JPS63130650U - - Google Patents
Info
- Publication number
- JPS63130650U JPS63130650U JP2203787U JP2203787U JPS63130650U JP S63130650 U JPS63130650 U JP S63130650U JP 2203787 U JP2203787 U JP 2203787U JP 2203787 U JP2203787 U JP 2203787U JP S63130650 U JPS63130650 U JP S63130650U
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- deceleration
- injection amount
- amount
- deceleration operation
- 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 16
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
Description
第１図は本考案のクレーム対応図、第２図は本
考案の一実施例を示す構成図、第３図〜第５図は
同上のフローチヤートである。
１……内燃機関、４……アイドルスイツチ、６
……制御装置、７……燃料噴射弁、８……エアフ
ローメータ、９……酸素センサ。
FIG. 1 is a diagram corresponding to claims of the present invention, FIG. 2 is a configuration diagram showing an embodiment of the present invention, and FIGS. 3 to 5 are flowcharts of the same. 1... Internal combustion engine, 4... Idle switch, 6
...Control device, 7...Fuel injection valve, 8...Air flow meter, 9...Oxygen sensor.
Claims (1)
料噴射量設定手段と、減速運転状態を検出する減
速運転状態検出手段と、減速運転時に、前記燃料
噴射量を減速運転状態に応じて減量補正する減量
補正手段と、減量補正された燃料噴射量に応じて
燃料噴射弁を駆動制御する弁駆動制御手段と、を
備える内燃機関の電子制御燃料噴射装置において
、減量学習補正量を記憶する書換可能な記憶手段
と、該記憶手段から減速学習補正量を検索する検
索手段と、機関の実際の空燃比を検出する空燃比
検出手段と、減速運転時に検出された実際の空燃
比が目標空燃比になるように、前記減速学習補正
量を補正して新たな減速学習補正量を設定し、こ
の減速学習補正量に前記記憶手段のデータを更新
する更新手段と、検索若しくは新たに設定された
減速学習補正量に基づいて前記減量補正された燃
料噴射量を補正する減速燃料補正手段と、を備え
たことを特徴とする内燃機関の電子制御燃料噴射
装置。 A fuel injection amount setting means for setting a fuel injection amount according to an engine operating state, a deceleration operation state detection means for detecting a deceleration operation state, and a reduction correction of the fuel injection amount according to the deceleration operation state during deceleration operation. In an electronically controlled fuel injection device for an internal combustion engine, the electronically controlled fuel injection device for an internal combustion engine includes a reduction correction means and a valve drive control means for driving and controlling a fuel injection valve according to the reduced correction corrected fuel injection amount. a storage means, a search means for searching the deceleration learning correction amount from the storage means, an air-fuel ratio detection means for detecting the actual air-fuel ratio of the engine, and the actual air-fuel ratio detected during deceleration operation becomes the target air-fuel ratio. updating means for correcting the deceleration learning correction amount to set a new deceleration learning correction amount and updating data in the storage means to this deceleration learning correction amount; An electronically controlled fuel injection device for an internal combustion engine, comprising: deceleration fuel correction means for correcting the reduced fuel injection amount based on the reduced fuel injection amount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2203787U JPS63130650U (en) | 1987-02-19 | 1987-02-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2203787U JPS63130650U (en) | 1987-02-19 | 1987-02-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63130650U true JPS63130650U (en) | 1988-08-26 |
Family
ID=30819036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2203787U Pending JPS63130650U (en) | 1987-02-19 | 1987-02-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63130650U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5718440A (en) * | 1980-07-08 | 1982-01-30 | Nippon Denso Co Ltd | Air-fuel ratio control method |
| JPS57143136A (en) * | 1981-02-26 | 1982-09-04 | Toyota Motor Corp | Method of controlling air fuel ratio of internal combustion engine |
-
1987
- 1987-02-19 JP JP2203787U patent/JPS63130650U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5718440A (en) * | 1980-07-08 | 1982-01-30 | Nippon Denso Co Ltd | Air-fuel ratio control method |
| JPS57143136A (en) * | 1981-02-26 | 1982-09-04 | Toyota Motor Corp | Method of controlling air fuel ratio of internal combustion engine |