JPS6371445U - - Google Patents
Info
- Publication number
- JPS6371445U JPS6371445U JP16625986U JP16625986U JPS6371445U JP S6371445 U JPS6371445 U JP S6371445U JP 16625986 U JP16625986 U JP 16625986U JP 16625986 U JP16625986 U JP 16625986U JP S6371445 U JPS6371445 U JP S6371445U
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- fuel
- pulse width
- transient
- amount
- 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 10
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 230000001052 transient effect Effects 0.000 claims description 6
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 239000002828 fuel tank 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図はこの考案の概念構成図、第２図、第３
図はこの考案の一実施例のコントローラに付与す
る演算内容を表す流れ図、第４図は燃圧、燃料噴
射パルス幅に対する要求燃料量の特性線図、第５
図はこの実施例の作用を説明する波形図である。
第６図は従来例の概略図である。
１……機関本体、２……吸気管、３……吸気絞
り弁、５……燃料タンク、６……燃料噴射弁、７
……燃料供給通路、８……燃料ポンプ、９……戻
り通路、１０……圧力調整器、１１……負圧通路
、２２……クランク角センサ、２３……水温セン
サ、２５……コントローラ、３１……噴射パルス
幅算出手段、３２……出力手段、３３……過渡時
判別手段、３４……過渡変化量算出手段、３５…
…経過時間計測手段、３６……補正量算出手段、
３７……補正手段。
Figure 1 is a conceptual diagram of this idea, Figures 2 and 3.
The figure is a flowchart showing the calculation contents given to the controller of one embodiment of this invention.
The figure is a waveform diagram illustrating the operation of this embodiment.
FIG. 6 is a schematic diagram of a conventional example. 1... Engine body, 2... Intake pipe, 3... Intake throttle valve, 5... Fuel tank, 6... Fuel injection valve, 7
...Fuel supply passage, 8...Fuel pump, 9...Return passage, 10...Pressure regulator, 11...Negative pressure passage, 22...Crank angle sensor, 23...Water temperature sensor, 25...Controller, 31... Injection pulse width calculation means, 32... Output means, 33... Transient time determination means, 34... Transient change amount calculation means, 35...
... Elapsed time measuring means, 36... Correction amount calculating means,
37...Correction means.
Claims (1)
射弁に作用させる燃圧を絞り弁下流の吸入負圧に
応じて制御する圧力調整器と、機関運転状態に応
じた燃料噴射パルス幅を算出する手段と、この噴
射パルス幅に応じた制御量を前記噴射弁に出力す
る手段とを備える燃料噴射制御装置において、機
関が過渡時であるかどうかを判別する手段と、過
渡変化量を算出する手段と、過渡開始からの経過
時間を計測する手段と、これらの過渡変化量、経
過時間及び機関回転数に基づいて燃圧の応答遅れ
に関する補正量を算出する手段と、過渡時にこの
補正量にて前記燃料噴射パルス幅を補正する手段
とを設けたことを特徴とする燃料噴射制御装置。 A fuel injection valve installed upstream of the intake throttle valve, a pressure regulator that controls the fuel pressure applied to this injection valve according to the intake negative pressure downstream of the throttle valve, and a fuel injection pulse width that is calculated according to the engine operating state. and means for outputting a control amount according to the injection pulse width to the injection valve, the fuel injection control device comprising: means for determining whether the engine is in a transient state; and means for calculating the amount of transient change. a means for measuring the elapsed time from the start of the transient; a means for calculating a correction amount for the fuel pressure response delay based on the amount of transient change, the elapsed time, and the engine speed; 1. A fuel injection control device comprising: means for correcting a fuel injection pulse width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16625986U JPS6371445U (en) | 1986-10-29 | 1986-10-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16625986U JPS6371445U (en) | 1986-10-29 | 1986-10-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6371445U true JPS6371445U (en) | 1988-05-13 |
Family
ID=31097062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16625986U Pending JPS6371445U (en) | 1986-10-29 | 1986-10-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6371445U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06229280A (en) * | 1993-02-05 | 1994-08-16 | Unisia Jecs Corp | Fuel supply control device for internal combustion engine |
-
1986
- 1986-10-29 JP JP16625986U patent/JPS6371445U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06229280A (en) * | 1993-02-05 | 1994-08-16 | Unisia Jecs Corp | Fuel supply control device for internal combustion engine |
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