JPH0261145U - - Google Patents
Info
- Publication number
- JPH0261145U JPH0261145U JP16762588U JP16762588U JPH0261145U JP H0261145 U JPH0261145 U JP H0261145U JP 16762588 U JP16762588 U JP 16762588U JP 16762588 U JP16762588 U JP 16762588U JP H0261145 U JPH0261145 U JP H0261145U
- Authority
- JP
- Japan
- Prior art keywords
- difference
- calculating
- cylinder
- fuel injection
- average value
- 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 9
- 239000003599 detergent Substances 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000004880 explosion Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
Landscapes
- Output Control And Ontrol Of Special Type Engine (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Fuel-Injection Apparatus (AREA)
Description
第１図は考案の構成図、第２図は本考案の一実
施例を適用したエンジンを示す断面図、第３図は
出力変動検出ルーチンのフローチヤート、第４図
は清浄剤供給制御ルーチンのフローチヤート、第
５図は清浄剤の燃料への混入時間と燃料噴射弁に
おける燃料流量との関係を示すグラフ、第６図は
清浄剤供給制御ルーチンの他のフローチヤートで
ある。
２２……燃料噴射弁、３３……燃料タンク、３
５……清浄剤タンク、３８……電磁弁、５１……
制御回路。
Fig. 1 is a block diagram of the invention, Fig. 2 is a sectional view showing an engine to which an embodiment of the invention is applied, Fig. 3 is a flowchart of an output fluctuation detection routine, and Fig. 4 is a detergent supply control routine. Flow chart, FIG. 5 is a graph showing the relationship between the mixing time of the detergent into the fuel and the fuel flow rate at the fuel injection valve, and FIG. 6 is another flow chart of the detergent supply control routine. 22...Fuel injection valve, 33...Fuel tank, 3
5...Cleanser tank, 38...Solenoid valve, 51...
control circuit.
Claims (1)
給する時期を制御する装置であつて、各気筒の爆
発行程の所要時間とこの所要時間の全気筒におけ
る平均値との比を算出する手段と、上記比に基づ
いて各気筒間の出力トルク差を求め、この出力ト
ルク差が減少するように各気筒に対する燃料噴射
補正係数を算出する手段と、各気筒における上記
補正係数と基準値の差、およびこの差の全気筒に
おける平均値を求め、この差と平均値の差を判断
指数として算出する手段と、この判断指数が所定
値より大きい時、燃料へ清浄剤を供給する手段と
を備えることを特徴とする内燃機関の燃料噴射弁
の洗浄装置。 A device for controlling the timing of supplying a detergent into fuel supplied to a fuel injection valve, and means for calculating the ratio of the time required for an explosion stroke of each cylinder to the average value of this required time for all cylinders. and a means for calculating an output torque difference between each cylinder based on the above ratio and calculating a fuel injection correction coefficient for each cylinder so as to reduce this output torque difference, and a difference between the above correction coefficient and a reference value for each cylinder. , and means for calculating the average value of this difference for all cylinders and calculating the difference between this difference and the average value as a judgment index, and means for supplying a detergent to the fuel when this judgment index is larger than a predetermined value. A cleaning device for a fuel injection valve of an internal combustion engine, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16762588U JPH0261145U (en) | 1988-06-16 | 1988-12-27 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7885888 | 1988-06-16 | ||
| JP16762588U JPH0261145U (en) | 1988-06-16 | 1988-12-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0261145U true JPH0261145U (en) | 1990-05-07 |
Family
ID=31718508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16762588U Pending JPH0261145U (en) | 1988-06-16 | 1988-12-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0261145U (en) |
-
1988
- 1988-12-27 JP JP16762588U patent/JPH0261145U/ja active Pending
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