JPS6357350U - - Google Patents
Info
- Publication number
- JPS6357350U JPS6357350U JP14949686U JP14949686U JPS6357350U JP S6357350 U JPS6357350 U JP S6357350U JP 14949686 U JP14949686 U JP 14949686U JP 14949686 U JP14949686 U JP 14949686U JP S6357350 U JPS6357350 U JP S6357350U
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- detecting
- electronically controlled
- egr valve
- injection 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 7
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Exhaust-Gas Circulating Devices (AREA)
Description
第１図及び第２図は本案の動作原理を示すブロ
ツク図、第３図は一実施例を組み込んだ電子制御
燃料噴射装置の構成図、第４図は一実施例の制御
フローチヤート図である。
１……エンジン、３……ＥＧＲバルブ、５……
エアフロセンサ、９……制御回路、１０……回転
センサ、１４……燃料噴射弁、１８……スロツト
ルセンサ。
1 and 2 are block diagrams showing the operating principle of the present invention, FIG. 3 is a configuration diagram of an electronically controlled fuel injection device incorporating one embodiment, and FIG. 4 is a control flowchart of one embodiment. . 1...Engine, 3...EGR valve, 5...
Air flow sensor, 9... Control circuit, 10... Rotation sensor, 14... Fuel injection valve, 18... Throttle sensor.
Claims (1)
、エンジン回転数Ｎｅを検出する手段と、スロツ
トル開度θｔｈを検出する手段とを設け、上記Ｑ
ａと上記Ｎｅに応じて基本燃料噴射量ＴＰを演算
し、これに基づいて吸気通路に設置した燃料噴射
弁を開弁駆動する制御回路を備えた自動車用電子
制御燃料供給装置において、ＥＧＲバルブ作動時
の基本燃料噴射量ＴＰＥＧＲをあらかじめ上記Ｎ
ｅと上記θｔｈのマツプ値として記憶しておき、
ＥＧＲバルブ作動時には、上記ＴＰと上記ＴＰＥ
ＧＲを比較する事によりＥＧＲバルブの故障を診
断する手段を備えた電子制御燃料噴射装置。 A means for detecting the intake air flow rate Q a of the internal combustion engine, a means for detecting the engine rotational speed Ne , and a means for detecting the throttle opening degree θ th are provided.
In an electronically controlled fuel supply system for an automobile, which is equipped with a control circuit that calculates a basic fuel injection amount TP according to a and the above Ne , and opens and drives a fuel injection valve installed in an intake passage based on this, Set the basic fuel injection amount TPEGR during operation to N above in advance.
Store it as a map value of e and the above θ th ,
When the EGR valve is activated, the above TP and above TPE
An electronically controlled fuel injection device equipped with a means for diagnosing EGR valve failure by comparing GR.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14949686U JPS6357350U (en) | 1986-10-01 | 1986-10-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14949686U JPS6357350U (en) | 1986-10-01 | 1986-10-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6357350U true JPS6357350U (en) | 1988-04-16 |
Family
ID=31064760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14949686U Pending JPS6357350U (en) | 1986-10-01 | 1986-10-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6357350U (en) |
-
1986
- 1986-10-01 JP JP14949686U patent/JPS6357350U/ja active Pending