JPS5898445U - Air-fuel ratio control device for internal combustion engine deceleration - Google Patents
Air-fuel ratio control device for internal combustion engine decelerationInfo
- Publication number
- JPS5898445U JPS5898445U JP19775781U JP19775781U JPS5898445U JP S5898445 U JPS5898445 U JP S5898445U JP 19775781 U JP19775781 U JP 19775781U JP 19775781 U JP19775781 U JP 19775781U JP S5898445 U JPS5898445 U JP S5898445U
- Authority
- JP
- Japan
- Prior art keywords
- secondary air
- combustion engine
- internal combustion
- control device
- negative pressure
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図は本考案に係る減速時空燃比制御装置の一実施例が配
設された内燃機関の系統図である。
２・・・スロットル弁、５・・・ダッシュポット、５Ｃ
・・・ダイヤフラム室、６・・・第１の負圧管路、７・
・・センシングポート、９・・・−二次空気制御弁、９
ｔ・・・制御室、１２・・・排気マニホルド、１５・・
・エアーバイパス通路。The figure is a system diagram of an internal combustion engine equipped with an embodiment of the air-fuel ratio control device during deceleration according to the present invention. 2... Throttle valve, 5... Dashpot, 5C
... diaphragm chamber, 6... first negative pressure pipe line, 7.
...Sensing port, 9...-Secondary air control valve, 9
t...Control room, 12...Exhaust manifold, 15...
・Air bypass passage.
Claims (1)
排気系に供給される二次空気量を制御する二次空気制御
弁と、ダイヤフラム室が、吸気通路のスロットル弁アイ
ドリング開度より下流側に形成されるセンシングポート
および前記二次空気制御弁の制御室にそれぞれ負圧管路
を介して接続されるダッシュポットとを備えて成り、減
速時や変速時に吸気負圧が急激に変化したとき、二次空
気制御弁の制御室からダッシュポットのダイヤフラム室
内に二次空気を導入し、スロットル弁をアイドリング開
度よりも開いた状態で一時的に保持できるよう構成した
ことを特徴とする内燃機関の減速時空燃圧制御装置。゛ The secondary air control valve, which controls the amount of secondary air supplied to the exhaust system according to the intake negative pressure detected downstream of the throttle valve, and the diaphragm chamber are located downstream of the throttle valve idling opening in the intake passage. and a dashpot connected to the control chamber of the secondary air control valve through negative pressure pipes, so that when the intake negative pressure suddenly changes during deceleration or gear change, An internal combustion engine characterized in that secondary air is introduced into a diaphragm chamber of a dashpot from a control chamber of a secondary air control valve, and the throttle valve is temporarily held in an open state beyond the idling opening. Air fuel pressure control device during deceleration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19775781U JPS5898445U (en) | 1981-12-25 | 1981-12-25 | Air-fuel ratio control device for internal combustion engine deceleration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19775781U JPS5898445U (en) | 1981-12-25 | 1981-12-25 | Air-fuel ratio control device for internal combustion engine deceleration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5898445U true JPS5898445U (en) | 1983-07-04 |
Family
ID=30110969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19775781U Pending JPS5898445U (en) | 1981-12-25 | 1981-12-25 | Air-fuel ratio control device for internal combustion engine deceleration |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5898445U (en) |
-
1981
- 1981-12-25 JP JP19775781U patent/JPS5898445U/en active Pending
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