US3280809A - Ignition arrangement for internal combustion engines - Google Patents

Ignition arrangement for internal combustion engines Download PDF

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Publication number
US3280809A
US3280809A US262965A US26296563A US3280809A US 3280809 A US3280809 A US 3280809A US 262965 A US262965 A US 262965A US 26296563 A US26296563 A US 26296563A US 3280809 A US3280809 A US 3280809A
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ignition
capacitor
circuit
impulses
primary winding
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US262965A
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English (en)
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Issler Jorg
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Robert Bosch GmbH
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Robert Bosch GmbH
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    • 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
    • F02P9/00—Electric spark ignition control, not otherwise provided for
    • F02P9/002—Control of spark intensity, intensifying, lengthening, suppression
    • F02P9/007—Control of spark intensity, intensifying, lengthening, suppression by supplementary electrical discharge in the pre-ionised electrode interspace of the sparking plug, e.g. plasma jet ignition
    • 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
    • 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
    • F02P3/00—Other installations
    • F02P3/005—Other installations having inductive-capacitance energy storage
    • 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
    • F02P3/00—Other installations
    • F02P3/06—Other installations having capacitive energy storage
    • F02P3/08—Layout of circuits
    • F02P3/0876—Layout of circuits the storage capacitor being charged by means of an energy converter (DC-DC converter) or of an intermediate storage inductance
    • 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
    • F02P7/00—Arrangements of distributors, circuit-makers or -breakers, e.g. of distributor and circuit-breaker combinations or pick-up devices
    • F02P7/02—Arrangements of distributors, circuit-makers or -breakers, e.g. of distributor and circuit-breaker combinations or pick-up devices of distributors

Definitions

  • the present invention concerns an ignition arrangement for internal combustion engines.
  • an ignition arrangement for internal combustion engines comprising, in combination, ignition transformer means having primary winding means and secondary winding means; first circuit means connected with at least a portion of said primary winding means and including capacitor means and capacitor charging means for storing electric energy in said capacitor means; second circuit means including a source of electric energy and connected also with at least a portion of said primary winding means for storing magnetic energy therein; ignition impulse output means connected with said secondary winding means of said ignition transformer means for delivering ignition impulses when such impulses are generated in said secondary winding means; and combined control means in both said first and second circuit means for causing at the moments when delivery of ignition impulses are desired the release of said stored electric energy from said capacitor means and of said stored magnetic energy through said secondary winding means so as to generate therein ignition impulses.
  • FIGS. l3 are voltage-time diagrams illustrating the voltage variations appearing at a spark plug, namely FIG. 1 illustrating the conditions prevailing in the case of an induction type ignition arrangement, FIG. 2 illustrating the conditions in the case of a capacitor type ignition arrangement, and FIG. 3 illustrating the conditions obtainable by the arrangement according to the invention;
  • FIG. 4 is a schematic circuit diagram of one embodiment of the invention comprising an ignition transformer having two primary windings and one secondary winding;
  • FIG. 5 is a schematic circuit diagram of another embodiment of the invention comprising two separate ignition transformers.
  • FIG. 6 is a schematic circuit diagram illustrating a further embodiment of the invention comprising a single ignition transformer having one primary winding and one secondary winding, and including electronic control means.
  • a current flowing through the primary winding of the so-called ignition coil is interrupted by the primary current interrupter at the moment when an ignition impulse is desired.
  • a voltage is generated by induction in the secondary winding which produces a spark in a spark plug connected with the coil.
  • FIG. 1 illustrates an oscillogram of the output voltage of an induction type ignition arrangement.
  • the diagram shows that the voltage at the spark plug electrodes rises, when the current flow is interrupted by opening the primary current interrupter, from zero until after about 50-l00 microseconds after opening the interrupter this potential collapses on account of the sparkover.
  • the first discharge of magnetic energy and the corresponding first spark are followed by a substantial number of secondary discharges or sparks which continue through a period of time ranging e.g. between 800 and 1000 microseconds and thereby are well adapted to cause or to facilitate combustion also of fuel-air mixtures which are not easily inflammable.
