Patents for F02P 15 - Electric spark ignition having characteristics not provided for in, or of interest apart from, groups (2,983)
12/1989
12/13/1989EP0346295A1 Multiple-spark ignition system for internal combustion engines, particularly for motor vehicles
12/13/1989EP0345879A1 Ignition device for an internal combustion engine with two spark plugs per cylinder
12/12/1989US4886036 Method and arrangement for generating ignition sparks in an internal combustion engine
11/1989
11/23/1989EP0342376A2 Electronic position sensor assembly and control system
11/02/1989EP0340083A1 Ignition coil for internal combustion engines of automobile vehicles and process of fabrication
10/1989
10/31/1989CA1262559A1 Ignition system with safety circuit
10/25/1989EP0338665A2 Ignition system
09/1989
09/26/1989US4870587 Method of discriminating a stroke of a 4-cycle internal combustion engine
09/21/1989WO1989008778A1 Cylinder recognition apparatus for a distributorless ignition system
09/19/1989US4867108 Positive electrostatic power system
09/05/1989US4862863 Electronic ignition apparatus including ignition-noise making signal generator
08/1989
08/23/1989EP0329188A2 Noise-suppressing high voltage cable and method of manufacturing thereof
08/23/1989EP0329099A1 Ignition system
08/22/1989US4858586 Method and device for igniting engines
08/22/1989US4858585 Electronically assisted engine starting means
08/15/1989US4856488 Ignition system for an internal combustion engine
08/02/1989EP0325587A1 Ignition and injection system for internal combustion engines.
07/1989
07/18/1989US4848305 Dual ignition system for internal combustion engines
07/18/1989US4848287 Method and system for controlling spark ignition in internal combustion engine
07/11/1989US4847563 Distributorless ignition interface
07/11/1989US4846129 Ignition system improvements for internal combustion engines
07/04/1989US4844025 Dual spark plug combustion chamber
06/1989
06/29/1989WO1989005916A1 Multipoint spark ignition system
06/21/1989EP0227695A4 Skew insensitive fault detect and signal routing device.
06/20/1989US4840165 Continuous spark electronic igniter
06/07/1989EP0319496A1 A method for achieving an elevated charge of an ignition capacitor in a capacitive type ignition system
06/06/1989US4836176 Ignition apparatus of electronic distribution type for multi-cylinder internal combustion engine
05/1989
05/30/1989US4834056 Ignition coil unit for internal combustion engines
05/30/1989CA1254944A1 Method and apparatus for monitoring operation of a spark ignition device in a gas turbine engine
05/18/1989DE3738004A1 Starting-aid device for spark ignition engines
05/11/1989DE3736630A1 Combustion method
05/05/1989WO1989003937A1 Ignition device for internal combustion engines
05/02/1989US4825844 Ignition system for an internal combustion engine
04/1989
04/12/1989CN1003880B Four stroke internal combustion engine
04/11/1989US4821194 Cylinder combustion monitoring apparatus
04/11/1989US4820957 Process for burning a carbonaceous fuel using a high energy alternating current wave
04/05/1989CN2035397U Multi-function strong ignitor for gasoline automobile
03/1989
03/28/1989US4815422 Four stroke piston engine
03/23/1989WO1989002528A1 High-voltage switch
03/23/1989WO1989002527A1 High-voltage switch
03/01/1989EP0305349A1 A method for improving the starting ability of an internal combustion engine during an engine start
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
02/1989
02/23/1989WO1989001570A1 Reversibly rotating engine
02/21/1989US4805570 In an internal combustion engine
02/14/1989US4804923 Voltage control system
02/07/1989US4803454 Ignition coil
02/01/1989EP0301892A1 Semiconductor device on a substrate
01/1989
01/04/1989EP0297584A2 Ignition system for internal combustion engine
01/03/1989US4795979 Method and apparatus for determining cylinder #1 power firing event in wasted spark ignition systems
01/03/1989US4794897 Engine control system of marine outboard engine
12/1988
12/06/1988US4788956 Method of detecting abnormality in crank angle signal of internal combustion engines
11/1988
11/29/1988US4787355 Crank angle detecting system for an internal combustion engine
11/22/1988US4785789 Method and system for controlling the spark ignition of ignition elements in an internal combustion engine
11/15/1988US4784105 High performance digital ignition system for internal combustion engines
11/15/1988US4784097 Combustion chamber for internal combustion engine
11/02/1988CN87217040U Multi-point igniting current divider for internal combustion engine
10/1988
10/04/1988US4774914 Electromagnetic ignition--an ignition system producing a large size and intense capacitive and inductive spark with an intense electromagnetic field feeding the spark
09/1988
09/27/1988US4773381 Rotational signal detecting apparatus for internal combustion engine
09/13/1988US4770152 Ignition device for an internal combustion engine
09/07/1988EP0281528A1 Variable-energy-spark ignition system for internal combustion engines, particularly for motor vehicles
09/07/1988EP0280716A1 Method and arrangement for generating ignition sparks in an internal combustion engine.
