JPS61147352U - - Google Patents
Info
- Publication number
- JPS61147352U JPS61147352U JP3048085U JP3048085U JPS61147352U JP S61147352 U JPS61147352 U JP S61147352U JP 3048085 U JP3048085 U JP 3048085U JP 3048085 U JP3048085 U JP 3048085U JP S61147352 U JPS61147352 U JP S61147352U
- Authority
- JP
- Japan
- Prior art keywords
- engine
- detecting
- speed
- valve
- detection means
- 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
- 238000001514 detection method Methods 0.000 claims description 5
- 230000003247 decreasing effect Effects 0.000 claims 1
- 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、クレーム対応図、第２図〜第４図は
、本考案の一実施例を示し、第２図は全体構成図
、第３図は制御回路のブロツク図、第４図はマイ
クロコンピユータの主要プログラムのフローチヤ
ートである。また、第５図は、タイムチヤートで
ある。
１０……エンジン本体、１８……スロツトルバ
ルブ、２４……吸気圧センサ、２８……制御回路
、３６……ＶＳＶ（開閉弁）、４０……クランク
角センサ（エンジン回転数検出手段）、５８……
アイドル（ＩＤＬ）スイツチ、７４……車速セン
サ、７６……吸気通路、７８……バイパス通路。
Fig. 1 is a diagram corresponding to claims, Figs. 2 to 4 show an embodiment of the present invention, Fig. 2 is an overall configuration diagram, Fig. 3 is a block diagram of a control circuit, and Fig. 4 is a microcontroller. This is a flowchart of the main programs of the computer. Moreover, FIG. 5 is a time chart. 10... Engine body, 18... Throttle valve, 24... Intake pressure sensor, 28... Control circuit, 36... VSV (on/off valve), 40... Crank angle sensor (engine speed detection means), 58 ……
Idle (IDL) switch, 74...Vehicle speed sensor, 76...Intake passage, 78...Bypass passage.
Claims (1)
れる吸気通路と並列にバイパス通路を形成し、こ
のバイパス通路に開閉弁を介挿し、その開閉弁を
開閉制御することによつてアイドル回転数を制御
するエンジンのアイドル回転数制御装置であつて
、 エンジンの吸気圧を検出する吸気圧センサと、 前記吸気圧の変化量が、絶対圧が小さくなる方
向に所定量以上であることを検出して、エンジン
回転数の急減状態を検出する回転数急減検出手段
と、 回転数急減検出手段によつて前記急減状態が検
出されると、前記開閉弁を開く開弁手段と、 エンジン回転数を検出するエンジン回転数検出
手段と、 所定期間内のエンジン回転数の変化量が、所定
値以内であることを検出してエンジン回転数が安
定状態にあることを検出する安定状態検出手段と
、 安定状態検出手段によつて前記安定状態が検出
されると、前記開閉弁を閉じる閉弁手段と、 を備えるエンジンのアイドル回転数制御装置。[Claims for Utility Model Registration] Forming a bypass passage in parallel with the intake passage whose intake air amount is controlled by a throttle valve, inserting an on-off valve into this bypass passage, and controlling the opening and closing of the on-off valve. An engine idle speed control device that controls an idle speed by controlling an idle speed by an intake pressure sensor that detects an intake pressure of the engine; a sudden decrease in engine speed detection means for detecting a sudden decrease in engine speed by detecting that the engine speed is suddenly decreasing; , an engine rotation speed detection means for detecting the engine rotation speed, and a stable state for detecting that the engine rotation speed is in a stable state by detecting that the amount of change in the engine rotation speed within a predetermined period is within a predetermined value. An engine idle speed control device comprising: a detection means; and a valve closing means that closes the on-off valve when the stable state is detected by the stable state detection means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3048085U JPS61147352U (en) | 1985-03-04 | 1985-03-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3048085U JPS61147352U (en) | 1985-03-04 | 1985-03-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61147352U true JPS61147352U (en) | 1986-09-11 |
Family
ID=30530213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3048085U Pending JPS61147352U (en) | 1985-03-04 | 1985-03-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61147352U (en) |
-
1985
- 1985-03-04 JP JP3048085U patent/JPS61147352U/ja active Pending