  • FIG. 3 illustrates the performance of an ignition arrangement according to the invention which produces a combustion of the fuel-air mixture in the cylinders of internal combustion engines irrespective of whether the spark plugs are contaminated or the quality of the fuel-air mixture is unsatisfactory.
  • This highly advantageous effect is due to the fact that the arrangement according to. the invention combines the characteristic features both of induction type and capacitor type ignition arrangements.
  • the oscillogram of FIG. 3 shows clearly the steep volt-age rise at the start of the capacitor discharge whereby the obstacle of contamination is overcome, and shows also a substantial number of secondary discharges which produce combustion of the fuel-air mixture even if the latter is inhomogenous or poorly mixed. Such poor fuel-air mixtures may reach the engine for instance when the gas pedal is in an intermediate position.
  • the advantageous effect of the ignition arrangement according to the invention is therefore due to the steep 3 rise of the voltage and the following substantial numbe of secondary discharges.
  • FIG. 3 The performance illustrated by FIG. 3 can be obtained for instance by operating an ignition arrangement as shown in various embodiments of the invention by FIGS. 4-6.
  • the arrangement according to FIG. 4 comprises an ignition transformer having one secondary winding and two primary windings 11 and 12, all of said windings being wound about an iron core 13.
  • the primary Winding or winding portion 11 serves for storing magnetic energy.
  • the winding 11 is connected at one of its ends via a diode 14 with the positive terminal of a storage battery 15, while its other end is connected via an interrupter switch 16 with the negative terminal of the battery via ground.
  • the interrupter switch 16 is provided with a shunt capacitor 17 and is actuated in a well-known manner by a four-lobe cam 18 under the assumption that the particular ignition arrangement cooperates with a four-cylinder engine.
  • the other primary circuit connected with the other primary winding or portion thereof 12 includes in addition to the battery a charging circuit 20 for charging a capacitor 21 and, for the capacitor discharge an connection with one end of the primary winding 12 via a second diode 22, and on the other side of the primary winding 12 a discharge control switch 23 which, when closed, completes the discharge circuit via ground and is also actuated by a four lobe cam 24.
  • Both carns 18 and 24 are mounted on a shaft, not shown but represented by a broken line and assumed to be driven in the case of a four-stroke engine at the same speed as the control shaft thereof.
  • the cams 18 and 24 are so arranged relative to each other that the discharge control switch 23 is closed when the interruptor switch 16 is opened, and vice versa. Details of the time relation between the operation of these two switches will be set forth further below.
  • the diodes 14 and 22 have the purpose of decoupling the two primary circuits in a well-known manner.
  • the secondary Winding 10 is connected in conventional manner with a distributor 25 the contact arm whereof rotates also at the speed of the above mentioned control shaft and in this manner output or ignition impulses from the secondary winding 10 are applied via the distributor 25 to anyone of the spark plugs 26 of a four-stroke internal combustion engine, only one of the spark plugs being illustrated.
  • the embodiment according to FIG. 5 differs from the embodiment according to FIG. 4 first of all in that two separate ignition transformers 30, 31 and 32, 33 are provided, one for each primary circuit, respectively. Again the diodes 34 and 35 are provided for decoupling the two secondary circuit port-ions. As can be seen the two secondary windings 31 and 33 are both connected with the distributor 25. Otherwise the arrangement according to FIG. 5 contains the same elements as the embodiment according to FIG. 4 and also its operation is the same.
  • An ignition arrangement comprising separate ignition transformers instead of one common ignition transformer having only one secondary winding and one or two primary windings yields the advantage that the primary and secondary circuits of the ignition transformers can be adapted more freely and easily to the conditions prevailing in different types of internal combustion engines.
  • FIG. 6 illustrates a further modification of the invention, characterized by one ignition transformer having only one primary winding and one secondary winding, combined with electronic control means.
  • the ignition transformer has a primary winding 40 and a secondary winding 41.
  • the secondary winding 41 is connected as in the previous examples via a distributor 42 with spark plugs 43 of which only one is shown.
  • the basic control of the ignition operation is carried out by an interrupter switch 44 arranged in the primary circuit of the ignition transformer and actuated periodically by a four-lobe cam 45 driven in the same manner as described above.