08/1988
08/30/1988US4767967 High voltage generating device
08/17/1988EP0265492A4 High performance digital ignition system for internal combustion engines.
08/09/1988US4762105 Control system for an extrinsic-ignition internal combustion engine responsive to an engine load signal provided to dual control units
07/1988
07/27/1988CN87108250A Multi-point spark spacer for internal combustion engine
07/26/1988US4760341 Method and apparatus for monitoring operation of a spark ignition device in a gas turbine engine
07/19/1988US4757798 Electronic distribution backup apparatus
07/06/1988CN87208178U Automobile high energy igniter
06/1988
06/22/1988EP0272225A1 Electrical monitoring device for enabling the identification of the working phases of a cylinder of a controlled-ignition internal combustion engine
06/08/1988EP0269671A1 Method for controlling the spark ignition in the ignition system of an internal combustion engine and arrangement for carrying out the method.
06/08/1988CN86107987A Continuously sparking electronic ignitor
06/07/1988US4748946 SOHC type internal combustion engine
06/01/1988EP0269117A1 Continuous spark electronic igniter
06/01/1988EP0153927B1 Ignition unit in the ignition system of an internal combustion engine
05/1988
05/31/1988US4747389 Crank angle detecting system for engines
05/10/1988US4742811 Ignition control system for internal combustion engines
05/10/1988US4742804 Spark-ignition engine
05/04/1988EP0265492A1 High performance digital ignition system for internal combustion engines
04/1988
04/21/1988WO1988002817A1 Ignition and injection system for internal combustion engines
04/05/1988US4736179 Ignition coil for internal combustion engines
03/1988
03/29/1988US4733646 Automotive ignition systems
03/24/1988DE3730291A1 Zuendspule fuer mehrzylinder-brennkraftmaschine Ignition Coil for multi-cylinder internal combustion engine
03/15/1988US4730587 Control device of an internal combustion engine
03/15/1988US4730582 Performing spark plug
03/10/1988WO1988001690A1 Method and arrangement for generating ignition sparks in an internal combustion engine
03/03/1988DE3732090A1 Follow-on spark ignition device for internal combustion engines
03/01/1988US4727891 Ignition system
02/1988
02/23/1988US4726205 Ignition key with transmitter
02/10/1988CN86207690U New-type sparking plug
01/1988
01/28/1988WO1988000646A1 Activating process for gasoline-air mixture and equipment thereof
01/12/1988US4718395 Ignition control system for internal combustion engine
01/12/1988US4718389 Apparatus for the control of repetitive events dependent on operating parameters of internal combustion engines
12/1987
12/29/1987US4715337 Engine ignition system with an insulated and extendable extender
12/17/1987WO1987007682A1 Method for controlling spark ignition in internal combustion engines
12/15/1987CA1230373A1 Ignition transformer and spark plug cover assembly
12/09/1987EP0248550A1 Voltage control system
12/08/1987US4711227 Apparatus and method for electronic ignition control
12/01/1987US4710681 Process for burning a carbonaceous fuel using a high-energy alternating current wave
12/01/1987US4709669 Ignition arrangement for an internal combustion engine of a handheld portable tool
11/1987
11/19/1987WO1987006979A1 Method for controlling the spark ignition in the ignition system of an internal combustion engine and arrangement for carrying out the method
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