US3593696A - Electronic ignition system for producing high frequency spark trains for internal combustion engines - Google Patents

Electronic ignition system for producing high frequency spark trains for internal combustion engines Download PDF

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Publication number
US3593696A
US3593696A US787324A US3593696DA US3593696A US 3593696 A US3593696 A US 3593696A US 787324 A US787324 A US 787324A US 3593696D A US3593696D A US 3593696DA US 3593696 A US3593696 A US 3593696A
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United States
Prior art keywords
ignition system
engine
electronic
sensing device
spark
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Expired - Lifetime
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US787324A
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English (en)
Inventor
Angelo Raffaele Guido
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Consiglio Nazionale delle Richerche CNR
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Consiglio Nazionale delle Richerche CNR
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • 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
    • F02P15/00—Electric spark ignition having characteristics not provided for in, or of interest apart from, groups F02P1/00 - F02P13/00 and combined with layout of ignition circuits
    • F02P15/10—Electric spark ignition having characteristics not provided for in, or of interest apart from, groups F02P1/00 - F02P13/00 and combined with layout of ignition circuits having continuous electric sparks

Definitions

  • Cl F02p 3/02 producing a high frequency spark train capable of ensuring a [50] Field of Search 123/ 148 E, perfect ignition of the mixture into each cylinder of the en- 149, 146.5 A; 315/209, 209 T gine.
  • such a train of sparks is produced by employing an electronic device, a block diagram of which is shown in the accompanying drawing depicting a preferred operative embodiment.
  • numeral 1 generally designates a disc connected with a rotary shaft 2 driven by the engine. From the peripheral edge of disc 1, symmetrically placed teeth 3 project outwardly, the number of the teeth being the same as that of the cylinders of the engine.
  • Near disc 1 is located an electromagnetic sensing device 4 adapted to produce signals every time a tooth passes in front of it, the signals being then applied to an amplifier 5.
  • the signals, which are duly amplified in amplifier 5 are then applied to a differentiating circuit 6, where the signals are shaped and peaked so as to provide control pulses for a multivibrator 7.
  • multivibrator 7 produces square waves in response to the control pulses.
  • the square waves are then amplified by an additional amplifier 8 and cause starting of the operation of an oscillator 9, which produces oscillations for a time period equal to the duration of the square waves.
  • the oscillations which are generated by the oscillator 9 comprise a pulse train and are then fed to a transformer 10 which increases the voltage to the necessary high level, the oscillation than being fed to conductors 12 of the spark plugs (not shown in the drawing) by means of a distributor 11 which rotates in synchronism with the rotary movement of the disc I and which is driven, in turn, by the engine.
  • Another advantage of the aforesaid system consists in the fact that the contact breaker provided in the conventional ignition systems is no longer necessary. As a result of the elimination of the breaker device, a greater reliability of operation can be obtained, since overhauling or periodical replacement of the contacts becomes unnecessary, these maintenance operations being those which frequently cause interruptions of engine operation.
  • the electronic circuit of the inventive ignition system is energized from the usual battery which is a part of the equipment of the motor vehicle.
  • An electronic ignition system for internal combustion engines comprising circuit means controlled in synchronism with the engine for providing sparks at the spark plugs, said circuit means producing a high frequency spark train capable of insuring a perfect ignition of the mixture into each cylinder of the engine, said circuit means comprising a plurality of electronic circuits including a first am plification stage means for providing a series of control signals in synchronism with the engine, differentiating circuit means for shaping said control signals, a multivibrator means for producing square waves in response to said shape control signals, a second amplification stage means for amplifying said square waves to provide a power source, and a final oscillator means powered by said second amplification stage means providing a power source and triggered in response to each amplified square wave to produce trains of spark pulses, each train having a time period equal to the duration of said square waves.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
US787324A 1968-02-29 1968-12-27 Electronic ignition system for producing high frequency spark trains for internal combustion engines Expired - Lifetime US3593696A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT3517168 1968-02-29

Publications (1)

Publication Number Publication Date
US3593696A true US3593696A (en) 1971-07-20

Family

ID=11241149

Family Applications (1)

Application Number Title Priority Date Filing Date
US787324A Expired - Lifetime US3593696A (en) 1968-02-29 1968-12-27 Electronic ignition system for producing high frequency spark trains for internal combustion engines

Country Status (9)

Country Link
US (1) US3593696A (ja)
AT (1) AT298163B (ja)
BE (1) BE726818A (ja)
CH (1) CH512009A (ja)
DE (1) DE1901837B2 (ja)
FR (1) FR1603859A (ja)
LU (1) LU57632A1 (ja)
NL (1) NL6901118A (ja)
SE (1) SE364341B (ja)

