JPS5799270A - Ignition timing control device in internal-combustion engine - Google Patents
Ignition timing control device in internal-combustion engineInfo
- Publication number
- JPS5799270A JPS5799270A JP55176740A JP17674080A JPS5799270A JP S5799270 A JPS5799270 A JP S5799270A JP 55176740 A JP55176740 A JP 55176740A JP 17674080 A JP17674080 A JP 17674080A JP S5799270 A JPS5799270 A JP S5799270A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- ignition timing
- delay
- angle
- output
- 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
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
- F02P5/152—Digital data processing dependent on pinking
- F02P5/1526—Digital data processing dependent on pinking with means for taking into account incorrect functioning of the pinking sensor or of the electrical means
-
- 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)
- Electrical Control Of Ignition Timing (AREA)
Abstract
PURPOSE:To prevent an unnecessary angle of delay by invaliditating a fail safe means that delays an ignition timing in response to abnormality in a vibration accerelation detecting system in a prescribed load state, in an ignition timing control device that suppresses knocking. CONSTITUTION:A number of revolutions detecting circuit 20 senses, from an output of a phase shifter 8, a set number of revolutions where an output level of an acceleration sensor 1 is low. Further, a load detector 22 detects a light load of an engine on the basis of intake air negative pressure of the engine. These detected signals control an abnormality judging circuit 16 via an OR circuit 21 and stops the angle of delay in a fail safe action in an operating state where knocking is difficult to be produced even when an acceleration detecting system is abnormal, in order to inhibit generation of an output from said circuit 16. In this way, it is possible to remove an unnecessary control for the angle of delay to prevent lowering of power performance together with deterioration in fuel consumption.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55176740A JPS6020584B2 (en) | 1980-12-11 | 1980-12-11 | Internal combustion engine ignition timing control device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55176740A JPS6020584B2 (en) | 1980-12-11 | 1980-12-11 | Internal combustion engine ignition timing control device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5799270A true JPS5799270A (en) | 1982-06-19 |
JPS6020584B2 JPS6020584B2 (en) | 1985-05-22 |
Family
ID=16018963
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55176740A Expired JPS6020584B2 (en) | 1980-12-11 | 1980-12-11 | Internal combustion engine ignition timing control device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6020584B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5943973A (en) * | 1982-09-06 | 1984-03-12 | Hitachi Ltd | Knock controller |
JPS63159668A (en) * | 1986-12-22 | 1988-07-02 | Mitsubishi Electric Corp | Ignition control device for internal combustion engine |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56163675U (en) * | 1980-05-07 | 1981-12-04 |
-
1980
- 1980-12-11 JP JP55176740A patent/JPS6020584B2/en not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56163675U (en) * | 1980-05-07 | 1981-12-04 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5943973A (en) * | 1982-09-06 | 1984-03-12 | Hitachi Ltd | Knock controller |
JPS63159668A (en) * | 1986-12-22 | 1988-07-02 | Mitsubishi Electric Corp | Ignition control device for internal combustion engine |
Also Published As
Publication number | Publication date |
---|---|
JPS6020584B2 (en) | 1985-05-22 |
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