JPS643081U - - Google Patents
Info
- Publication number
- JPS643081U JPS643081U JP9678487U JP9678487U JPS643081U JP S643081 U JPS643081 U JP S643081U JP 9678487 U JP9678487 U JP 9678487U JP 9678487 U JP9678487 U JP 9678487U JP S643081 U JPS643081 U JP S643081U
- Authority
- JP
- Japan
- Prior art keywords
- average value
- rotational speed
- speed during
- during idling
- engine rotational
- 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.)
- Pending
Links
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Electrical Control Of Ignition Timing (AREA)
Description
第1図は本考案の一実施例における点火時期演
算ルーチンを示す流れ図、第2図は本考案に係る
点火時期制御装置を備えたエンジンの概略図、第
3図は第2図の制御回路の詳細を示すブロツク図
、第4図はアイドリング時の基本点火進角のマツ
プを示す線図、第5図は補正進角値の変化を示す
線図である。
18…回転角センサ、12…アイドルスイツチ
、25…イグナイタ、14…デイストリビユータ
、20…制御回路。
FIG. 1 is a flowchart showing an ignition timing calculation routine in an embodiment of the present invention, FIG. 2 is a schematic diagram of an engine equipped with an ignition timing control device according to the present invention, and FIG. A block diagram showing the details, FIG. 4 is a diagram showing a map of the basic ignition advance angle during idling, and FIG. 5 is a diagram showing changes in the corrected advance angle value. 18... Rotation angle sensor, 12... Idle switch, 25... Igniter, 14... Distributor, 20... Control circuit.
Claims (1)
検出する検出手段と、アイドリング時のエンジン
回転速度の平均値を演算する演算手段と、前記平
均値が前記瞬時値に応じて設定される所定直を越
えないように制限する制限手段と、前記瞬時値と
前記平均値とを比較して前記瞬時値が前記平均値
未満のときに点火時期を進角する制御手段と、を
含む内燃機関の点火時期制御装置。 a detection means for detecting an instantaneous value of the engine rotational speed during idling; a calculation means for calculating an average value of the engine rotational speed during idling; and a calculation means for calculating an average value of the engine rotational speed during idling; an ignition timing control device for an internal combustion engine, comprising a limiting means for limiting the instantaneous value and the average value, and a control means for advancing the ignition timing when the instantaneous value is less than the average value. .
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9678487U JPS643081U (en) | 1987-06-24 | 1987-06-24 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9678487U JPS643081U (en) | 1987-06-24 | 1987-06-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS643081U true JPS643081U (en) | 1989-01-10 |
Family
ID=31321888
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9678487U Pending JPS643081U (en) | 1987-06-24 | 1987-06-24 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS643081U (en) |
-
1987
- 1987-06-24 JP JP9678487U patent/JPS643081U/ja active Pending
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