JPH0176534U - - Google Patents
Info
- Publication number
- JPH0176534U JPH0176534U JP1987171350U JP17135087U JPH0176534U JP H0176534 U JPH0176534 U JP H0176534U JP 1987171350 U JP1987171350 U JP 1987171350U JP 17135087 U JP17135087 U JP 17135087U JP H0176534 U JPH0176534 U JP H0176534U
- Authority
- JP
- Japan
- Prior art keywords
- air
- fuel ratio
- engine
- throttle valve
- detecting
- 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 17
- 238000001514 detection method Methods 0.000 claims 4
- 230000001133 acceleration Effects 0.000 claims 2
- 238000002485 combustion reaction Methods 0.000 claims 2
- 230000003247 decreasing effect Effects 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 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図および第４図は制御内容を示すフローチヤー
トである。
１……機関、７……１次側スロツトル弁、１１
……燃料噴射弁、１６……Ｏ２センサ、２１……
スロツトルセンサ、２２……コントロールユニツ
ト。
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 FIGS. 3 and 4 are flowcharts showing control contents. 1... Engine, 7... Primary side throttle valve, 11
...Fuel injection valve, 16... O2 sensor, 21...
Throttle sensor, 22...control unit.
Claims (1)
気の空燃比を検出する空燃比検出手段と、空燃比
のリツチ・リーンに応じて空燃比フイードバツク
補正係数を所定の量減少または増大させる空燃比
フイードバツク補正係数設定手段と、機関への燃
料供給手段による燃料供給量をそのときの空燃比
フイードバツク補正係数で補正する燃料供給量補
正手段とを備えて、空燃比を目標空燃比にフイー
ドバツク制御する内燃機関の空燃比フイードバツ
ク制御装置において、機関のスロツトル弁の開度
を検出するスロツトル弁開度検出手段と、スロツ
トル弁の開度の変化率に基づいて加速を検出する
加速検出手段と、加速検出時に前記空燃比フイー
ドバツク補正係数設定手段の機能を停止させて前
記空燃比フイードバツク補正係数をクランプする
クランプ手段とを設けたことを特徴とする内燃機
関の空燃比フイードバツク制御装置。 An air-fuel ratio detection means for detecting engine exhaust components and thereby detecting the air-fuel ratio of the engine intake air-fuel mixture; and an air-fuel ratio feedback correction means for decreasing or increasing the air-fuel ratio feedback correction coefficient by a predetermined amount according to the richness or leanness of the air-fuel ratio. An internal combustion engine that feedback-controls the air-fuel ratio to a target air-fuel ratio, comprising a coefficient setting means and a fuel supply amount correction means for correcting the amount of fuel supplied by the fuel supply means to the engine with the air-fuel ratio feedback correction coefficient at that time. The air-fuel ratio feedback control device includes a throttle valve opening detection means for detecting the opening of the throttle valve of the engine, an acceleration detection means for detecting acceleration based on the rate of change in the opening of the throttle valve, and a throttle valve opening detection means for detecting the opening of the throttle valve of the engine; 1. An air-fuel ratio feedback control device for an internal combustion engine, comprising: clamping means for clamping the air-fuel ratio feedback correction coefficient by stopping the function of the fuel ratio feedback correction coefficient setting means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987171350U JPH0176534U (en) | 1987-11-11 | 1987-11-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987171350U JPH0176534U (en) | 1987-11-11 | 1987-11-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0176534U true JPH0176534U (en) | 1989-05-24 |
Family
ID=31463107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987171350U Pending JPH0176534U (en) | 1987-11-11 | 1987-11-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0176534U (en) |
-
1987
- 1987-11-11 JP JP1987171350U patent/JPH0176534U/ja active Pending