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 15 - Electric spark ignition having characteristics not provided for in, or of interest apart from, groups
Patents for F02P 15 - Electric spark ignition having characteristics not provided for in, or of interest apart from, groups (2,983)
04/1981
04/02/1981WO1981000885A1 Plasma jet ignition system
03/1981
03/24/1981US4258296 Inductive-capacitive charge-discharge ignition system
03/17/1981US4256563 Boron oxide, platinum group oxide, iron and manganese oxide
03/10/1981CA1097400A1 Dual spark plug system for exhaust gas recirculation engine
02/1981
02/17/1981US4250846 Electronic ignition system and an internal combustion engine equipped with this system
02/03/1981US4248201 Molded ignition device
01/1981
01/20/1981US4245594 Ignition device
01/13/1981US4245315 Ignition limp home circuit for electronic engine control systems
01/06/1981US4243005 Ignition system in dual spark plug ignition engine with EGR system
12/1980
12/16/1980US4239024 Fail-safe ignition coil dwell control system for an internal combustion engine
12/10/1980EP0020067A1 Test apparatus for testing internal combustion engine electronic spark ignition systems
12/09/1980US4237835 Speed-dependent ignition timing system for internal combustion engines
12/02/1980CA1090872A1 Multiple capacitor means ignition system
11/1980
11/18/1980CA1089925A1 Transistor ignition circuit
10/1980
10/29/1980EP0018217A1 Apparatus for supplying high voltage pulses
10/21/1980US4228778 Extended spark capacitor discharge ignition system
10/21/1980CA1087942A1 Distributor adapter
10/01/1980EP0016218A1 Device for controlling, in combustion motor machines, operations which are repetitive and which depend on running parameters.
09/1980
09/23/1980CA1086161A1 Method for reducing pollution due to an internal combustion engine
08/1980
08/26/1980CA1084609A1 Fuel ignition system including an igniter providing a lingering spark
08/26/1980CA1084574A1 Water repellent air filter for magneto casing
08/19/1980US4217873 Ignition circuit for self-purifying creeping discharge spark plugs
08/19/1980US4217872 Multiple spark ignition system for an internal combustion engine
07/1980
07/22/1980US4213428 Electromagnetic augmentation of internal combustion engines
07/22/1980CA1082298A1 Direct spark ignition system utilizing gated oscillator
07/09/1980EP0012784A1 High-frequency ignition device for internal-combustion engine
07/08/1980CA1081063A1 System for an internal combustion engine
07/01/1980US4210111 Electronic ignition control method and apparatus
07/01/1980CA1080792A1 Ignition spark timing control system for an internal combustion engine of the type having a plurality of spark plugs in each combustion chamber
06/1980
06/24/1980US4208992 Electronic ignition system
06/17/1980US4207851 Emergency ignition for internal combustion engines
06/17/1980CA1079795A1 C.d. ignition system with noise rejection means
05/1980
05/20/1980CA1077857A1 Internal combustion engine with exhaust cleaning measures
05/20/1980CA1077791A1 Ignition method and apparatus for internal combustion engine
05/13/1980US4202306 Multi-point spark ignition engine provided with exhaust recirculation circuit
05/06/1980US4201173 Ignition apparatus for multi-cylinder reciprocating internal combustion engine
04/1980
04/29/1980CA1076436A1 Internal combustion engine with exhaust gas recirculation system
04/22/1980US4198942 Dual spark plug ignition engine with EGR system
04/22/1980CA1076233A1 Electronic engine control system and method of making same
04/22/1980CA1075988A1 Internal combustion engine having two spark plugs for each combustion chamber and exhaust gas recirculation circuit
04/08/1980US4196711 Ignition system with ignition coil primary current control
04/08/1980CA1075106A1 Combustion chamber of two-point spark ignition type in internal combustion engine having exhaust recirculation circuit
04/08/1980CA1075105A1 Multi-point spark ignition engine provided with exhaust recirculation circuit
04/03/1980WO1980000597A1 Device for controlling,in combustion motor machines,operations which are repetitive and which depend on running parameters
04/01/1980US4195611 Consolidated ignition transformer and circuit assembly for an internal combustion engine ignition system
