JPH0237243U - - Google Patents
Info
- Publication number
- JPH0237243U JPH0237243U JP11590288U JP11590288U JPH0237243U JP H0237243 U JPH0237243 U JP H0237243U JP 11590288 U JP11590288 U JP 11590288U JP 11590288 U JP11590288 U JP 11590288U JP H0237243 U JPH0237243 U JP H0237243U
- Authority
- JP
- Japan
- Prior art keywords
- engine
- air
- fuel ratio
- torque fluctuation
- acceleration state
- 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
- 239000000446 fuel Substances 0.000 claims description 5
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 230000001133 acceleration Effects 0.000 claims 3
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図は本考案の構成を説明するための全体ブ
ロツク図、第２図はトルク変動量、燃費、および
排気エミツシヨン特性を示すグラフ、第３図は本
考案に係る内燃機関の空燃比制御装置の一実施例
を示す全体概略図、第４図、第６図、第７図、第
８図は第３図の制御回路の動作を説明するための
フローチヤート、第５図、第９図はそれぞれ第４
図、第８図のフローチヤートを補足説明するため
のタイミング図である。
１……機関本体、３……圧力センサ、４……デ
イストリビユータ、５，６……クランク角センサ
、１０……制御回路、１１……燃焼圧センサ、１
３……触媒コンバータ。
Fig. 1 is an overall block diagram for explaining the configuration of the present invention, Fig. 2 is a graph showing torque fluctuation amount, fuel consumption, and exhaust emission characteristics, and Fig. 3 is an air-fuel ratio control device for an internal combustion engine according to the present invention. FIG. 4, FIG. 6, FIG. 7, and FIG. 8 are flowcharts for explaining the operation of the control circuit in FIG. 3. FIGS. 4th each
FIG. 9 is a timing chart for supplementary explanation of the flowcharts in FIGS. DESCRIPTION OF SYMBOLS 1... Engine body, 3... Pressure sensor, 4... Distributor, 5, 6... Crank angle sensor, 10... Control circuit, 11... Combustion pressure sensor, 1
3...Catalytic converter.
Claims (1)
量演算手段と、 前記機関が加速状態か否かを判別する加速状態
判別手段と、 該機関が加速状態であるときに該機関の温度領
域毎に設けられた温度領域別学習値を前記トルク
変動量が所定値になるように更新する学習手段と
、 前記機関が加速状態であるときに前記温度領域
別学習値に応じて前記機関の空燃比を調整する空
燃比調整手段と、 を具備する内燃機関の空燃比制御装置。[Scope of Claim for Utility Model Registration] Torque fluctuation calculation means for calculating the torque fluctuation of an internal combustion engine; acceleration state determination means for determining whether the engine is in an acceleration state; and when the engine is in an acceleration state. learning means for updating a learning value for each temperature region provided for each temperature region of the engine so that the torque fluctuation amount becomes a predetermined value; An air-fuel ratio control device for an internal combustion engine, comprising: an air-fuel ratio adjusting means for adjusting an air-fuel ratio of the engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11590288U JPH0237243U (en) | 1988-09-05 | 1988-09-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11590288U JPH0237243U (en) | 1988-09-05 | 1988-09-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0237243U true JPH0237243U (en) | 1990-03-12 |
Family
ID=31357968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11590288U Pending JPH0237243U (en) | 1988-09-05 | 1988-09-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0237243U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06137183A (en) * | 1992-10-27 | 1994-05-17 | Unisia Jecs Corp | Fuel supply control device for internal combustion engine |
-
1988
- 1988-09-05 JP JP11590288U patent/JPH0237243U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06137183A (en) * | 1992-10-27 | 1994-05-17 | Unisia Jecs Corp | Fuel supply control device for internal combustion engine |