JPH0259241U - - Google Patents
Info
- Publication number
- JPH0259241U JPH0259241U JP13857288U JP13857288U JPH0259241U JP H0259241 U JPH0259241 U JP H0259241U JP 13857288 U JP13857288 U JP 13857288U JP 13857288 U JP13857288 U JP 13857288U JP H0259241 U JPH0259241 U JP H0259241U
- Authority
- JP
- Japan
- Prior art keywords
- fuel supply
- engine
- stop region
- idle
- supply stop
- 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
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図は本考案の一実施例によるアイドル回転
数制御のフローチヤート、第２図は燃料供給手段
の制御マツプを示す図、第３図はこの実施例のア
イドル回転数制御によるエンジン回転数の変化を
示すグラフ、第４図は本考案の実施例および従来
技術に共通するエンジン制御系の概略構成図であ
る。
３……スロツトル弁、５……バイパス通路、６
……アイドル調整弁（電磁弁）、１０……コント
ロールユニツト、１１……インジエクタ、１２…
…燃料供給手段、１３……アイドルスピードコン
トロール手段、１０ａ……故障検知手段、１０ｂ
……燃料供給停止領域の下限値変更手段。
Fig. 1 is a flowchart of idle speed control according to an embodiment of the present invention, Fig. 2 is a diagram showing a control map of the fuel supply means, and Fig. 3 is a diagram showing the control of engine speed by idle speed control of this embodiment. A graph showing the changes in FIG. 4 is a schematic configuration diagram of an engine control system common to the embodiment of the present invention and the prior art. 3...Throttle valve, 5...Bypass passage, 6
... Idle adjustment valve (solenoid valve), 10 ... Control unit, 11 ... Injector, 12 ...
...Fuel supply means, 13...Idle speed control means, 10a...Failure detection means, 10b
... Means for changing the lower limit value of the fuel supply stop area.
Claims (1)
運転状態時に、該スロツトル弁のバイパス通路に
設けられたアイドル調整弁の開度を調節してアイ
ドル回転数を制御するアイドルスピードコントロ
ール手段と、 該アイドルスピードコントロール手段の故障を
検知する故障検知手段と、 前記スロツトル弁の全閉時にエンジン回転数が
所定の燃料供給停止領域内にあると該エンジンへ
の燃料供給を停止し、該エンジン回転数が燃料供
給停止領域の下限値を下回ると燃料の供給を再び
開始する燃料供給手段と、 前記故障検知手段がアイドルスピードコントロ
ール手段の故障を検知したときに、前記燃料供給
手段の燃料供給停止領域の下限値を所定のアイド
ル回転数の近傍にまで低下させる燃料供給停止領
域の下限値変更手段と、 を備えたことを特徴とするエンジンの制御装置。[Claims for Utility Model Registration] Idle speed control for controlling the idle speed by adjusting the opening degree of an idle adjustment valve provided in the bypass passage of the throttle valve when the engine is in idle operation with the throttle valve fully closed. a control means; a failure detection means for detecting a failure of the idle speed control means; stopping fuel supply to the engine when the engine speed is within a predetermined fuel supply stop region when the throttle valve is fully closed; a fuel supply means that restarts the supply of fuel when the engine speed falls below a lower limit value of a fuel supply stop region; An engine control device comprising: lower limit value changing means for a fuel supply stop region that lowers the lower limit value of the fuel supply stop region to near a predetermined idle speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13857288U JPH0259241U (en) | 1988-10-26 | 1988-10-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13857288U JPH0259241U (en) | 1988-10-26 | 1988-10-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0259241U true JPH0259241U (en) | 1990-04-27 |
Family
ID=31401027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13857288U Pending JPH0259241U (en) | 1988-10-26 | 1988-10-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0259241U (en) |
-
1988
- 1988-10-26 JP JP13857288U patent/JPH0259241U/ja active Pending