Patents for F02P 5 - Advancing or retarding electric ignition spark; Control therefor (9,022) |
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09/12/1978 | US4112885 Throttle valve control system for an internal combustion engine |
09/12/1978 | CA1038469A1 Deceleration detector system for motor vehicles with automatic transmission |
09/05/1978 | US4111178 Ignition system for use with fuel injected-spark ignited internal combustion engines |
09/05/1978 | US4111174 Ignition system with idle speed governor apparatus |
09/05/1978 | US4111168 Ignition distributor-circuit breaker assembly for internal combustion engines |
09/05/1978 | US4111035 Engine knock signal generating apparatus with noise channel inhibiting feedback |
09/05/1978 | US4111010 Automotive internal combustion engine |
08/29/1978 | CA1037553A1 Electronic internal combustion engine ignition spark vacuum and speed advance system |
08/29/1978 | CA1037329A1 Actuation delay control system in vacuum actuator |
08/29/1978 | CA1037328A1 Ignition timing apparatus for internal combustion engines |
08/22/1978 | US4109164 Circuitry for generating ramp type signals |
08/22/1978 | US4108372 Engine control system and a differential vacuum regulator therefor or the like |
08/22/1978 | US4108131 Capactive discharge ignition circuit |
08/22/1978 | CA1037109A1 Electronic internal combustion engine ignition spark vacuum and speed advance system with ignition dwell time directly proportional to engine speed |
08/15/1978 | US4106448 Internal combustion engine and method of operation |
08/15/1978 | US4106447 Engine spark timing system with retard means and minimum burn timer |
08/15/1978 | US4106440 Electronic spark timing adjustment circuit |
08/08/1978 | US4104998 Engine control system |
08/08/1978 | US4104997 Multiple slope ignition spark timing circuit |
08/08/1978 | US4104881 Prevention of overheating of catalytic converter for engine exhaust gases |
08/01/1978 | US4103653 Method of and apparatus for controlling ignition timing of an internal combustion engine |
08/01/1978 | US4103486 Method of controlling temperature in thermal reactor for engine exhaust gas and ignition system for performing same |
07/25/1978 | US4102310 Electronic circuit for use in a variety of engine control systems |
07/18/1978 | US4100895 Electronic ignition timing control system for an internal combustion engine |
07/18/1978 | US4100894 Flow restrictor |
07/11/1978 | US4099507 Method and system to control the duty cycle of a pulse voltage changing in frequency |
07/11/1978 | US4099498 Contactless ignition apparatus for internal combustion engine |
07/11/1978 | US4099497 Internal combustion engine having exhaust emission control system |
07/11/1978 | US4099495 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 |
07/04/1978 | US4098245 Apparatus for controlling the ignition timing of an internal combustion engine |
07/04/1978 | US4098244 Control system for an internal combustion engine |
07/04/1978 | US4098243 Ignition timing control system |
06/27/1978 | US4096843 Starting system |
06/27/1978 | US4096841 Ignition system for use with fuel injected-spark ignited internal combustion engines |
06/27/1978 | US4096840 Pulse ignition distributor |
06/20/1978 | US4095577 Capacitor discharge ignition method and apparatus |
06/20/1978 | US4095576 Dwell time control system |
06/20/1978 | US4095568 Altitude compensating apparatus for use with an internal combustion engine |
06/13/1978 | US4094287 Exhaust gas recirculation system |
06/13/1978 | US4094282 Ignition timing control apparatus for engine during warm-up |
06/06/1978 | US4092852 Multiplexed transducer |
05/30/1978 | US4091787 Ignition device for internal combustion engines |
05/30/1978 | US4091778 Vacuum advancer system for a gasoline engine |
05/23/1978 | US4090477 Method of improving operation of internal combustion engines |
05/02/1978 | US4086895 Ignition system for internal combustion engines |
05/02/1978 | US4086889 Electromagnetic selector valve system |
04/25/1978 | US4086471 Pulse train converter |
04/25/1978 | US4085715 Ignition timing control system |
04/25/1978 | US4085714 Electronic ignition timing adjusting system for internal combustion engine |
04/11/1978 | US4083347 High energy spark ignition system, particularly for internal combustion engines |
