Patents for F02P 15 - Electric spark ignition having characteristics not provided for in, or of interest apart from, groups (2,983)
03/1979
03/06/1979US4142501 Internal combustion engine having improved cylinder head configuration
03/06/1979CA1050100A1 Ignition pulse generator
03/06/1979CA1049868A1 Internal combustion engine system with catalytic converter and mechanism for stable combustion or air-fuel mixture diluted with combustion gas
02/1979
02/20/1979US4140946 Transient modulation ignition system
02/20/1979CA1049090A1 Means and method for controlling the occurrence and the duration of time intervals during which sparks are provided in a multicylinder internal combustion engine
02/13/1979US4138977 Ignition system for internal combustion engine
02/13/1979CA1048355A1 Spark-ignition internal combustion engine capable of preventing noxious gas emissions
02/07/1979EP0000652A1 Internal combustion engine spark ignition apparatus producing an oscillating discharge current of a capacitor
02/06/1979US4138710 Ignition device
02/06/1979US4137883 Device for suppressing disturbance electric wave for motorcycles
01/1979
01/30/1979US4137501 Noise suppression device
01/30/1979CA1047338A1 Internal combustion engine with plural spark plugs for each combustion chamber and exhaust recirculation circuit
01/30/1979CA1047337A1 Method and an apparatus to control the temperature of an engine exhaust gas purifying device
01/23/1979US4136301 Spark plug igniter comprising a dc-dc converter
01/16/1979US4134370 Engine with air-cooled non-contact ignition system
01/09/1979US4133331 Dual spark-plug ignition internal combustion engine with improved combustion chamber wall
01/09/1979US4133330 Multi-point spark ignition engine provided with exhaust recirculation circuit
01/09/1979US4133329 Electronic ignition device for internal combustion engines
01/02/1979US4132969 Ignition coils
12/1978
12/26/1978US4131100 Multiple spark discharge circuitry
12/19/1978CA1044751A1 Continuous-wave high-frequency ac ignition system
12/12/1978US4129895 Current wave shapes for jet engine fuel igniters
12/05/1978US4128900 Programmable read only memory for electronic engine control
12/05/1978US4128082 Electronic fuel injection control device
11/1978
11/07/1978US4124003 Ignition method and apparatus for internal combustion engine
10/1978
10/17/1978US4121064 Ignition distributor having independent ignition system breaker arm contacts simultaneously engaging common conductive post
09/1978
09/26/1978US4116181 Dual spark plug ignition internal combustion engine
09/26/1978US4116180 Internal combustion engine with improved exhaust valve arrangement
09/26/1978US4116179 Dual spark-ignition internal combustion engine
09/26/1978US4116176 Dual spark plug ignition internal combustion engine having improved cylinder head configuration
09/26/1978US4116175 Internal combustion engine ignition spark timing system modulated by cylinder combustion pressure
09/12/1978US4114068 Spark plug with combustion pressure switches
09/12/1978US4112890 Controlled ignition system for an internal combustion engine to provide, selectively, one or more ignition pulses for any ignition event
09/12/1978CA1038444A1 Ignition system employing controlled-duration continuous-wave high-frequency spark energy
09/05/1978CA1038028A1 Ferroresonant capacitor discharge ignition system
08/1978
08/29/1978US4109632 GTO Ignition circuit
08/15/1978US4106471 Internal combustion engine system with an air-fuel mixture shut off means
08/08/1978US4105007 Device for suppressing ignition noise
07/1978
07/18/1978US4100907 Start-to-run circuit for an electronic ignition system
07/18/1978US4100736 Spark-ignition internal combustion engine equipped with exhaust gas recirculation system
07/11/1978US4099495 Method and apparatus to determine the timing of a periodically repetitive event with respect to the position of a rotating body, and more particularly ignition timing, fuel injection timing, and the like, in automotive internal combustion engines
06/1978
06/20/1978US4095564 Method and apparatus for igniting air-fuel mixture in an engine
05/1978
05/30/1978US4091615 Internal combustion engine with plural spark plugs for each combustion chamber and exhaust recirculation circuit
05/09/1978US4088108 Multiple capacitor means ignition system
04/1978
04/11/1978US4084240 Mass production of electronic control units for engines
03/1978
03/14/1978US4078533 Internal combustion engine having an auxiliary combustion chamber
01/1978
01/31/1978US4070999 Gasoline engine of four-cycle spark ignition type
01/24/1978US4070143 Fuel ignition system including an igniter providing a lingering spark
01/24/1978US4069801 Electronic ignition system
01/17/1978US4068643 Multiple spark ignition system
12/1977
12/20/1977US4064415 Inductive spark ignition for combustion engine
12/13/1977US4063107 Method and apparatus for producing interference-free pulses
12/06/1977US4061113 Process for reducing the pollution due to an internal combustion engine, and an engine including the application of said process
10/1977
10/04/1977US4051827 Selective threshold ignition circuit
09/1977
09/20/1977US4048972 Ignition coil for internal combustion engines
08/1977
08/23/1977US4043302 Solid state ignition system and method for linearly regulating the dwell time thereof
07/1977
07/12/1977US4034732 Non-incendive shut-down system for engine magnetos
06/1977
06/14/1977US4029072 Igniting apparatus for internal combustion engines
05/1977
05/31/1977US4027198 Capacitor discharge ignition system
04/1977
04/26/1977US4020413 Emergency auto ignition kit and spark plug tester
04/26/1977US4019854 Direct spark ignition system utilizing gated oscillator
04/12/1977US4016849 Apparatus for increasing the ignition voltage of internal combustion engines
03/1977
03/15/1977US4011841 Gasoline engine of four-cycle ignition type
02/1977
02/15/1977US4007724 C. D. ignition system with noise rejection means
01/1977
01/25/1977US4004561 Ignition system
01/18/1977US4003354 Means and method for controlling the occurrence and the duration of time intervals during which sparks are provided in a multicylinder internal combustion engine
01/04/1977US4001638 Ignition system
01/04/1977US4000729 Ignition system bypass unit
01/04/1977US4000724 Ignition arrangements for internal combustion engines
12/1976
12/14/1976US3996911 Means and method for controlling the occurrence and the duration of time intervals during which sparks are provided in a multicylinder internal combustion engine
11/1976
11/16/1976US3991733 Spark ignition systems for internal combustion engines
09/1976
09/28/1976US3983461 Ignition pulse generator
09/28/1976US3982502 Ignition system for a rotary piston combustion engine
06/1976
06/22/1976US3964454 Differential ignition timing firing control system
06/08/1976US3961613 Controlled spark-duration ignition system
05/1976
05/18/1976US3957020 Ignition system for rotary piston engines
04/1976
04/27/1976US3952717 Ignition system with adjustable contact breaker current
04/13/1976US3949718 Engine spark ignition system corona coupler
03/1976
03/23/1976US3945362 Internal combustion engine ignition system
03/02/1976US3941112 Ignition device for internal combustion engines
02/1976
02/17/1976US3938489 Ignition system for two-cylinder engines
02/03/1976US3935844 Ignition timing control system
01/1976
01/27/1976US3934570 Ferroresonant capacitor discharge ignition system
1 ... 20 21 22 23 24 25 26 27 28 29 30