FR2299527A2 - Ignition system for internal combustion engine - maintains constant duration of spark independently of engine speed - Google Patents

Ignition system for internal combustion engine - maintains constant duration of spark independently of engine speed

Info

Publication number
FR2299527A2
FR2299527A2 FR7503503A FR7503503A FR2299527A2 FR 2299527 A2 FR2299527 A2 FR 2299527A2 FR 7503503 A FR7503503 A FR 7503503A FR 7503503 A FR7503503 A FR 7503503A FR 2299527 A2 FR2299527 A2 FR 2299527A2
Authority
FR
France
Prior art keywords
spark
independently
internal combustion
ignition system
combustion 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
FR7503503A
Other languages
French (fr)
Other versions
FR2299527B2 (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7503503A priority Critical patent/FR2299527A2/en
Priority to CH682275A priority patent/CH606791A5/xx
Priority to ES438086A priority patent/ES438086A1/en
Priority to DE19752524043 priority patent/DE2524043A1/en
Priority to SE7506206A priority patent/SE7506206L/en
Priority to IT23871/75A priority patent/IT1050719B/en
Publication of FR2299527A2 publication Critical patent/FR2299527A2/en
Application granted granted Critical
Publication of FR2299527B2 publication Critical patent/FR2299527B2/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
    • F02P3/045—Layout of circuits for control of the dwell or anti dwell time
    • F02P3/0453—Opening or closing the primary coil circuit 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

The system utilises an electronic circuit which can estimate the duration of one cycle of ignitiona nd can also fix the time of ignition with reference to the engine cycle so that the circuit of the ignition coil is opened and closed to provide a constant period of coil energisation at the precise phase of the engine cycle. This is achieved by using a condenser which retains a predetermined level of the charge acquired during the previous cycle and is then allowed to discharge at a constant rate by means of an isolating diode, a storage condenser and a transistor associated with a resistance.
FR7503503A 1974-05-31 1975-01-30 Ignition system for internal combustion engine - maintains constant duration of spark independently of engine speed Granted FR2299527A2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR7503503A FR2299527A2 (en) 1975-01-30 1975-01-30 Ignition system for internal combustion engine - maintains constant duration of spark independently of engine speed
CH682275A CH606791A5 (en) 1974-05-31 1975-05-28
ES438086A ES438086A1 (en) 1974-05-31 1975-05-30 Device or ignition system for explosion engines. (Machine-translation by Google Translate, not legally binding)
DE19752524043 DE2524043A1 (en) 1974-05-31 1975-05-30 Ignition system for internal combustion engine - maintains constant duration of spark independently of engine speed
SE7506206A SE7506206L (en) 1974-05-31 1975-05-30 EXPLOSION ENGINE IGNITION DEVICE
IT23871/75A IT1050719B (en) 1974-05-31 1975-05-30 IGNITION DEVICE FOR COMBUSTION ENGINES USING A LOGIC CONTROL CIRCUIT

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7503503A FR2299527A2 (en) 1975-01-30 1975-01-30 Ignition system for internal combustion engine - maintains constant duration of spark independently of engine speed

Publications (2)

Publication Number Publication Date
FR2299527A2 true FR2299527A2 (en) 1976-08-27
FR2299527B2 FR2299527B2 (en) 1978-06-30

Family

ID=9150751

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7503503A Granted FR2299527A2 (en) 1974-05-31 1975-01-30 Ignition system for internal combustion engine - maintains constant duration of spark independently of engine speed

Country Status (1)

Country Link
FR (1) FR2299527A2 (en)

Also Published As

Publication number Publication date
FR2299527B2 (en) 1978-06-30

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