JPS61128348U - - Google Patents
Info
- Publication number
- JPS61128348U JPS61128348U JP1226885U JP1226885U JPS61128348U JP S61128348 U JPS61128348 U JP S61128348U JP 1226885 U JP1226885 U JP 1226885U JP 1226885 U JP1226885 U JP 1226885U JP S61128348 U JPS61128348 U JP S61128348U
- Authority
- JP
- Japan
- Prior art keywords
- pulse width
- switching
- fuel
- fuel injection
- fuel pressure
- 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 12
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図〜第５図はこの考案に係る燃料噴射装置
の一実施例を示す図であり、第１図はその全体構
成図、第２図はその制御プログラムを示すフロー
チヤート、第３図はエンジン回転数と吸入空気量
との関係から燃圧切換領域を説明する説明図、第
４図は応答遅れ時間と燃圧との関係を示すグラフ
、第５図は応答遅れ時間とパルス幅補正係数との
関係を示すグラフ、第６図は従来の燃料噴射装置
を示す概略全体図である。
１６……制御回路、１７……燃料噴射弁、２０
，２１……燃圧制御弁、Ｐ０，Ｐ１……燃料圧力
、ｔ０……所定時間（応答遅れ時間）、Ｔｅ，Ｔ
……噴射パルス幅。
1 to 5 are diagrams showing one embodiment of the fuel injection device according to this invention, FIG. 1 is its overall configuration diagram, FIG. 2 is a flowchart showing its control program, and FIG. An explanatory diagram illustrating the fuel pressure switching range from the relationship between engine speed and intake air amount, Figure 4 is a graph showing the relationship between response delay time and fuel pressure, and Figure 5 is a graph showing the relationship between response delay time and pulse width correction coefficient. A graph showing the relationship, FIG. 6 is a schematic overall view showing a conventional fuel injection device. 16... Control circuit, 17... Fuel injection valve, 20
, 21...Fuel pressure control valve, P0 , P1 ...Fuel pressure, t0 ...Predetermined time (response delay time), Te, T
...Injection pulse width.
Claims (1)
せる燃料噴射弁と、該燃料噴射弁に供給する燃料
圧力を機関の運転状態に応じて切り換える際、該
燃料圧力を切り換え前のときのｍ倍に設定すると
共に、該設定時より所定時間内に、該切り換えに
応じて前記噴射パルス幅を徐々に１／ｍ倍とする
制御回路と、を備えたことを特徴とする燃料噴射
装置。 A fuel injection valve that changes the injection pulse width according to the operating state of the engine, and when switching the fuel pressure supplied to the fuel injection valve according to the operating state of the engine, the fuel pressure is m times the value before switching. A fuel injection device comprising: a control circuit that sets the injection pulse width and gradually increases the injection pulse width by 1/m within a predetermined time from the time of the setting according to the switching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1226885U JPS61128348U (en) | 1985-01-30 | 1985-01-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1226885U JPS61128348U (en) | 1985-01-30 | 1985-01-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61128348U true JPS61128348U (en) | 1986-08-12 |
Family
ID=30495168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1226885U Pending JPS61128348U (en) | 1985-01-30 | 1985-01-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61128348U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0363764U (en) * | 1989-10-23 | 1991-06-21 |
-
1985
- 1985-01-30 JP JP1226885U patent/JPS61128348U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0363764U (en) * | 1989-10-23 | 1991-06-21 |
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