JPH0166476U - - Google Patents
Info
- Publication number
- JPH0166476U JPH0166476U JP1987161318U JP16131887U JPH0166476U JP H0166476 U JPH0166476 U JP H0166476U JP 1987161318 U JP1987161318 U JP 1987161318U JP 16131887 U JP16131887 U JP 16131887U JP H0166476 U JPH0166476 U JP H0166476U
- Authority
- JP
- Japan
- Prior art keywords
- ignition timing
- optimum
- calculation means
- cylinder
- cylinders
- 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
- 238000010586 diagram Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
Landscapes
- Ignition Installations For Internal Combustion Engines (AREA)
- Electrical Control Of Ignition Timing (AREA)
Description
第１図は本考案の構成を示す機能ブロツク図、
第２図は本考案の一実施例を示すシステム図、第
３図は点火時期制御のフローチヤートである。
１…機関、５…燃料噴射弁、６…点火コイル、
９…コントロールユニツト、１０…エアフローメ
ータ、１１…クランク角センサ、１２…筒内圧セ
ンサ、１３…アイドルスイツチ。
Figure 1 is a functional block diagram showing the configuration of the present invention.
FIG. 2 is a system diagram showing an embodiment of the present invention, and FIG. 3 is a flowchart of ignition timing control. 1... Engine, 5... Fuel injection valve, 6... Ignition coil,
9... Control unit, 10... Air flow meter, 11... Crank angle sensor, 12... Cylinder pressure sensor, 13... Idle switch.
Claims (1)
演算する最適点火時期演算手段と、最適点火時期
よりも遅角側の点火時期を演算する遅角点火時期
演算手段と、特定運転領域を検出する特定運転領
域検出手段と、点火気筒を判別する気筒判別手段
と、前記特定運転領域検出手段により検出される
特定運転領域で前記気筒判別手段により判別され
る点火気筒に従つて一部の気筒を前記最適点火時
期演算手段により演算される最適点火時期にて点
火させ残りの気筒を前記遅角点火時期演算手段に
より演算される遅角側の点火時期にて点火させ、
特定運転領域以外で全気筒を前記最適点火時期演
算手段により演算される最適点火時期にて点火さ
せる点火時期切換制御手段とを設けたことを特徴
とする多気筒内燃機関の点火時期制御装置。 Optimum ignition timing calculation means for calculating the optimum ignition timing that maximizes the generated torque of the engine; Retard ignition timing calculation means for calculating the ignition timing on the retarded side than the optimum ignition timing; an operating region detecting means, a cylinder discriminating means for discriminating an ignition cylinder, and some cylinders are selected according to the ignition cylinder determined by the cylinder discriminating means in the specific operating region detected by the specific operating region detecting means. ignite at the optimum ignition timing calculated by the ignition timing calculation means, and ignite the remaining cylinders at the retarded ignition timing calculated by the retarded ignition timing calculation means,
An ignition timing control device for a multi-cylinder internal combustion engine, comprising ignition timing switching control means for igniting all cylinders at the optimum ignition timing calculated by the optimum ignition timing calculation means outside the specific operating range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987161318U JPH0166476U (en) | 1987-10-23 | 1987-10-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987161318U JPH0166476U (en) | 1987-10-23 | 1987-10-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0166476U true JPH0166476U (en) | 1989-04-27 |
Family
ID=31444144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987161318U Pending JPH0166476U (en) | 1987-10-23 | 1987-10-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0166476U (en) |
-
1987
- 1987-10-23 JP JP1987161318U patent/JPH0166476U/ja active Pending
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