  • the capacitor type ignition portion of the arrangement comprises a storage capacitor 47 connected for the purpose of being charged with a storage battery 48 via a charging circuit 49 of conventional type.
  • the capacitor 47 is connected via a semiconductor gate 50 with the primary winding 40.
  • the semiconductor gate 50 operates in such a manner that when the interrupter 44 is in conductive condition a discharge of the capacitor 47 is prevented, however when the interrupter 44 changes to non-conductive condition the gate 50 becomes conduotive so that now the capacitor 47 is able to discharge via the primary 40 of the ignition transformer so that by the induced ignition impulse the connected spark plug 43 is energized.
  • a control circuit is provided which comprises an auxiliary transformer 51, 52 which has a secondary 52 connected in parallel with a resistor 53 and a capacitor 54.
  • the magnetic energy stored in the ignition transformer 40, 41 is released for producing the desired secondary discharges to be applied to the spark plugs.
  • a transistor 56 is arranged in the circuit of the primary winding 40 of the ignition transformer 40, 41.
  • This transistor 56 is controlled in the same manner as the gate 50 by the interrupter switch 44.
  • the base 57 of the transistor 56 is connected via a base resistor 61 with the interrupter 44, while the emitter 58 is connected with the positive terminal of the storage battery 48 and the collector 59 is connected via a resistor 62 with the primary winding 40.
  • a protective resistor 60 is arranged between the base and the emitter of the transistor 56 .
  • a diode 64 in the collector connection serves to decouple the transistor circuit, on one hand, and the circuit of the capacitor 47, on the other hand.
  • the primary winding 40 of the ignition transformer is provided with a tap.
  • a changeover switch 55 may be used for connecting the collector of the transistor 56 either directly with one end of the winding 40 or, in the other position of the switch 55, with the above mentioned tap.
  • the transformation ratio in the ignition transformer 40, 41 can be increased and hereby the ignition potential can 'be increased which is obtained when the inductive circuit controlled by the transistor 56 is interrupted.
  • a switch 66 is provided between the transistor 56 and the storage battery 48. This switch may be operated arbitrarily or even automatically. It may be combined with the normal ignition switch of an automobile.
  • the switch 63 When the switch 63 is in closed position and the interrupter 44 is in conductive condition a current flows from the battery 48 via switch 63, emitter and collector of the transistor 56 and via resistor 62 and diode 64 through the primary winding 40 and from there to ground.
  • the interrupter 44 opens the collector current of the transistor flowing through the winding 40 is interrupted so that hereby a voltage is induced in the secondary winding 41 which constitutes an ignition impulse for energizing the spark plugs 43.
  • the switch 63 may be also combined with the gas pedal so that the switch 63 is actuated only when the car is started or depending upon the position of the gas pedal. For instance if the car is to be started under unfavorable conditions like very low temperatures or with a Weak fuel-air mixture, then it may be desirable to operate only with the capacitor type portion of the ignition arrangement because this type of operation is particularly effective under such conditions.
  • Ignition arrangement for internal combustion engines comprising, in combination, ignition transformer means having primary winding means and secondary winding means; first circuit means connected with at least a portion of said primary winding means and including capacitor means and capacitor charging means for storing electric energy in said capacitor means; second circuit means including a source of electric energy and connected also with at least a portion of said primary winding means for storing magnetic energy therein; ignition impulse output means connected with said secondary winding means of said ignition transformer means for delivering ignition impulses when such impulses are genera-ted in said secondary winding means; and combined control means in both said first and second circuit means and including capacitor discharge control means for causing at the moments when delivery of ignition impulses are desired the release of said stored electric energy from said capacitor means and circuit interrupter means for causing substantially at said moments also the release of said store-d magnetic energy from that portion of said primary winding means to which said second circuit means is connected in such a manner that by both said releases of stored energy inductively ignition impulses are generated in said secondary winding means.
