Patents for F02P 5 - Advancing or retarding electric ignition spark; Control therefor (9,022) |
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07/26/1977 | US4037577 Auto ignition system |
07/26/1977 | US4037571 Multi-cylinder internal combustion engine |
07/19/1977 | US4036190 Device for automatic control of electronic spark ignition advance for internal combustion engines |
07/12/1977 | US4035619 Analog computer, particularly for an ignition system for internal combustion engine |
07/12/1977 | US4034731 Ignition system for an internal combustion engine |
07/12/1977 | US4034726 Temperature compensated internal combustion engine ignition spark vacuum advance system |
07/12/1977 | US4034719 Control method and apparatus for combustion motors |
07/05/1977 | US4033305 Electronic ignition systems for an internal combustion engine |
07/05/1977 | US4033272 Electronic ignition timing system for an internal combustion engine |
06/28/1977 | US4031869 Ignition-timing adjusting system for spark-ignition internal combustion engines |
06/21/1977 | US4030467 Centrifugal adjusting mechanism for ignition interrupters of internal combustion engines |
06/21/1977 | US4030466 Synchronous rotor indexing mechanism |
06/21/1977 | US4030460 Ignition timing control apparatus for internal combustion engine |
06/14/1977 | US4029998 Capacitor discharge ignition circuit |
06/07/1977 | US4027633 Ignition timing control system |
06/07/1977 | US4027478 Multiple-cylinder internal combustion engine |
05/31/1977 | US4026251 Adaptive control system for power producing machines |
05/24/1977 | US4024845 Temperature responsive pneumatic ignition timing control device |
05/17/1977 | US4024485 Variable inductance transducer |
05/17/1977 | US4024483 Variable inductance transducers |
05/10/1977 | US4022177 Controlled spark duration ignition system |
05/10/1977 | US4022170 Circuit for generating a temperature compensated throttle advance signal having position and rate components |
05/10/1977 | US4022169 Control system for engine ignition timing |
05/03/1977 | US4020807 Ignition-control system for internal-combustion engine |
04/26/1977 | US4020455 Deceleration detector system for motor vehicles with automatic transmission |
04/19/1977 | US4018197 Spark ignition systems for internal combustion engines |
04/12/1977 | US4016853 Control system and improved pneumatically operated temperature controlled valve construction therefor or the like |
04/12/1977 | US4016844 Operation control system for vehicle engine |
04/12/1977 | US4016843 Ignition devices for automobiles |
04/05/1977 | US4015566 Electronic ignition control system for internal combustion engines |
04/05/1977 | US4015565 Spark-advance control apparatus for internal combustion engine |
03/29/1977 | US4014308 Ignition system and apparatus and method for generating timing signals therefor |
03/22/1977 | US4013050 Ignition system for a multifueled engine |
03/22/1977 | US4012942 Borderline spark knock detector |
03/08/1977 | US4010721 Vacuum delay/relief valve |
03/01/1977 | US4009699 Digital ignition spark timing angle control with read only memory |
03/01/1977 | US4009698 Internal combustion engine of ignition timing controllable type |
03/01/1977 | US4009697 Automatic ignition advance for an internal combustion engine |
02/22/1977 | US4009378 Ignition timing control system for an internal combustion engine |
02/22/1977 | US4008697 Internal combustion engine |
02/15/1977 | US4007588 Idling and part-load control of ignition distributor responsive to pressure upstream or downstream of throttle valve |
02/01/1977 | US4005693 Warming-up system for internal combustion engines |
02/01/1977 | US4005688 Ignition system for internal combustion engines |
01/18/1977 | US4003354 Means and method for controlling the occurrence and the duration of time intervals during which sparks are provided in a multicylinder internal combustion engine |
01/11/1977 | US4002155 Engine and engine spark timing control with knock limiting etc. |
01/04/1977 | US4000724 Ignition arrangements for internal combustion engines |
01/04/1977 | US4000723 Engine valve means and porting |
12/21/1976 | US3998193 Spark ignition systems |
12/21/1976 | US3998192 Ignition timing change-over device |
