JPH01173435U - - Google Patents
Info
- Publication number
- JPH01173435U JPH01173435U JP6868788U JP6868788U JPH01173435U JP H01173435 U JPH01173435 U JP H01173435U JP 6868788 U JP6868788 U JP 6868788U JP 6868788 U JP6868788 U JP 6868788U JP H01173435 U JPH01173435 U JP H01173435U
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- cylinder
- abnormality
- ignition
- injection valve
- 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
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 230000005856 abnormality Effects 0.000 claims description 5
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Ignition Installations For Internal Combustion Engines (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図は本考案の構成を示すブロツク図、第２
図は本考案の一実施例を示す電子制御燃料噴射式
内燃機関のシステム概略図、第３図は同上実施例
における点火系のチエツク特性を示すタイムチヤ
ート、第４図は同上実施例における点火系異常時
のフエイルセーフ制御を示すフローチヤートであ
る。
１……機関、６……燃料噴射弁、７……点火栓
、１２……コントロールユニツト、１４……クラ
ンク角センサ。
Figure 1 is a block diagram showing the configuration of the present invention;
The figure is a system schematic diagram of an electronically controlled fuel injection type internal combustion engine showing one embodiment of the present invention, Figure 3 is a time chart showing the check characteristics of the ignition system in the above embodiment, and Figure 4 is the ignition system in the above embodiment. It is a flowchart showing fail-safe control in the event of an abnormality. 1... Engine, 6... Fuel injection valve, 7... Spark plug, 12... Control unit, 14... Crank angle sensor.
Claims (1)
それぞれオン・オフ的に駆動制御することにより
燃料を噴射供給するよう構成される一方、各気筒
毎に点火系を備えてなる電子制御燃料噴射式内燃
機関において、 前記点火系の異常が発生した気筒を判別する点
火異常気筒判別手段と、該点火異常気筒判別手段
により点火系の異常発生が判別された気筒に備え
られた燃料噴射弁の開駆動を禁止する燃料噴射禁
止手段と、を備えて構成されたことを特徴とする
電子制御燃料噴射式内燃機関のフエイルセーフ装
置。[Scope of Claim for Utility Model Registration] Each cylinder is provided with a fuel injection valve, and each cylinder is configured to inject and supply fuel by driving and controlling the fuel injection valve on and off. An electronically controlled fuel injection internal combustion engine comprising: an ignition abnormality cylinder determination means for determining a cylinder in which an ignition system abnormality has occurred; and a cylinder in which an ignition system abnormality has been determined by the ignition abnormality cylinder determination means. 1. A fail-safe device for an electronically controlled fuel injection type internal combustion engine, comprising: fuel injection prohibition means for prohibiting opening of a fuel injection valve provided in the engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6868788U JPH01173435U (en) | 1988-05-26 | 1988-05-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6868788U JPH01173435U (en) | 1988-05-26 | 1988-05-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01173435U true JPH01173435U (en) | 1989-12-08 |
Family
ID=31293990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6868788U Pending JPH01173435U (en) | 1988-05-26 | 1988-05-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01173435U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63295837A (en) * | 1987-05-26 | 1988-12-02 | Mitsubishi Electric Corp | Engine control device |
-
1988
- 1988-05-26 JP JP6868788U patent/JPH01173435U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63295837A (en) * | 1987-05-26 | 1988-12-02 | Mitsubishi Electric Corp | Engine control device |