  • Ignition arrangement for internal combustion engines comprising, in combination, ignition transformer means having a first and a second primary winding means and one secondary winding means; first circuit means connected with said first primary winding means and including capacitor means and capacitor charging means for storing electric energy in said capacitor means; second circuit means including a source of electric energy and connected with said second primary winding means for storing magnetic energy therein; ignition impulse output means connected with said secondary winding means of said ignition transformer means for delivering ignition impulses when such impulses are generated in said secondary winding means; and combined control means in both said first and second circuit means and including capacitor discharge control means for causing at the moments when delivery of ignition impulses are desired the release of said stored electric energy from said capacitor means and circuit interrupter means for causing substantially at said moments also the release of said stored magnetic energy from said second primary winding means in such a manner that by both said releases of stored energy inductively ignition impulses are generated in said secondary winding means.
  • Ignition arrangement for internal combustion engines comprising, in combination, ignition transformer means having one primary winding means and one secondary winding means; first circuit means connected with said one primary winding means and including capacitor means and capacitor charging means for storing electric energy in said capacitor means; second circuit means including a source of electric energy and connected also with said one primary winding means for storing magnetic energy therein; ignition impulse output means connected with said secondary winding means of said ignition transformer means for delivering ignition impulses when such impulses are generated in said secondary winding means; and combined control means in both said first and second circuit means and including capacitor discharge control means for causing at the moments when delivery of ignition impulses are desired the release of said stored electric energy from said capacitor means and circuit interrupter means for causing substantially at said moments also the release of said stored magnetic energy from that portion of said primary winding means to which said second circuit means is connected in such a manner that by both said releases of stored energy inductively ignition impulses are generated in said secondary winding means.
  • Ignition arrangement for internal combustion engines comprising, in combination, ignition transformer means having one primary winding means having at least one tap and one secondary winding means; first circuit means connected with said one primary winding means and including capacitor means and capacitor charging means for storing electric energy in said capacitor means; second circuit means including a source of electric energy and connected also with said one primary winding means for storing magnetic energy therein and further including control means for connecting when desired said source with only a portion of said primary windin g means through said tap thereof; ignition impulse output means connected with said secondary winding means of said ignition transformer means for delivering ignition impulses when said impulses are generate-d in said secondary winding means; and combined control means in both said first and second circuit means for causing at the moments when delivery of ignition impulses are desired the release of said stored electric energy from said capacitor means and of said stored magnetic energy through said secondary winding means so as to generate therein ignition impulses.
  • Ignition arrangement for internal combustion engines comprising, in combination, a first and a second ignition transformer means each having primary winding means and secondary winding means; first circuit means connected with said primary winding means of said first transformer means and including capacitor means and capacitor charging means for storing electric energy in said capacitor means; second circuit means including a source of electric energy and connected with said primary winding means of said second transformer means for storing magnetic energy therein; ignition impulse output means connected with said secondary winding means of both said ignition transformer means for delivering ignition impulses when such impulses are generated in said secondary winding means; and combined control means in both first and second circuit means for causing at the moments when delivery of ignition impulses are desired the release of said stored electric energy from said capacitor means and of said stored magnetic energy through said secondary winding means so as to generate therein ignition impulses.
  • Ignition arrangement for internal combustion engines comprising, in combination, ignition transformer means having primary winding means and secondary Winding means; first circuit means connected with at least a portion of said primary winding means and including capacitor means and capacitor charging means for storing electric energy in said capacitor means; second circuit means including a source of electric energy and connected also with at least a portion of said primary winding means for storing magnetic energy therein, said first and second circuit means including means for decoupling said two circuit means; ignition impulse output means connected with said secondary winding means of said ignition transformer means for delivering ignition impulses when such impulses are generated in said secondary win-ding means; and combined control means in both said first and second circuit means and including capacitor discharge control means for causing at the moments when delivery of ignition impulses are desired the release of said stored electric energy from said capacitor means and circuit interrupter means for causing substantially at said moments also the release of said stored magnetic energy from that portion of said primary winding means to which said second circuit means is connected in such a manner that by both said releases of stored energy inductively ignition impulses are generated in said
  • said combined control means include in said first circuit means capacitor discharge control means periodically ohangeable between non-conductive and conductive condition, and in said second circuit means circuit interrupter means periodically changeable between conductive and non-conductive condition, said discharge control means and said interrupter means being operatively connected in such a manner that said discharge control means is changed to conductive condition substantially simultaneously with said interrupter means being changed to non-conductive condition.