12/14/1976 | US3996955 Vacuum supply valve |
12/14/1976 | US3996911 Means and method for controlling the occurrence and the duration of time intervals during which sparks are provided in a multicylinder internal combustion engine |
12/07/1976 | US3995608 Ignition timing control system for internal combustion engine |
12/07/1976 | US3995607 Vacuum retard delay valve |
11/30/1976 | US3994269 Multistep fluid control valve |
11/09/1976 | US3990417 Electronic ignition system |
11/09/1976 | US3990416 Engine ignition distributor with magnetically held timing shift plate |
11/02/1976 | US3989024 Constant energy electronic ignition system |
10/26/1976 | US3987770 Heat responsive pneumatic ignition timing control device |
09/28/1976 | US3982555 Vacuum relay valve |
09/28/1976 | US3982553 Vacuum reducer valve assembly |
09/28/1976 | US3982512 Device for automatically adjusting the spark timing in an electronic ignition system for an explosion engine |
09/21/1976 | US3981282 Ignition systems and fuel injection systems for internal combustion engines |
09/14/1976 | US3980061 Fuel injection-spark ignition system for an internal combustion engine |
09/07/1976 | US3978833 Engine control circuit for providing a programmed control function |
09/07/1976 | US3978832 Servo mechanism |
09/07/1976 | US3978831 Control device for a vacuum advancer |
08/31/1976 | US3977373 Closed loop combustion pressure control |
08/24/1976 | US3976043 Means and method for controlling the occurrence and the duration of time intervals during which sparks are provided in a multicylinder internal combustion engine |
08/17/1976 | US3975609 Vacuum delay valve |
08/17/1976 | US3974817 Breakerless ignition control system |
08/17/1976 | US3974815 Signal source for use in a breakerless ignition system for an internal combustion engine |
08/10/1976 | US3973533 Ignition timing adjusting device for an internal combustion engine |
08/03/1976 | US3972310 Electronic internal combustion engine ignition spark vacuum and speed advance system |
07/27/1976 | US3971350 Distributor means for high speed engines |
07/13/1976 | US3969614 Method and apparatus for engine control |
07/13/1976 | US3968778 Electronic internal combustion engine ignition spark vacuum and speed advance system with ignition dwell time directly proportional to engine speed |
07/06/1976 | US3967596 Engine control systems |
06/29/1976 | US3965874 Ignition timing control apparatus |
06/22/1976 | US3964456 Ignition distributor |
06/22/1976 | US3964454 Differential ignition timing firing control system |
06/22/1976 | US3964443 Digital engine control system using DDA schedule generators |
06/15/1976 | US3963042 Internal combustion engine control system and improved pneumatically operated temperature controlled valve construction therefor or the like |
06/08/1976 | US3961618 Small engine ignition system with spark advance |
06/01/1976 | US3960125 Dual vacuum actuator ignition timing |
05/25/1976 | US3958543 Photoelectric breakerless distributor |
05/18/1976 | US3957023 Pressure responsive engine ignition control system |
05/18/1976 | US3957020 Ignition system for rotary piston engines |
05/11/1976 | US3955723 Electronic ignition spark advance system |
05/04/1976 | US3954090 Ignition timing control devices for engines |
04/27/1976 | US3953716 Control apparatus and process for combustion engines |
04/27/1976 | US3953715 Control apparatus and process for combustion engines |
04/27/1976 | US3952715 Variable and constant timing for breakerless ignition |
04/20/1976 | US3950981 Automatic system for suppressing the ground noise of apparatus for measuring the knocking |
04/06/1976 | US3948239 Signal generator for use in a breakerless ignition system for an internal combustion engine |
04/06/1976 | US3948232 Altitude compensated nonlinear vacuum spark advance control system |
03/30/1976 | US3946709 Tachometric and angular programming system for rotary device |
03/30/1976 | US3946708 Device for adjusting ignition time for internal combustion engine |
03/23/1976 | US3945350 Fuel injection systems for internal combustion engines |
03/16/1976 | US3943898 Electronic timing circuit for engine ignition |
03/16/1976 | US3943896 Electronic control of spark advance and dwell |