JPH01174547U - - Google Patents
Info
- Publication number
- JPH01174547U JPH01174547U JP7096788U JP7096788U JPH01174547U JP H01174547 U JPH01174547 U JP H01174547U JP 7096788 U JP7096788 U JP 7096788U JP 7096788 U JP7096788 U JP 7096788U JP H01174547 U JPH01174547 U JP H01174547U
- Authority
- JP
- Japan
- Prior art keywords
- engine
- control valve
- opening
- correction means
- auxiliary air
- 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 3
- 238000001514 detection method Methods 0.000 claims 2
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
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システム概略図、第
３図は同上実施例における補助空気量制御弁の開
度制御を示すフローチヤート、第４図は従来の問
題点を説明するための機関回転速度と補助空気量
との関係を示すグラフである。
１…機関、３…エアフローメータ、４…スロツ
トル弁、５…スロツトルセンサ、７…回転速度セ
ンサ、８…コントロールユニツト、１０…補助空
気通路、１１…補助空気量制御弁。
Figure 1 is a block diagram showing the configuration of the present invention, Figure 2 is a block diagram showing the configuration of the present invention.
The figure is a system schematic diagram showing one embodiment of the present invention, Figure 3 is a flowchart showing the opening control of the auxiliary air amount control valve in the same embodiment, and Figure 4 is a system diagram for explaining the problems of the conventional system. It is a graph showing the relationship between rotation speed and auxiliary air amount. DESCRIPTION OF SYMBOLS 1... Engine, 3... Air flow meter, 4... Throttle valve, 5... Throttle sensor, 7... Rotational speed sensor, 8... Control unit, 10... Auxiliary air passage, 11... Auxiliary air amount control valve.
Claims (1)
スする補助空気通路に備えられた補助空気量制御
弁と、機関の吸入空気流量を検出する吸入空気流
量検出手段と、機関回転速度を検出する回転速度
検出手段と、機関減速運転時の空燃比を補正すべ
く機関吸入空気流量に応じて前記補助空気量制御
弁の開度を設定する減速空燃比補正手段と、機関
回転速度に応じて該減速空燃比補正手段で設定さ
れた開度を補正する開度補正手段と、該開度補正
手段で補正された開度に基づいて前記補助空気量
制御弁を駆動制御する制御弁駆動手段と、を含ん
で構成されたことを特徴とする内燃機関の減速制
御装置。 An auxiliary air amount control valve provided in an auxiliary air passage that bypasses a throttle valve installed in the engine intake system, an intake air flow rate detection means for detecting the intake air flow rate of the engine, and a rotation speed for detecting the engine rotation speed. a detection means; a deceleration air-fuel ratio correction means for setting the opening degree of the auxiliary air amount control valve according to the engine intake air flow rate in order to correct the air-fuel ratio during engine deceleration operation; An opening correction means for correcting the opening set by the fuel ratio correction means, and a control valve driving means for driving and controlling the auxiliary air amount control valve based on the opening corrected by the opening correction means. A deceleration control device for an internal combustion engine, characterized by comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7096788U JPH01174547U (en) | 1988-05-31 | 1988-05-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7096788U JPH01174547U (en) | 1988-05-31 | 1988-05-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01174547U true JPH01174547U (en) | 1989-12-12 |
Family
ID=31296179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7096788U Pending JPH01174547U (en) | 1988-05-31 | 1988-05-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01174547U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6299652A (en) * | 1985-10-24 | 1987-05-09 | Nissan Motor Co Ltd | Automatic combustion controller for internal-combustion engine |
-
1988
- 1988-05-31 JP JP7096788U patent/JPH01174547U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6299652A (en) * | 1985-10-24 | 1987-05-09 | Nissan Motor Co Ltd | Automatic combustion controller for internal-combustion engine |