  • said combined control means include in said first circuit means capacitor discharge control means periodically changeable between non-conductive and conductive condition, and in said second circuit means circuit interrupter means periodically changeable between conductive and non-conductive condition, said discharge control means and said interrupter means being operatively connected in such a manner that said discharge control means is changed to conductive condition substantially simultaneously with said interrupter means being changed to nonconductive condition.
  • said combined control means include in said first circuit means capacitor discharge control means periodically changeable between non-conductive and conductive condition, and in said second circuit means circuit interrupter means periodically changeable between conductive and non-conductive condition, said discharge control means and said interrupter means being operatively connected in such a manner that said discharge control means is change-d to conductive condition substantially simultaneously with said interrupter means being changed to non-conductive condition.
  • said combined control means include in said first circuit means capacitor discharge control means comprising electronic control elements periodically changeable between non-conductive and conductive condition, and in said second circuit means circuit interrupter means periodically changeable between conductive and non-conductive condition, said discharge control means and said interrupter means comprising electronic control elements operatively connected in such a manner that said discharge control means is changed to con-ductive condition substantially simultaneously with said interrupter means being changed to non-conductive condition.
  • said combined control means include means for causing the first rise of that portion of said ignition impulses which is generated by the release of energy stored in said capacitor means to occur slightly ahead of the first rise of that portion of the particular impulses which is generated by the release of said stored magnetic energy.
  • said combined control means include means for causing the first rise of that portion of said ignition impulses which is generated by the release of energy stored in said capacitor means to occur slightly ahead of the first rise of that portion of the particular impulses which is generated by the release of said store-d magnetic energy.
  • said combined control means include means for causing the first rise of that portion of said ignition impulses which is generated by the release of energy stored in said capacitor means to occur slightly ahead of the first rise of that portion of the particular impulses which is generated by the release of said stored magnetic energy.
  • said combined control means include means for causing the first rise of that portion of said ignition impulses which is generated by the release of energy stored in said capacitor means to occur slightly ahead of the first rise of that portion of the particular impulses which is generated by the release of said stored magnetic energy.
  • said combined control means include means for causing the first rise of that portion of said ignition impulses which is generated by the release of energy stored in said capacitor means to occur slightly ahead of the first rise of that portion of the particular impulses which is generated by the release of said stored magnetic energy.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
US262965A 1962-03-10 1963-03-05 Ignition arrangement for internal combustion engines Expired - Lifetime US3280809A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB66296A DE1234446B (de) 1962-03-10 1962-03-10 Zuendanlage zum Betrieb von Brennkraftmaschinen

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US3452731A (en) * 1967-10-16 1969-07-01 Mar Lin Safety Devices Inc Ignition control circuit and power supply therefor
US3498281A (en) * 1968-08-23 1970-03-03 Briggs & Stratton Corp Small engine capacitor discharge ignition system
US3620200A (en) * 1969-07-08 1971-11-16 Ambac Ind Booster circuit for ignition systems
US3754541A (en) * 1969-11-04 1973-08-28 Hitachi Ltd Ignition system for internal combustion engine
US3760782A (en) * 1971-08-06 1973-09-25 Bosch Gmbh Robert Ignition circuit
