EP0118646B1 - Dispositif d'allumage de secours pour moteurs thermiques à allumage commandé - Google Patents

Dispositif d'allumage de secours pour moteurs thermiques à allumage commandé Download PDF

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Publication number
EP0118646B1
EP0118646B1 EP83402222A EP83402222A EP0118646B1 EP 0118646 B1 EP0118646 B1 EP 0118646B1 EP 83402222 A EP83402222 A EP 83402222A EP 83402222 A EP83402222 A EP 83402222A EP 0118646 B1 EP0118646 B1 EP 0118646B1
Authority
EP
European Patent Office
Prior art keywords
oscillator
control switch
ignition
closed
open
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP83402222A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0118646A1 (fr
Inventor
Patrick De Beaumont
Pierre Violante
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9279320&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0118646(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Priority to AT83402222T priority Critical patent/ATE38706T1/de
Publication of EP0118646A1 publication Critical patent/EP0118646A1/fr
Application granted granted Critical
Publication of EP0118646B1 publication Critical patent/EP0118646B1/fr
Expired legal-status Critical Current

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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
    • F02P15/12—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 means for strengthening spark during starting
    • 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
    • F02P15/008—Reserve ignition systems; Redundancy of some ignition devices

Definitions

  • the present invention relates to an emergency ignition device for internal combustion engine.
  • the engines of motor vehicles are generally of the spark-ignition type and for this purpose they have, with the exception of diesel engines, one spark plug per cylinder, these plugs being supplied at high voltage from the secondary winding d 'An ignition coil, via the rotor of a distributor.
  • the present invention aims to remedy these drawbacks by providing an emergency ignition device with a low cost price and making it possible to troubleshoot a motor vehicle very easily.
  • this emergency ignition device for thermal engines with positive ignition, the ignition circuit of said engine comprising an ignition coil to the secondary winding of which the spark plugs of the various cylinders of the engine are connected, the device comprising a stabilized power supply, a power transistor and an oscillator connected to said power supply, the output of the power supply being connected to the power transistor which can be connected in series with the primary winding of the ignition coil, and a switch normally open control and which is closed at the same time as the starter is actuated, characterized in that it comprises means for modifying the operating frequency of the oscillator depending on whether the control switch is open or closed, so that the oscillator operates at a relatively low first frequency while the control switch is closed and at a higher higher frequency ée than the previous when the switch is open, and a timing circuit connected to the oscillator and the control switch so as to inhibit the operation of the oscillator for a predetermined period of time after the instant of the closing the control switch and then letting the oscillator operate at the first relatively low frequency as long as the
  • the emergency ignition device offers the advantage that it makes it possible to start an engine regardless of the faults which have appeared in the normal ignition circuit.
  • the emergency ignition device comprises a control switch 1 which is connected in parallel to a switch and oscillator circuit 2 and to a timer circuit 3 acting on the previous one.
  • the output of the switch-oscillator circuit 2 is connected to the base of a power transistor 4 whose emitter-collector circuit is connected in series with an ignition coil 5 supplying, via a distributor, the spark plugs ignition 6 placed in the various engine cylinders.
  • FIG 2 which shows in detail the diagram of an embodiment of the device indicated schematically in Figure 1,
  • the control switch 1 which is normally open, is connected between the positive pole of a circuit stabilized supply 7, and ground, on the one hand by a resistor 8 and on the other hand by a capacitor 9 and two resistors 11, 12 in series.
  • the junction point between the resistors 11, 12 is connected to the base of a transistor 13 whose emitter is connected to ground and the collector is connected on the one hand to the positive pole of the power supply, by a resistor 14 , and on the other hand to a terminal “6” of an integrated circuit 15 of the LM 556 type manufactured by National Semiconductors.
  • the integrated circuit 15 assumes the functions of timing, switching and oscillation.
  • the collector of transistor 13 is also connected to ground by a capacitor 16.
  • the terminal “5” of the integrated circuit 15 is connected, by a resistor 17, to the base of a transistor 18 whose emitter is connected to ground and whose collector is connected on the one hand to the positive pole of the power supply, by a resistor 19, and on the other hand to the terminal “1 0 ” of the integrated circuit 15.
  • control switch 1 is also connected, by a resistor 21, to the base of a transistor 22 which is connected to ground by a capacitor 23.
  • the emitter of this transistor 22 is connected to ground while its collector is connected to terminal “12” of the integrated circuit 15, by a capacitor 23, and also to terminal 13, by a resistor 24, this terminal 13 also being connected to the positive pole of the power supply by a resistor 25.
  • the collector of transistor 22 is also connected to ground by a capacitor 26.
  • Terminal 11 of the integrated circuit 15 is connected to ground by a capacitor 27.
  • the output terminal 9 of the integrated circuit 15 is connected, by a resistor 28, to the base of a transistor 29, the collector of which is connected to the positive pole of the battery, by a resistor 31 and the emitter of which is connected to the base of the power transistor 4.
  • the integrated circuit 15 When the control switch 1 is open the integrated circuit 15 operates partially as an oscillator and it delivers to its output terminal “9” an alternating current of frequency equal to 200 Hz for example which is applied, after amplification by the power transistor 4, the ignition coil 5 and the spark plugs 6.
  • the user closes the control switch 1 at the same time as he actuates the starter.
  • This has the effect of applying to the integrated circuit 15, by the transistor 13, a short duration pulse, this pulse being transmitted to the terminal “6” of the integrated circuit 15.
  • the control switch 1 is closed, the emission of the alternating signal at the output terminal “9” of the integrated circuit is suppressed.
  • the engine therefore runs for a certain period of time without the ignition coil 5 being traversed by an alternating current.
  • the inhibition signal applied to terminal “10” disappears and the oscillator is restarted. However, its frequency is then lowered compared to the initial frequency, owing to the fact that the transistor 22 has been made conductive as a result of the closing of the switch 1. This has the effect of shorting the capacitor 26 and lower the frequency of the oscillator. For example if the initial frequency is 200 Hz, the frequency then supplied to the output terminal “9" falls to 100 Hz. The frequency signal 100 Hz is then applied, by the transistor 29, to the power transistor 4 and then , after amplification, to the ignition coil 5 and to the spark plugs 6. This low frequency signal is applied until the engine starts. At this time the driver of the vehicle releases the control switch 1 so that the oscillator then operates at the higher frequency of 200 Hz which is better suited to the normal engine speed, the low frequency of 100 Hz being suitable for the engine launch period.
  • the device according to the invention can be used either with the ignition coil 5 of the vehicle or with its own coil.
  • Switches 34 and 35 allow the electronic ignition 33, the conventional ignition 32 or the ignition device to be put into service. rescue according to the invention.
  • the switch 34 is connected between the base of the transistor 29 and on the one hand the resistor 28 and on the other hand a transistor forming part of the electronic ignition 33.
  • the switch of the conventional ignition device 32 is connected from on the one hand to the transistor of the electronic ignition 33 and on the other hand to the switch 35 which is connected between the power transistor 4 and the ignition coil 5.

