Patents for F02P 9 - Electric spark ignition control, not otherwise provided for (1,707)
12/1990
12/13/1990WO1990015242A1 Semiconductor switch, especially a high-tension ignition switch for an internal combustion engine
12/11/1990US4976234 Internal combustion engine stop device
11/1990
11/27/1990US4972822 Ignition apparatus for an internal combustion engine
11/20/1990US4971010 Method and apparatus for misfiring detection and control in an internal combustion engine
11/20/1990US4971001 Engine shut-off system
10/1990
10/23/1990US4964385 Engine overspeed control
10/10/1990EP0390780A1 High-voltage switch.
10/02/1990US4959996 Control signal generator for an internal combustion engine
09/1990
09/18/1990US4957091 Dual schedule ignition system
09/11/1990CA1274008A1 Overspeed/overheat circuit with a latch for capacitive ignition systems
09/07/1990WO1990010154A1 Method and high voltage increaser device for i.c. combustion motors
08/1990
08/28/1990US4951640 Method of controlling ignition of internal combustion engine
08/28/1990US4951625 Internal combustion engine stop device
08/28/1990US4951624 Ignition control for an engine to prevent overheating and backfiring
08/28/1990US4951620 Positive starting circuit
08/21/1990US4949684 Starting system for internal combustion engine
08/21/1990CA1273053A1 Voltage doubling coil for cd system producing pulsed plasma ignition
08/14/1990US4947810 Method and arrangement for improving the starting ability of an internal combustion engine, when an attempt to start the engine has failed
07/1990
07/31/1990US4944280 Separated circuit hot spark producing apparatus
07/03/1990US4938200 For an internal combustion engine
07/03/1990US4938189 Automatic ignition control system
06/1990
06/20/1990CN1008465B Advancing ignition angle variation installation of combustion engines by using microprocessor
06/13/1990DE3841739A1 Device for detecting ignition signals
05/1990
05/23/1990EP0369236A2 Apparatus and method for providing ignition to a turbine engine
05/23/1990DE3938257A1 Ignition control for motorcycle engine - adjusts ignition timing to limit engine load in bottom velocity range
05/09/1990EP0366723A1 Engine overspeed control circuit with defeat detection
04/1990
04/17/1990CA1267930A1 Combustion initiation system employing hard discharge ignition
04/10/1990US4915087 Ignition system with enhanced combustion and fault tolerance
04/04/1990EP0361691A2 Ignition system with enhanced combustion and fault tolerance
03/1990
03/27/1990US4911126 Transistor ignition circuit
03/20/1990US4909228 Ignition apparatus
03/08/1990DE3840315C1 Ignition system
02/1990
02/27/1990US4903662 Spark timing controller for spark ignited internal combustion engine
02/20/1990EP0339043A4 Formation of electric field discharges.
02/14/1990CN2052823U Automatic ignitting system for autocrane
02/06/1990US4898132 Engine starting apparatus for marine propulsion engine
01/1990
01/31/1990EP0352296A1 Ignition interrupt system with stall interval.
