and method for controlling an ignition timing for an internal combustion engine
04/1989
04/25/1989US4823753 Ignition timing controller for engine
04/20/1989DE3833620A1 Device for manually adjusting the ignition point
04/18/1989US4821702 Engine spark control apparatus
04/18/1989US4821697 Fuel octane evaluation system
04/12/1989EP0311097A2 Fuel combustion control apparatus for engine
04/11/1989US4819603 System and method for controlling ignition timing for an internal combustion engine
04/11/1989US4819600 Knock detection system for an internal combustion engine
04/11/1989US4819599 Device for controlling the ignition timing of an internal combustion engine
04/05/1989CN2035396U Electronic ignitor for motorcycle model 250
04/04/1989US4819171 Engine spark timing control system
04/04/1989US4817577 Breakerless ignition system with electronic advance
03/1989
03/29/1989EP0309103A2 Adaptive control system for an internal combustion engine
03/21/1989US4814997 Method and apparatus for estimating an atmospheric pressure based on an intact air pressure at a certain time
03/21/1989US4813393 Electronic ignition system
03/15/1989EP0307325A1 Ignition control circuit
03/14/1989US4811714 Ignition timing control device for internal combustion engine
03/07/1989US4809668 Ignition system for internal combustion engine
03/07/1989US4809662 Internal combustion engine ignition system
03/07/1989US4809661 Ignition system for internal combustion engine
03/07/1989US4809660 Engine spark timing control for torque management of a motor vehicle drivetrain
03/01/1989CN2033450U Inductance type contactless electronic ignitor
02/1989
02/28/1989US4807572 Timing of fuel injected engines
02/23/1989WO1989001571A1 Fuel octane evaluation system
02/23/1989WO1989001570A1 Reversibly rotating engine
02/21/1989US4807137 Arrangement for the generation of a trigger pulse
02/21/1989US4805574 Ignition timing control system for an internal combustion engine
02/21/1989US4805442 Knocking sensor for internal combustion engine
02/16/1989DE3726313A1 Coding device for spark ignition engines of motor vehicles
02/14/1989US4803967 System for controlling ignition timing of an internal combustion engine
02/09/1989WO1989000933A1 Engine overspeed control circuit with defeat detection
02/08/1989EP0302735A2 Control apparatus of an internal combustion engine
02/08/1989EP0230405B1 Ignition device with magnetic generator for internal combustion engine
02/07/1989US4802455 Knocking control system and method for an internal combustion engine
02/07/1989US4802454 Device for controlling ignition timing in internal combustion engine
01/1989
01/26/1989WO1989000641A1 Process and device for controlling technical installations and machines
01/25/1989EP0300896A1 Trigger of an event in phased relation to an angular position of a rotating organ, and its use
01/24/1989US4800500 Method of detecting cylinder pressure in internal combustion engine
01/24/1989US4800499 Apparatus for processing engine operation detection signals
01/24/1989US4799469 Apparatus and method for controlling ignition timing for internal combustion engine
01/17/1989US4798083 System for measuring intake airflow rate in an engine
01/12/1989WO1989000241A1 Internal combustion engine, in particular otto engine with exhaust return system
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