JPS62183049U - - Google Patents
Info
- Publication number
- JPS62183049U JPS62183049U JP6993686U JP6993686U JPS62183049U JP S62183049 U JPS62183049 U JP S62183049U JP 6993686 U JP6993686 U JP 6993686U JP 6993686 U JP6993686 U JP 6993686U JP S62183049 U JPS62183049 U JP S62183049U
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- injection amount
- air flow
- flow rate
- setting
- 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
- 230000005856 abnormality Effects 0.000 claims 2
- 238000002485 combustion reaction Methods 0.000 claims 2
- 238000001514 detection method Methods 0.000 claims 2
- 230000002159 abnormal effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第1図は本考案の構成図、第2図は本考案の一
実施例を示すシステム図、第3図は同上実施例に
おけるフエイルセーフ制御を示すフローチヤート
、第4図は従来のフエイルセーフ制御を示すフロ
ーチヤートである。
1……回転速度センサ、2……エアフローメー
タ、3……スロツトル弁開度センサ、5……コン
トロールユニツト、6……駆動回路、7……燃料
噴射弁。
Fig. 1 is a configuration diagram of the present invention, Fig. 2 is a system diagram showing an embodiment of the invention, Fig. 3 is a flowchart showing fail-safe control in the same embodiment, and Fig. 4 shows conventional fail-safe control. It is a flowchart. DESCRIPTION OF SYMBOLS 1...Rotational speed sensor, 2...Air flow meter, 3...Throttle valve opening sensor, 5...Control unit, 6...Drive circuit, 7...Fuel injection valve.
Claims (1)
出手段と、検出された吸入空気流量に基づいて燃
料噴射量を設定する燃料噴射量設定手段と、設定
された燃料噴射量に応じて燃料噴射弁を駆動制御
する駆動制御手段と、を備えた電子制御燃料噴射
式内燃機関において、前記吸入空気流量検出手段
の異常を判定する異常判定手段と、機関の吸気通
路に介装されたスロツトル弁の開度と機関回転速
度とをそれぞれ検出する手段と、前記異常判定手
段によつて前記吸入空気流量検出手段の異常が判
定されたときに前記燃料噴射量設定手段に優先し
てスロツトル弁開度と機関回転速度との検出値に
基づいて燃料噴射量を設定する異常時燃料噴射量
設定手段と、を備えてなる電子制御燃料噴射式内
燃機関のフエイルセーフ装置。 An intake air flow rate detection means for detecting the intake air flow rate of the engine; a fuel injection amount setting means for setting a fuel injection amount based on the detected intake air flow rate; and a fuel injection amount setting means for setting a fuel injection amount according to the set fuel injection amount. In an electronically controlled fuel injection internal combustion engine, the engine is equipped with: a drive control means for controlling the drive; and an abnormality determination means for determining an abnormality in the intake air flow rate detection means; means for detecting a throttle valve opening and an engine rotational speed, respectively; A fail-safe device for an electronically controlled fuel injection type internal combustion engine, comprising: abnormal fuel injection amount setting means for setting the fuel injection amount based on a detected value of the speed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6993686U JPS62183049U (en) | 1986-05-12 | 1986-05-12 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6993686U JPS62183049U (en) | 1986-05-12 | 1986-05-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS62183049U true JPS62183049U (en) | 1987-11-20 |
Family
ID=30911109
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6993686U Pending JPS62183049U (en) | 1986-05-12 | 1986-05-12 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62183049U (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5427632A (en) * | 1977-08-03 | 1979-03-01 | Nippon Soken Inc | Electronic controller for internal combustion engine |
JPS5532919A (en) * | 1978-08-25 | 1980-03-07 | Nissan Motor Co Ltd | Fuel controller of internal combustion engine |
-
1986
- 1986-05-12 JP JP6993686U patent/JPS62183049U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5427632A (en) * | 1977-08-03 | 1979-03-01 | Nippon Soken Inc | Electronic controller for internal combustion engine |
JPS5532919A (en) * | 1978-08-25 | 1980-03-07 | Nissan Motor Co Ltd | Fuel controller of internal combustion engine |