ES425326A2 - Apparatus for obtaining an automatic ignition advance in internal combustion engines particularly for motor vehicles - Google Patents

Apparatus for obtaining an automatic ignition advance in internal combustion engines particularly for motor vehicles

Info

Publication number
ES425326A2
ES425326A2 ES425326A ES425326A ES425326A2 ES 425326 A2 ES425326 A2 ES 425326A2 ES 425326 A ES425326 A ES 425326A ES 425326 A ES425326 A ES 425326A ES 425326 A2 ES425326 A2 ES 425326A2
Authority
ES
Spain
Prior art keywords
counter
memory
internal combustion
scale
obtaining
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
ES425326A
Other languages
Spanish (es)
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.)
Ducellier et Cie
Original Assignee
Ducellier et Cie
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 Ducellier et Cie filed Critical Ducellier et Cie
Publication of ES425326A2 publication Critical patent/ES425326A2/en
Expired 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
    • F02P5/00—Advancing or retarding ignition; Control therefor
    • F02P5/04—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions
    • F02P5/145—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions using electrical means
    • F02P5/15—Digital data processing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Electrical Control Of Ignition Timing (AREA)

Abstract

Improvements made to the subject of main patent no. 408.507 for: "DEVICE FOR OBTAINING AN AUTOMATIC ADVANCE IN IGNITION FOR INTERNAL COMBUSTION ENGINES, MAINLY FOR AUTOMOBILE VEHICLES" according to claim 1 of the main patent, characterized in that the tachometric generator includes a clock that is constituted by an oscillator of low frequency that determines a time T, between two successive periodic signals that it provides, a flip-flop whose change of state, at each period, activates a first counter that counts a number N of pulses from the angular encoder during the time T, and a second counter that keeps in memory the number N determined in the previous cycle, alternating the respective counting and memory functions according to the states of said scale, two monostable scales that, triggered by changes in the state of the bistable scale, respectively send the impulse to return to zero of the counters an At the beginning of the count, a mixer which, switched by the bistable scale at the end of the count, registers the number N kept in memory by the counter to which it is alternately connected and a computer that comprises at least one programmed matrix network according to the desired advance law and in such a way that it transforms the number N into a coded value B. (Machine-translation by Google Translate, not legally binding)
ES425326A 1973-04-17 1974-04-15 Apparatus for obtaining an automatic ignition advance in internal combustion engines particularly for motor vehicles Expired ES425326A2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7313941A FR2226870A6 (en) 1973-04-17 1973-04-17

Publications (1)

Publication Number Publication Date
ES425326A2 true ES425326A2 (en) 1977-03-16

Family

ID=9118104

Family Applications (1)

Application Number Title Priority Date Filing Date
ES425326A Expired ES425326A2 (en) 1973-04-17 1974-04-15 Apparatus for obtaining an automatic ignition advance in internal combustion engines particularly for motor vehicles

Country Status (6)

Country Link
DE (1) DE2418547A1 (en)
ES (1) ES425326A2 (en)
FR (1) FR2226870A6 (en)
GB (1) GB1473214A (en)
IT (1) IT1046033B (en)
NL (1) NL7405161A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1598282A (en) * 1978-04-06 1981-09-16 Lumenition Ltd Ignition systems for internal combustion engines
JPS55142964A (en) * 1979-04-21 1980-11-07 Nissan Motor Co Ltd Ignition timing controller

Also Published As

Publication number Publication date
IT1046033B (en) 1980-06-30
FR2226870A6 (en) 1974-11-15
DE2418547A1 (en) 1974-11-14
GB1473214A (en) 1977-05-11
NL7405161A (en) 1974-10-21

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Legal Events

Date Code Title Description
FD2A Announcement of lapse in spain

Effective date: 20170705