04/11/1978 | US4083335 Apparatus for controlling the ignition timing of an internal combustion engine |
04/04/1978 | US4082075 Input quarter cycle timing circuit |
04/04/1978 | US4082069 Method and apparatus to determine the timing of cyclically repetitive events, particularly ignition instant for internal combustion engines |
04/04/1978 | US4081995 Apparatus and method for extrapolating the angular position of a rotating body |
03/28/1978 | US4080947 Apparatus and method for controlling ignition of multi-cylinder internal combustion engines with a passageway that bypasses throttle valve |
03/28/1978 | US4080940 Engine control |
03/28/1978 | US4080939 Timing control apparatus for a combustion engine |
03/21/1978 | US4079712 Contactless capacitor discharge type ignition system for internal combustion engine |
03/21/1978 | US4079709 Ignition spark timing logic enabled phase generator |
03/14/1978 | US4078631 Apparatus for controlling acceleration and deceleration of motor vehicles |
03/14/1978 | US4078533 Internal combustion engine having an auxiliary combustion chamber |
03/07/1978 | US4078161 Ignition distributor breaker assembly |
03/07/1978 | US4077373 Ignition timing control device for an internal combustion engine |
03/07/1978 | US4077372 Spark timing control system for an internal combustion engine |
02/28/1978 | US4075989 Method for operating 2-cycle internal combustion engine |
02/28/1978 | US4075752 Method of making distributor assembly bearing structures and the like |
02/21/1978 | US4074669 Rotor controlled automatic spark advance |
01/31/1978 | US4071002 Throttle and ignition advance linkage for an internal combustion engine |
01/17/1978 | US4068643 Multiple spark ignition system |
01/17/1978 | US4068634 Control system for ignition timing of engine |
01/17/1978 | US4068633 Ignition system for internal combustion engines |
01/17/1978 | US4068632 Internal combustion engine |
01/17/1978 | US4068631 Internal combustion engine electronic ignition control system |
01/03/1978 | US4066968 Method and apparatus for providing a periodic control signal, especially for controlling the ignition of an internal combustion engine |
01/03/1978 | US4066059 Fuel injection nozzle valve and ignition system |
01/03/1978 | US4066046 Method and apparatus for fuel injection-spark ignition system for an internal combustion engine |
12/27/1977 | US4064894 Vacuum reducer valve |
12/27/1977 | US4064846 Method and apparatus for controlling an internal combustion engine |
12/20/1977 | US4063539 System to control timing of cyclically repetitive events, particularly automotive ignition |
12/20/1977 | US4063538 Ignition timing control method and apparatus |
12/06/1977 | US4061265 Pressure and temperature responsive valve assembly |
12/06/1977 | US4061116 Knock level control apparatus for an internal combustion engine |
11/22/1977 | US4059083 Method and apparatus for obtaining an automatic ignition advance in automobile internal combustion engine |
11/22/1977 | US4058888 Method of calibrating variable inductance transducers |
11/15/1977 | US4058095 Distributor for an internal combustion engine |
11/15/1977 | US4058091 Internal combustion engine of a lean air-fuel mixture combustion type |
10/25/1977 | US4055157 Ignition distributor-breaker system having centrifugal timing adjustment |
10/18/1977 | US4054114 Device for adjusting ignition time for dual ignition internal combustion engine |
10/18/1977 | US4054111 Internal combustion engine electronic ignition spark timing system modulated by cylinder combustion pressure |
10/18/1977 | US4054110 Engine spark timing device |
10/11/1977 | US4052966 Process for the control of oxides of nitrogen from internal combustion engines |
10/04/1977 | US4051827 Selective threshold ignition circuit |
10/04/1977 | US4051823 Internal combustion engine |
10/04/1977 | US4051673 Automotive internal combustion engine |
09/27/1977 | US4050423 Ignition timing adjusting device for internal combustion engines |
09/20/1977 | US4048966 Vacuum advance control system |
09/06/1977 | US4046126 Ignition apparatus |
08/30/1977 | US4044732 Pneumatic control system and pressure responsive valve assembly therefor |
08/16/1977 | US4042899 Vacuum servo actuated variable inductance transducer |
08/09/1977 | US4040401 Spark vacuum advance control |