US3837326A (en) * 1971-09-17 1974-09-24 Nippon Denso Co Capacitor discharge ignition system
US3857376A (en) * 1973-02-09 1974-12-31 Int Harvester Co Regulated ignition amplifier circuit
US3866590A (en) * 1973-02-12 1975-02-18 Homer E Howard Dual spark ignition system
US3875919A (en) * 1973-02-09 1975-04-08 Int Harvester Co Ignition amplifier circuit
US3919993A (en) * 1974-07-10 1975-11-18 Gen Motors Corp Internal combustion engine coordinated dual action inductive discharge spark ignition system
US3926165A (en) * 1974-02-11 1975-12-16 Autotronic Controls Corp Multiple spark discharge system
US3941108A (en) * 1974-07-29 1976-03-02 Phillips John P Ignition booster
US3945362A (en) * 1973-09-17 1976-03-23 General Motors Corporation Internal combustion engine ignition system
US3972315A (en) * 1974-10-21 1976-08-03 General Motors Corporation Dual action internal combustion engine ignition system
US4015576A (en) * 1974-04-22 1977-04-05 Junak Edward M Ignition system
US4029072A (en) * 1973-08-27 1977-06-14 Toyota Jidosha Kogyo Kabushiki Kaisha Igniting apparatus for internal combustion engines
US4059084A (en) * 1974-10-12 1977-11-22 Robert Bosch G.M.B.H. Ignition system for internal combustion engines using an ignition coil
US4162665A (en) * 1976-05-28 1979-07-31 Robert Bosch Gmbh Multi-spark ignition system for internal combustion engines
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US4381757A (en) * 1979-07-30 1983-05-03 Nippon Soken, Inc. Continuous type ignition device for an internal combustion engine
US4416226A (en) * 1981-06-02 1983-11-22 Nippon Soken, Inc. Laser ignition apparatus for an internal combustion engine
FR2538039A1 (fr) * 1982-12-20 1984-06-22 Outboard Marine Corp Systeme d'allumage a decharge de condensateur et a etincelles multiples
US4470392A (en) * 1982-04-07 1984-09-11 Nippon Soken, Inc. Multi-gap spark ignition device for engine
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US4641626A (en) * 1984-11-26 1987-02-10 Nippondenso Co., Ltd. Electronic ignition device for interval combustion engines
EP0233830A3 (de) * 1986-02-18 1988-03-23 Aleksandar Zivkovich Schaltung für elektronische Zündung
EP0305348A1 (de) * 1987-08-28 1989-03-01 Saab-Scania Aktiebolag Verfahren und Einrichtung zum Verbessern der Startfähigkeit eines Verbrennungsmotors nach einem misslungenen Versuch, den Motor zu starten
US4820957A (en) * 1986-02-18 1989-04-11 Aleksandar Zivkovich Process for burning a carbonaceous fuel using a high energy alternating current wave
US4892080A (en) * 1987-07-03 1990-01-09 Nippondenso Co., Ltd. Ignition system for internal combustion engine
US5140970A (en) * 1990-06-20 1992-08-25 Aisin Seiki Kabushiki Kaisha Ignition controlling device
US5193515A (en) * 1991-03-12 1993-03-16 Aisin Seiki Kabushiki Kaisha Ignition system for an engine
US5724938A (en) * 1990-09-26 1998-03-10 Yamaha Hatsudoki Kabushiki Kaisha Ignition system for a two cycle engine
US6123063A (en) * 1999-04-29 2000-09-26 Autotronic Controls Corporation Stacker ignition system
WO2004009991A1 (en) * 2002-07-22 2004-01-29 Zaza Museridze Method for ignition and combustion of fuel mixture in an internal combustion engine
US7121270B1 (en) * 2005-08-29 2006-10-17 Vimx Technologies Inc. Spark generation method and ignition system using same
EP2639446A1 (de) * 2012-03-16 2013-09-18 Delphi Automotive Systems Luxembourg SA Zündsystem
EP2719889A4 (de) * 2011-06-07 2015-10-21 Ngk Spark Plug Co Verbindungsvorrichtung, zünder und zündsystem
JP2018162757A (ja) * 2017-03-27 2018-10-18 サンケン電気株式会社 点火装置
US10648444B2 (en) 2015-11-09 2020-05-12 Delphi Automotive Systems Luxembourg Sa Method and apparatus to control an ignition system

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Cited By (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3452731A (en) * 1967-10-16 1969-07-01 Mar Lin Safety Devices Inc Ignition control circuit and power supply therefor
US3498281A (en) * 1968-08-23 1970-03-03 Briggs & Stratton Corp Small engine capacitor discharge ignition system
US3620200A (en) * 1969-07-08 1971-11-16 Ambac Ind Booster circuit for ignition systems
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Also Published As

Publication number Publication date
DE1234446B (de) 1967-02-16
NL144710B (nl) 1975-01-15
CH402511A (de) 1965-11-15
SE305565B (de) 1968-10-28

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