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3792695A (en) * 1971-10-29 1974-02-19 Texaco Inc Continuous-wave ignition system
US3847257A (en) * 1972-03-10 1974-11-12 K Feierabend Ignition system for rotary piston combustion engines of trochoid type
US3853106A (en) * 1970-08-27 1974-12-10 Texaco Inc High frequency continuous-wave ignition energy for an internal combustion engine
US3861369A (en) * 1972-06-19 1975-01-21 Texaco Inc Ignition-control system for internal combustion engines
US3892219A (en) * 1973-09-27 1975-07-01 Gen Motors Corp Internal combustion engine ignition system
US3906919A (en) * 1974-04-24 1975-09-23 Ford Motor Co Capacitor discharge ignition system with controlled spark duration
US3926165A (en) * 1974-02-11 1975-12-16 Autotronic Controls Corp Multiple spark discharge system
US3926557A (en) * 1972-08-21 1975-12-16 Kyberna Gmbh Ignition device for internal combustion engines
US3934570A (en) * 1974-04-24 1976-01-27 Ford Motor Company Ferroresonant capacitor discharge ignition system
US3945362A (en) * 1973-09-17 1976-03-23 General Motors Corporation Internal combustion engine ignition system
US4100906A (en) * 1971-09-17 1978-07-18 Minks Floyd M Pulse generator for energy discharge system
US4131100A (en) * 1977-04-26 1978-12-26 Autotronic Controls, Corp. Multiple spark discharge circuitry
US4185602A (en) * 1972-04-16 1980-01-29 Minks Floyd A Pulse generator for energy discharge system
US4192275A (en) * 1976-11-03 1980-03-11 Weydemuller Donald C Electronic ignition system
DE3333111A1 (de) * 1983-09-14 1985-03-28 Kromberg & Schubert, 5600 Wuppertal Zuendvorrichtung
US4515117A (en) * 1982-09-17 1985-05-07 Yukio Kajino Method of and apparatus for igniting internal combustion engine
US4840165A (en) * 1986-11-26 1989-06-20 Chengdu Aircraft Corporation Continuous spark electronic igniter
US5762052A (en) * 1996-01-22 1998-06-09 Minkov; George M. System for starting of internal combustion gasoline engines

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3321500A1 (de) * 1983-06-15 1984-12-20 Walter 2300 Kiel Steinhof Elektrische zuendanlage fuer eine fremdgezuendete brennkraftmaschine

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2953719A (en) * 1956-07-04 1960-09-20 Weselco Ltd Electronic ignition system for internal combustion engines
US3175123A (en) * 1960-12-08 1965-03-23 Globe Union Inc Oscillator ignition system
US3209739A (en) * 1962-10-30 1965-10-05 Lucas Industries Ltd Ignition systems
US3277340A (en) * 1962-12-05 1966-10-04 Lucas Industries Ltd Transistorized ignition system for internal combustion engines
US3277875A (en) * 1962-11-07 1966-10-11 Mitsubishi Electric Corp Spark advance device for internal combustion engine
US3314407A (en) * 1964-09-28 1967-04-18 Holley Carburetor Co Electronic advance for engine ignition systems

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2953719A (en) * 1956-07-04 1960-09-20 Weselco Ltd Electronic ignition system for internal combustion engines
US3175123A (en) * 1960-12-08 1965-03-23 Globe Union Inc Oscillator ignition system
US3209739A (en) * 1962-10-30 1965-10-05 Lucas Industries Ltd Ignition systems
US3277875A (en) * 1962-11-07 1966-10-11 Mitsubishi Electric Corp Spark advance device for internal combustion engine
US3277340A (en) * 1962-12-05 1966-10-04 Lucas Industries Ltd Transistorized ignition system for internal combustion engines
US3314407A (en) * 1964-09-28 1967-04-18 Holley Carburetor Co Electronic advance for engine ignition systems

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3853106A (en) * 1970-08-27 1974-12-10 Texaco Inc High frequency continuous-wave ignition energy for an internal combustion engine
US4100906A (en) * 1971-09-17 1978-07-18 Minks Floyd M Pulse generator for energy discharge system
US3792695A (en) * 1971-10-29 1974-02-19 Texaco Inc Continuous-wave ignition system
US3847257A (en) * 1972-03-10 1974-11-12 K Feierabend Ignition system for rotary piston combustion engines of trochoid type
US4185602A (en) * 1972-04-16 1980-01-29 Minks Floyd A Pulse generator for energy discharge system
US3861369A (en) * 1972-06-19 1975-01-21 Texaco Inc Ignition-control system for internal combustion engines
US3926557A (en) * 1972-08-21 1975-12-16 Kyberna Gmbh Ignition device for internal combustion engines
US3945362A (en) * 1973-09-17 1976-03-23 General Motors Corporation Internal combustion engine ignition system
US3892219A (en) * 1973-09-27 1975-07-01 Gen Motors Corp Internal combustion engine ignition system
US3926165A (en) * 1974-02-11 1975-12-16 Autotronic Controls Corp Multiple spark discharge system
US3934570A (en) * 1974-04-24 1976-01-27 Ford Motor Company Ferroresonant capacitor discharge ignition system
US3906919A (en) * 1974-04-24 1975-09-23 Ford Motor Co Capacitor discharge ignition system with controlled spark duration
US4192275A (en) * 1976-11-03 1980-03-11 Weydemuller Donald C Electronic ignition system
US4131100A (en) * 1977-04-26 1978-12-26 Autotronic Controls, Corp. Multiple spark discharge circuitry
US4515117A (en) * 1982-09-17 1985-05-07 Yukio Kajino Method of and apparatus for igniting internal combustion engine
DE3333111A1 (de) * 1983-09-14 1985-03-28 Kromberg & Schubert, 5600 Wuppertal Zuendvorrichtung
US4840165A (en) * 1986-11-26 1989-06-20 Chengdu Aircraft Corporation Continuous spark electronic igniter
US5762052A (en) * 1996-01-22 1998-06-09 Minkov; George M. System for starting of internal combustion gasoline engines

Also Published As

Publication number Publication date
NL6901118A (ja) 1969-09-02
SE364341B (ja) 1974-02-18
BE726818A (fr) 1969-06-16
LU57632A1 (ja) 1969-04-21
CH512009A (de) 1971-08-31
AT298163B (de) 1972-03-15
DE1901837B2 (de) 1977-02-10
FR1603859A (ja) 1971-06-07
DE1901837A1 (de) 1969-09-25

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