Landscapes

  • 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)
  • Portable Nailing Machines And Staplers (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
  • Gas-Filled Discharge Tubes (AREA)
EP83402222A 1982-11-19 1983-11-18 Dispositif d'allumage de secours pour moteurs thermiques à allumage commandé Expired EP0118646B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83402222T ATE38706T1 (de) 1982-11-19 1983-11-18 Hilfszuendanlage fuer brennkraftmaschinen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8219378A FR2536467B1 (fr) 1982-11-19 1982-11-19 Dispositif d'allumage de secours pour moteurs thermiques a allumage commande
FR8219378 1982-11-19

Publications (2)

Publication Number Publication Date
EP0118646A1 EP0118646A1 (fr) 1984-09-19
EP0118646B1 true EP0118646B1 (fr) 1988-11-17

Family

ID=9279320

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83402222A Expired EP0118646B1 (fr) 1982-11-19 1983-11-18 Dispositif d'allumage de secours pour moteurs thermiques à allumage commandé

Country Status (11)

Country Link
US (1) US4528972A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0118646B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS59103966A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AT (1) ATE38706T1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AU (1) AU572809B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3378486D1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES527358A0 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2536467B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IL (1) IL70240A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IN (1) IN160178B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ZA (1) ZA838332B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1182456B (it) * 1985-02-20 1987-10-05 Fiat Auto Spa Sistema di accensione elettronica con controllo automatico dell anticipo per un motore a combustione in terna ad accensione comandata
JPH01305161A (ja) * 1988-06-03 1989-12-08 Mitsubishi Electric Corp エンジン用点火信号分配回路
IL86939A (en) * 1988-06-30 1992-03-29 Doron Flam Emergency ignition system for motor vehicles
FR2639685A1 (fr) * 1988-11-29 1990-06-01 Elbeze Alexandre Appareil destine au depannage de moteurs a combustion interne notamment de vehicules automobiles
IT1224022B (it) * 1988-12-22 1990-09-26 Fiat Auto Spa Procedimento per comandare l'accensione in motori a combustione interna particolarmente motori con accensione diretta a bobine singole e relativo sistema
FR2718065B1 (fr) * 1994-03-31 1996-05-31 Tournier Alain Le Dispositif de nettoyage automatique de barreaux de retenue de particules magnétisables en suspension dans un fluide.
RU2289721C2 (ru) * 2002-08-12 2006-12-20 РЯЗАНСКИЙ ВОЕННЫЙ АВТОМОБИЛЬНЫЙ ИНСТИТУТ им. генерала армии В.П. Дубынина Бесконтактная система зажигания для двигателя внутреннего сгорания
US7425806B2 (en) * 2004-04-12 2008-09-16 York International Corporation System and method for controlling a variable speed drive

Family Cites Families (8)

* 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
FR2081233A6 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1970-03-20 1971-12-03 Mimoun Charles
US4000729A (en) * 1975-04-23 1977-01-04 Clark Jr Jack Ignition system bypass unit
DE2619556A1 (de) * 1976-05-04 1977-11-24 Bosch Gmbh Robert Zuendanlage, insbesondere fuer brennkraftmaschinen
US4255789A (en) * 1978-02-27 1981-03-10 The Bendix Corporation Microprocessor-based electronic engine control system
US4245315A (en) * 1978-02-27 1981-01-13 The Bendix Corporation Ignition limp home circuit for electronic engine control systems
US4207851A (en) * 1978-04-25 1980-06-17 Crisefi Charles J Emergency ignition for internal combustion engines
US4364344A (en) * 1981-05-11 1982-12-21 General Motors Corporation Internal combustion engine with initial ignition suppression during cranking

Also Published As

Publication number Publication date
FR2536467A1 (fr) 1984-05-25
DE3378486D1 (en) 1988-12-22
AU2111083A (en) 1984-05-24
EP0118646A1 (fr) 1984-09-19
ES8406647A1 (es) 1984-08-01
ZA838332B (en) 1984-07-25
ES527358A0 (es) 1984-08-01
IN160178B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-06-27
JPS59103966A (ja) 1984-06-15
IL70240A (en) 1987-10-20
US4528972A (en) 1985-07-16
IL70240A0 (en) 1984-02-29
FR2536467B1 (fr) 1986-01-17
ATE38706T1 (de) 1988-12-15
AU572809B2 (en) 1988-05-19

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