JPS62137352U - - Google Patents
Info
- Publication number
- JPS62137352U JPS62137352U JP2454286U JP2454286U JPS62137352U JP S62137352 U JPS62137352 U JP S62137352U JP 2454286 U JP2454286 U JP 2454286U JP 2454286 U JP2454286 U JP 2454286U JP S62137352 U JPS62137352 U JP S62137352U
- Authority
- JP
- Japan
- Prior art keywords
- engine
- air
- fuel injection
- fuel ratio
- detected
- 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 11
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 230000001133 acceleration Effects 0.000 claims 4
- 238000001514 detection method Methods 0.000 claims 2
- 239000000203 mixture Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図は本考案の構成図、第２図は本考案に係
る内燃機関の電子制御燃料噴射装置の一実施例を
示すブロツク図、第３図は同上実施例における制
御を示すフローチヤート、第４図は同上実施例に
おける制御特性を示すタイムチヤート、第５図は
従来の制御における問題点を説明するためのタイ
ムチヤートである。
１……点火コイル、２……エアフローメータ、
３……水温センサ、４……スロツトル弁開度セン
サ、５……酸素センサ、６……コントロールユニ
ツト、７……燃料噴射弁、８……駆動回路。
FIG. 1 is a block diagram of the present invention, FIG. 2 is a block diagram showing an embodiment of an electronically controlled fuel injection system for an internal combustion engine according to the present invention, and FIG. 3 is a flowchart showing control in the same embodiment. FIG. 4 is a time chart showing control characteristics in the same embodiment, and FIG. 5 is a time chart for explaining problems in conventional control. 1...Ignition coil, 2...Air flow meter,
3... Water temperature sensor, 4... Throttle valve opening sensor, 5... Oxygen sensor, 6... Control unit, 7... Fuel injection valve, 8... Drive circuit.
Claims (1)
段を備え、検出された機関加速状態に応じて燃料
噴射量の増量補正を行う内燃機関の電子制御燃料
噴射装置において、機関排気中の成分濃度により
機関に供給される混合気の空燃比を検出する空燃
比検出手段により検出される空燃比が機関の加速
運転状態が検出されてから所定空燃比よりも薄側
から濃度に移行したときに燃料噴射量を所定時間
所定量だけ減量補正する加速後減量補正手段を設
けたことを特徴とする内燃機関の電子制御燃料噴
射装置。 In an electronically controlled fuel injection system for an internal combustion engine, which is equipped with an engine acceleration state detection means for detecting an engine acceleration state, and which increases the fuel injection amount according to the detected engine acceleration state, the engine The fuel injection amount is determined when the air-fuel ratio detected by the air-fuel ratio detection means that detects the air-fuel ratio of the air-fuel mixture supplied to the engine shifts from the lean side to the concentration side than the predetermined air-fuel ratio after the acceleration operating state of the engine is detected. 1. An electronically controlled fuel injection device for an internal combustion engine, comprising post-acceleration reduction correction means for reducing the amount by a predetermined amount for a predetermined period of time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2454286U JPS62137352U (en) | 1986-02-24 | 1986-02-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2454286U JPS62137352U (en) | 1986-02-24 | 1986-02-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62137352U true JPS62137352U (en) | 1987-08-29 |
Family
ID=30823866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2454286U Pending JPS62137352U (en) | 1986-02-24 | 1986-02-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62137352U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6189945A (en) * | 1984-10-09 | 1986-05-08 | Toyota Motor Corp | Air-fuel ratio controlling device for internal-combustion engine |
| JPS61129435A (en) * | 1984-11-27 | 1986-06-17 | Toyota Motor Corp | Fuel injection amount controller for internal-combustion engine |
-
1986
- 1986-02-24 JP JP2454286U patent/JPS62137352U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6189945A (en) * | 1984-10-09 | 1986-05-08 | Toyota Motor Corp | Air-fuel ratio controlling device for internal-combustion engine |
| JPS61129435A (en) * | 1984-11-27 | 1986-06-17 | Toyota Motor Corp | Fuel injection amount controller for internal-combustion engine |