04/01/1980US4195508 Adjustably timed thread roll machine
04/01/1980CA1074645A1 Dual spark plug ignition internal combustion engine
03/1980
03/25/1980US4194479 Stackaruk engine
03/11/1980CA1073518A1 Electronic ignition device for internal combustion engines
03/11/1980CA1073295A1 Dual spark-ignition internal combustion engine
03/11/1980CA1073294A1 Internal combustion engine having improved cylinder head configuration
03/04/1980CA1072844A1 Dual spark plug ignition engine
02/1980
02/26/1980US4190022 Fuel injection system with correction for incidental system variables
02/26/1980CA1072641A1 Noise suppression device
02/19/1980CA1071956A1 Dual spark plug ignition internal combustion engine
02/12/1980CA1071484A1 Spark-ignition engine having improved ignition system
02/05/1980CA1071300A1 Selective threshold ignition circuit
01/1980
01/15/1980US4183340 Spark ignition systems for internal combustion engines
01/15/1980CA1069787A1 Dual spark plug ignition internal combustion engine having improved cylinder head configuration
01/01/1980US4181113 Engine ignition system with voltage monitoring
01/01/1980US4181112 High-voltage ignition system to generate a spark for an internal combustion engine, and method to generate the spark energy
01/01/1980CA1069169A Method and apparatus for igniting air-fuel mixture in an engine
12/1979
12/25/1979US4180031 Method and system for controlling ignition spark timing of an internal combustion engine of the multiple plugs type
12/25/1979CA1068772A Inductive spark ignition for combustion engine
12/18/1979CA1068329A1 Ignition timing control device for multiple-plug spark ignition system
12/11/1979US4177783 Dual spark plug ignition system
12/11/1979US4177782 Ignition system providing sparks for two ignition plugs in each cylinder from a single ignition coil
12/11/1979US4177640 Pollution control
12/11/1979CA1067757A1 Power propelled boat
11/1979
11/20/1979US4174696 Ignition system
11/13/1979US4173962 Ignition system with essentially constant ignition coil energy supply
11/13/1979US4173961 Inductive solid state magneto ignition system
10/1979
10/30/1979US4172439 Break ignition plug
10/30/1979CA1065216A1 Internal combustion engine with improved exhaust valve arrangement
10/16/1979CA1064345A1 Dual spark plug ignition internal combustion engine having improved cylinder head
10/09/1979US4170212 Ignition system for rotary piston engines
10/09/1979CA1063895A1 Engine with air-cooled non-contact ignition system
09/1979
09/18/1979CA1062766A1 Capacitor discharge ignition system
08/1979
08/28/1979CA1061205A1 Multiple spark-ignition internal combustion engine
08/21/1979US4164912 Method for reducing pollution due to an internal combustion engine
08/14/1979US4164261 Ignition apparatus for rotary piston engine
08/07/1979US4163437 Transistor ignition circuit
07/1979
07/31/1979US4162669 Ignition system for rotary piston engines
07/31/1979US4162665 Multi-spark ignition system for internal combustion engines
07/17/1979US4161156 Power propelled boat with improved electrical connector
07/17/1979CA1058463A1 Internal combustion engine system with an air-fuel mixture shut off means
06/1979
06/13/1979EP0002239A1 Flexible high tension cord for internal combustion engine
05/1979
05/29/1979CA1055340A Dual spark-ignition internal combustion engine
05/22/1979CA1054879A1 Multiple spark ignition internal combustion engine with exhaust gas recirculation
05/15/1979US4154205 Capacitor ignition system for internal-combustion engines
05/08/1979US4153034 Magneto casing
05/08/1979CA1054001A1 Spark-ignition internal combustion engine equipped with exhaust gas recirculation system
04/1979
04/24/1979CA1053098A1 Ignition distributor having independent ignition system breaker arm contacts simultaneously engaging a common conductive post
04/17/1979US4149508 Electronic ignition system exhibiting efficient energy usage
04/17/1979CA1052857A1 Timing of internal combustion as function of operating parameters
03/1979
03/27/1979US4146857 Ignition coil for engine ignition system
03/20/1979US4144860 Dual spark plug ignition engine
03/13/1979CA1050607A1 Ignition system for igniting fuel oil
03/06/1979US4143329 Signal sampling circuit
03/06/1979US4142505 Ignition system means for a rotary piston engine
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