FR2360763A1 - IC engine optoelectronic ignition system - has photodetector apertured opaque element and transistorised ignition circuit with several Darlington pairs - Google Patents

IC engine optoelectronic ignition system - has photodetector apertured opaque element and transistorised ignition circuit with several Darlington pairs

Info

Publication number
FR2360763A1
FR2360763A1 FR7623847A FR7623847A FR2360763A1 FR 2360763 A1 FR2360763 A1 FR 2360763A1 FR 7623847 A FR7623847 A FR 7623847A FR 7623847 A FR7623847 A FR 7623847A FR 2360763 A1 FR2360763 A1 FR 2360763A1
Authority
FR
France
Prior art keywords
ignition
photo
detector
transistorised
engine
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.)
Granted
Application number
FR7623847A
Other languages
French (fr)
Other versions
FR2360763B1 (en
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.)
Lumenition Ltd
Original Assignee
Lumenition Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Lumenition Ltd filed Critical Lumenition Ltd
Priority to FR7623847A priority Critical patent/FR2360763A1/en
Publication of FR2360763A1 publication Critical patent/FR2360763A1/en
Application granted granted Critical
Publication of FR2360763B1 publication Critical patent/FR2360763B1/fr
Granted legal-status Critical Current

Links

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
    • F02P3/00—Other installations
    • F02P3/02—Other installations having inductive energy storage, e.g. arrangements of induction coils
    • F02P3/04—Layout of circuits
    • F02P3/0407—Opening or closing the primary coil circuit with electronic switching means
    • F02P3/0435—Opening or closing the primary coil circuit with electronic switching means with semiconductor devices

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)

Abstract

Opto electric ignition system for IC engine for use with an ignition coil includes a photo-detector which will conduct when exposed to radiation; a radiation source; an opaque element having apertures or slots therein positioned between the radiation source and the photo-detector. Means for rotating the opaque element in timed relation to the engine revolutions and a transistorised ignition circuit having a several switching Darlington pairs connected between the photo-detector and the ignition coil, and switching in inverse relation to the one another are provided. The first Darlington pair of the circuit also switches in inverse relation to the photo-detector. On the energisation or de-energisation of the photo-detector, the transistorised ignition circuit causes fast switching of the primary winding of the ignition coil to induce the spark voltage in the secondary winding.
FR7623847A 1976-08-04 1976-08-04 IC engine optoelectronic ignition system - has photodetector apertured opaque element and transistorised ignition circuit with several Darlington pairs Granted FR2360763A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7623847A FR2360763A1 (en) 1976-08-04 1976-08-04 IC engine optoelectronic ignition system - has photodetector apertured opaque element and transistorised ignition circuit with several Darlington pairs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7623847A FR2360763A1 (en) 1976-08-04 1976-08-04 IC engine optoelectronic ignition system - has photodetector apertured opaque element and transistorised ignition circuit with several Darlington pairs

Publications (2)

Publication Number Publication Date
FR2360763A1 true FR2360763A1 (en) 1978-03-03
FR2360763B1 FR2360763B1 (en) 1981-07-31

Family

ID=9176562

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7623847A Granted FR2360763A1 (en) 1976-08-04 1976-08-04 IC engine optoelectronic ignition system - has photodetector apertured opaque element and transistorised ignition circuit with several Darlington pairs

Country Status (1)

Country Link
FR (1) FR2360763A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2372326A2 (en) * 1976-11-26 1978-06-23 Lumenition Ltd

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2372326A2 (en) * 1976-11-26 1978-06-23 Lumenition Ltd

Also Published As

Publication number Publication date
FR2360763B1 (en) 1981-07-31

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Legal Events

Date Code Title Description
ST Notification of lapse