01/16/1990US4894602 Overvoltage protection system for marine ignition and regulator circuitry
01/11/1990DE3822794A1 Distributorless capacitor ignition system for internal combustion engines
01/09/1990US4892080 Ignition system for internal combustion engine
01/09/1990US4892073 Ignition system for internal combustion engines
12/1989
12/28/1989WO1989012740A1 Method and apparatus for driving an auxiliary device of an internal combustion engine
12/14/1989WO1989012165A1 Overvoltage protection system for marine ignition and regulator
12/12/1989US4886036 Method and arrangement for generating ignition sparks in an internal combustion engine
11/1989
11/28/1989US4883928 Float switch, a control apparatus and a warning apparatus of an engine
11/28/1989US4883033 Ignition timing control system for internal combustion engines
11/02/1989EP0339043A1 Formation of electric field discharges
08/1989
08/29/1989US4862093 Method and an arrangement for the detection of ionizing current in the ignition system of an internal combustion engine including engine start sequence detection
08/22/1989US4858587 Ignition device for an internal combustion engine
08/22/1989US4858585 Electronically assisted engine starting means
07/1989
07/25/1989USRE32998 Ignition interrupt system with stall interval
07/18/1989US4848287 Method and system for controlling spark ignition in internal combustion engine
07/11/1989US4846129 Ignition system improvements for internal combustion engines
07/05/1989EP0323412A2 An ignition system for an internal combustion engine for motor vehicles, particularly of the static-distribution type
06/1989
06/27/1989US4841925 Enhanced flame ignition for hydrocarbon fuels
05/1989
05/16/1989US4829972 Magnet-flywheel ignition unit for internal combustion engines
05/16/1989US4829970 Ignition system
05/10/1989EP0315348A2 Ignition apparatus
04/1989
04/11/1989US4820957 Process for burning a carbonaceous fuel using a high energy alternating current wave
04/06/1989DE3732827A1 High-voltage ignition system
03/1989
03/23/1989WO1989002528A1 High-voltage switch
03/09/1989DE3729051A1 Ignition coil
03/01/1989EP0305348A1 A method and arrangement for improving the starting ability of an internal combustion engine, when an attempt to start the engine has failed
03/01/1989EP0305347A1 A method and an arrangement for the detection of ionizing current in the ignition system of an internal combustion engine
02/1989
02/09/1989WO1989000933A1 Engine overspeed control circuit with defeat detection
01/1989
01/24/1989US4800499 Apparatus for processing engine operation detection signals
01/04/1989EP0297584A2 Ignition system for internal combustion engine
11/1988
11/29/1988US4787360 Electronically-controlled plasma ignition device for internal combustion engines
11/15/1988US4784105 High performance digital ignition system for internal combustion engines
10/1988
10/11/1988US4776311 Process and device for limiting the running speed of an internal combustion engine with electronic ignition
10/06/1988WO1988007629A1 Ignition interrupt system with stall interval
09/1988
09/22/1988DE3708379A1 Magnet ignition system for a spark-ignition internal combustion engine
09/13/1988US4770142 Ignition timing control system for internal combustion engine
09/07/1988EP0280716A1 Method and arrangement for generating ignition sparks in an internal combustion engine.
08/1988
08/30/1988US4766855 Plasma jet ignition apparatus
08/10/1988EP0277278A1 Ignition system
08/02/1988US4760820 Plasma jet ignition apparatus
07/1988
07/27/1988EP0275984A2 Capacitive ignition installation, especially for small petrol engines, having a retardation adjustment
07/07/1988DE3713368A1 Plasmastrahl-zuendvorrichtung Plasma jet ignitor
07/05/1988US4755790 Float switch, a control apparatus and a warning apparatus of an engine
06/1988
06/30/1988WO1988004729A1 Formation of electric field discharges
06/15/1988CN86108044A Process for controlling engine ignition
06/14/1988CA1238080A1 Ignition system with additional functions
06/08/1988EP0270162A1 Magnet-flywheel ignition unit for internal combustion engines
05/1988
05/25/1988EP0268528A1 Ignition device for an internal-combustion engine
05/10/1988US4742681 Multi-cylinder internal combustion engine with fuel injection, in particular a turbo-engine
04/1988
04/19/1988US4739185 Pulse generating circuit for an ignition system
04/05/1988US4736323 Signal transmission system between signal processor and ignitor
03/1988
03/29/1988US4733644 For an internal combustion engine
03/10/1988WO1988001690A1 Method and arrangement for generating ignition sparks in an internal combustion engine
03/01/1988US4727891 Ignition system
02/1988
02/23/1988US4726798 Spark ignition of a marine propulsion internal combustion engine
12/1987
12/17/1987WO1987007682A1 Method for controlling spark ignition in internal combustion engines
12/15/1987US4712521 For an internal combustion engine
12/01/1987US4710681 Process for burning a carbonaceous fuel using a high-energy alternating current wave
11/1987
11/24/1987US4708121 Engine analysers
11/12/1987DE3615395A1 Sparkplug which is intended for an internal combustion engine
11/05/1987DE3711300A1 Ignition system for a spark-ignition internal combustion engine
10/1987
10/28/1987EP0242839A2 Electronically-controlled plasma ignition system for internal combustion engines
10/27/1987US4702221 Ignition device for an internal combustion engine
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