JPS6245355U - - Google Patents
Info
- Publication number
- JPS6245355U JPS6245355U JP13748085U JP13748085U JPS6245355U JP S6245355 U JPS6245355 U JP S6245355U JP 13748085 U JP13748085 U JP 13748085U JP 13748085 U JP13748085 U JP 13748085U JP S6245355 U JPS6245355 U JP S6245355U
- Authority
- JP
- Japan
- Prior art keywords
- intake air
- engine
- air amount
- idle
- speed control
- 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 4
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 230000005856 abnormality Effects 0.000 claims 4
- 238000001514 detection method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図は本考案の全体構成図、第２図は本考案
の実施例を示す構成図、第３図は同上実施例にお
ける制御フローを示すフローチヤート、第４図は
従来のアイドル回転数制御弁を示す断面図、第５
図は第４図の部分断面図である。
１……スロツトル弁、２……補助空気通路、３
……アイドル回転数制御弁、６……燃料噴射弁、
７……内燃機関、３０……エアフローメータ、３
１……コントロールユニツト、３２……機関回転
数センサ、３３……アイドルスイツチ、３４……
電子燃料噴射制御装置。
Fig. 1 is an overall configuration diagram of the present invention, Fig. 2 is a configuration diagram showing an embodiment of the invention, Fig. 3 is a flowchart showing the control flow in the same embodiment, and Fig. 4 is a conventional idle speed control. Sectional view showing the valve, No. 5
The figure is a partial sectional view of FIG. 4. 1... Throttle valve, 2... Auxiliary air passage, 3
...Idle speed control valve, 6...Fuel injection valve,
7... Internal combustion engine, 30... Air flow meter, 3
1... Control unit, 32... Engine speed sensor, 33... Idle switch, 34...
Electronic fuel injection control device.
Claims (1)
空気通路にアイドル回転数制御弁を有し、その弁
開度により補助空気量を制御することによつて機
関のアイドル時の回転数を目標値にフイードバツ
ク制御する内燃機関のアイドル回転数制御装置に
おいて、機関の吸入空気量を検出する吸入空気量
検出手段と、該吸入空気量検出手段によつてアイ
ドル時に検出された吸入空気量がアイドル回転数
制御弁の制御信号に基づく所定吸入空気量より多
いことによつて異常と判定する異常判定手段と、
該異常判定手段の異常判定に基づいて少なくとも
一部の気筒への燃料供給を機関の所定回転数以上
で停止する燃料供給停止手段と、を備えたことを
特徴とする内燃機関のアイドル回転数制御装置。 There is an idle speed control valve in the auxiliary air passage that bypasses the throttle valve of the engine intake system, and by controlling the amount of auxiliary air according to the opening degree of the valve, feedback control of the engine speed at idle is performed to the target value. In an idle speed control device for an internal combustion engine, there is provided an intake air amount detection means for detecting the amount of intake air of the engine, and an intake air amount detected by the intake air amount detection means during idling is detected by the idle speed control valve. abnormality determination means for determining an abnormality when the intake air amount is greater than a predetermined intake air amount based on the control signal;
Idle rotation speed control for an internal combustion engine, comprising: fuel supply stop means for stopping fuel supply to at least some cylinders at a predetermined engine speed or higher based on abnormality determination by the abnormality determination means. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13748085U JPS6245355U (en) | 1985-09-10 | 1985-09-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13748085U JPS6245355U (en) | 1985-09-10 | 1985-09-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6245355U true JPS6245355U (en) | 1987-03-19 |
Family
ID=31041571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13748085U Pending JPS6245355U (en) | 1985-09-10 | 1985-09-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6245355U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6282254A (en) * | 1985-10-03 | 1987-04-15 | Mitsubishi Motors Corp | Safety device for idling speed control device |
-
1985
- 1985-09-10 JP JP13748085U patent/JPS6245355U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6282254A (en) * | 1985-10-03 | 1987-04-15 | Mitsubishi Motors Corp | Safety device for idling speed control device |