JPS644834U - - Google Patents
Info
- Publication number
- JPS644834U JPS644834U JP9841087U JP9841087U JPS644834U JP S644834 U JPS644834 U JP S644834U JP 9841087 U JP9841087 U JP 9841087U JP 9841087 U JP9841087 U JP 9841087U JP S644834 U JPS644834 U JP S644834U
- Authority
- JP
- Japan
- Prior art keywords
- injection amount
- fuel injection
- basic injection
- engine
- basic
- 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
- 238000002347 injection Methods 0.000 claims description 22
- 239000007924 injection Substances 0.000 claims description 22
- 239000000446 fuel Substances 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims 4
- 238000002485 combustion reaction Methods 0.000 claims 3
- 239000000203 mixture Substances 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 2
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図は本考案の一
実施例を示すシステム図、第３図は同上実施例に
おける噴射量制御を示すフローチヤート、第４図
は高地と低地における噴射量の特性変化を示すグ
ラフである。
１……機関、２……吸気通路、３……燃料噴射
弁、４……スロツトル弁、５……熱線式流量計、
６……スロツトルセンサ、７……クランク角セン
サ、１３……コントロールユニツト。
Fig. 1 is a configuration diagram of the present invention, Fig. 2 is a system diagram showing an embodiment of the invention, Fig. 3 is a flowchart showing injection amount control in the same embodiment, and Fig. 4 is injection at high altitude and low altitude. It is a graph showing a characteristic change of quantity. 1... Engine, 2... Intake passage, 3... Fuel injection valve, 4... Throttle valve, 5... Hot wire flow meter,
6...Throttle sensor, 7...Crank angle sensor, 13...Control unit.
Claims (1)
量流量検出手段と、機関の回転速度を検出する機
関回転速度検出手段と、前記吸入空気質量流量検
出手段で検出される吸入空気の質量流量と前記機
関回転速度検出手段で検出される機関回転速度と
に基づいて吸気通路に設けられた燃料噴射弁から
噴射される燃料の基本噴射量を設定する基本噴射
量設定手段と、機関負荷と機関回転速度とを条件
とする所定の高出力運転領域で前記基本噴射量に
混合比補正係数を乗じて燃料噴射量を増量補正す
る噴射量増量補正手段とを備えた内燃機関の電子
制御燃料噴射装置において、吸気通路に介装され
たスロツトル弁の所定以上の開度状態を検出する
スロツトル弁開度検出手段と、該スロツトル弁開
度検出手段によつてスロツトル弁が前記所定以上
の開度状態であることが検出されているときに所
定のスライスレベル基本噴射量と前記基本噴射量
設定手段によつて設定された基本噴射量とを比較
し、設定された基本噴射量が前記所定のスライス
レベル基本噴射量よりも少ないときに前記噴射量
増量補正手段における混合比補正係数を所定の最
大値に設定してこの最大混合比補正係数を基本噴
射量に乗じて燃料噴射量を増量補正させる最大増
量補正手段と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。 an intake air mass flow rate detection means for detecting the mass flow rate of engine intake air; an engine rotation speed detection means for detecting the rotational speed of the engine; and a mass flow rate of the intake air detected by the intake air mass flow rate detection means and the engine. basic injection amount setting means for setting a basic injection amount of fuel to be injected from a fuel injection valve provided in an intake passage based on the engine rotation speed detected by the rotation speed detection means; In an electronically controlled fuel injection system for an internal combustion engine, the electronically controlled fuel injection device for an internal combustion engine is provided with an injection amount increase correction means for increasing the fuel injection amount by multiplying the basic injection amount by a mixture ratio correction coefficient in a predetermined high output operating region under the condition that Throttle valve opening detecting means for detecting an opening of the throttle valve which is disposed in the passage and which detects an opening of the throttle valve which is greater than or equal to a predetermined degree; When detected, the predetermined slice level basic injection amount is compared with the basic injection amount set by the basic injection amount setting means, and the set basic injection amount is lower than the predetermined slice level basic injection amount. maximum fuel injection amount correction means that sets a mixture ratio correction coefficient in the injection amount increase correction means to a predetermined maximum value when the fuel injection amount is small, and increases the fuel injection amount by multiplying the basic injection amount by this maximum mixture ratio correction coefficient; An electronically controlled fuel injection device for an internal combustion engine, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9841087U JPS644834U (en) | 1987-06-29 | 1987-06-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9841087U JPS644834U (en) | 1987-06-29 | 1987-06-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS644834U true JPS644834U (en) | 1989-01-12 |
Family
ID=31324647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9841087U Pending JPS644834U (en) | 1987-06-29 | 1987-06-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS644834U (en) |
-
1987
- 1987-06-29 JP JP9841087U patent/JPS644834U/ja active Pending