JPH0287969U - - Google Patents
Info
- Publication number
- JPH0287969U JPH0287969U JP16663988U JP16663988U JPH0287969U JP H0287969 U JPH0287969 U JP H0287969U JP 16663988 U JP16663988 U JP 16663988U JP 16663988 U JP16663988 U JP 16663988U JP H0287969 U JPH0287969 U JP H0287969U
- Authority
- JP
- Japan
- Prior art keywords
- value
- average value
- instantaneous value
- ignition timing
- instantaneous
- 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
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
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機関の概略図、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図は所定値βのテーブルを示す線図、第５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６図は補正進角値の変化を示す線図、第７
図は所定値βの他のテーブルを示す線図である。
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. 3 is a diagram of the control circuit of FIG. 2. A block diagram showing details, Fig. 4 is a diagram showing a table of predetermined value β, Fig. 5 is a diagram showing a map of the basic ignition advance angle at idling, and Fig. 6 shows changes in the corrected advance angle value. Diagram, 7th
The figure is a diagram showing another table of the predetermined value β. 18... Rotation angle sensor, 12... Idle switch, 25... Igniter, 14... Distributor, 20... Control circuit.
Claims (1)
する検出手段と、 アイドリング時の機関回転速度の平均値を演算
する演算手段と、 機関温度に応じて大きさを変化させた所定値を
設定する設定手段と、 前記平均値が前記瞬時値と前記所定値との和を
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。[Scope of Claim for Utility Model Registration] Detection means for detecting the instantaneous value of the engine rotational speed during idling; calculation means for calculating the average value of the engine rotational speed during idling; setting means for setting a predetermined value, limiting means for limiting the average value so that it does not exceed the sum of the instantaneous value and the predetermined value, and comparing the instantaneous value and the average value to determine the instantaneous value. An ignition timing control device for an internal combustion engine, comprising: a control means for advancing ignition timing when is less than the average value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988166639U JPH082466Y2 (en) | 1988-12-23 | 1988-12-23 | Ignition timing control device for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988166639U JPH082466Y2 (en) | 1988-12-23 | 1988-12-23 | Ignition timing control device for internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0287969U true JPH0287969U (en) | 1990-07-12 |
| JPH082466Y2 JPH082466Y2 (en) | 1996-01-29 |
Family
ID=31454205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988166639U Expired - Lifetime JPH082466Y2 (en) | 1988-12-23 | 1988-12-23 | Ignition timing control device for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH082466Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61132774A (en) * | 1984-11-30 | 1986-06-20 | Nippon Denso Co Ltd | Ignition timing controller for engine |
| JPS62294771A (en) * | 1986-06-14 | 1987-12-22 | Fujitsu Ten Ltd | Ignition advance angle control method for internal combustion engine |
-
1988
- 1988-12-23 JP JP1988166639U patent/JPH082466Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61132774A (en) * | 1984-11-30 | 1986-06-20 | Nippon Denso Co Ltd | Ignition timing controller for engine |
| JPS62294771A (en) * | 1986-06-14 | 1987-12-22 | Fujitsu Ten Ltd | Ignition advance angle control method for internal combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH082466Y2 (en) | 1996-01-29 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |