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