JPS62132254U - - Google Patents
Info
- Publication number
- JPS62132254U JPS62132254U JP2008086U JP2008086U JPS62132254U JP S62132254 U JPS62132254 U JP S62132254U JP 2008086 U JP2008086 U JP 2008086U JP 2008086 U JP2008086 U JP 2008086U JP S62132254 U JPS62132254 U JP S62132254U
- Authority
- JP
- Japan
- Prior art keywords
- air
- fuel ratio
- output
- sensor means
- ratio sensor
- 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 12
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図は本考案の構成を説明するための全体ブ
ロツク図、第２図は本考案に係る内燃機関の空燃
比制御装置の一実施例を示す全体概略図、第３図
、第４図、第５図は第２図の制御回路の動作を説
明するためのフローチヤート、第６図は本考案の
効果を示すタイムチヤートである。
１…機関本体、２…吸気通路、２ｂ…吸気マニ
ホルド、３…エアフローメータ、４…デイストリ
ビユータ、５，６…クランク角センサ、７…燃料
噴射弁、８…排気通路、８ａ…排気マニホルド、
９…Ｏ２センサ、１０…制御回路、１１…水温セ
ンサ、１２…空気導入管、１３…逆止弁、１４…
ＡＳＶ、１５…ＶＳＶ。
FIG. 1 is an overall block diagram for explaining the configuration of the present invention, FIG. 2 is an overall schematic diagram showing an embodiment of an air-fuel ratio control device for an internal combustion engine according to the present invention, FIGS. FIG. 5 is a flow chart for explaining the operation of the control circuit shown in FIG. 2, and FIG. 6 is a time chart showing the effects of the present invention. DESCRIPTION OF SYMBOLS 1... Engine body, 2... Intake passage, 2b... Intake manifold, 3... Air flow meter, 4... Distributor, 5, 6... Crank angle sensor, 7... Fuel injection valve, 8... Exhaust passage, 8a... Exhaust manifold,
9... O2 sensor, 10... Control circuit, 11... Water temperature sensor, 12... Air introduction pipe, 13... Check valve, 14...
ASV, 15...VSV.
Claims (1)
でのみ２次空気を供給する２次空気供給手段と、 この２次空気供給手段の下流側の排気通路内に
設けられた空燃比センサ手段、及びその下流側に
設けられた触媒と、 前記空燃比センサ手段の出力により空燃比をフ
イードバツク制御する空燃比制御手段と、 前記２次空気供給手段が２次空気の供給を停止
した後に前記空燃比センサ手段の出力を取り込み
、この空燃比センサ手段の出力が所定値を越えて
から前記空燃比制御手段に空燃比のフイードバツ
ク制御を開始させる空燃比制御開始手段と、 を備えた内燃機関の空燃比制御装置。[Claims for Utility Model Registration] Secondary air supply means for supplying secondary air into the exhaust passage of an internal combustion engine only under specific operating conditions of the engine, and an exhaust passage downstream of the secondary air supply means. an air-fuel ratio sensor means provided, a catalyst provided downstream thereof; an air-fuel ratio control means for feedback-controlling the air-fuel ratio based on the output of the air-fuel ratio sensor means; air-fuel ratio control starting means that captures the output of the air-fuel ratio sensor means after the supply is stopped, and causes the air-fuel ratio control means to start feedback control of the air-fuel ratio after the output of the air-fuel ratio sensor means exceeds a predetermined value; Air-fuel ratio control device for internal combustion engines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008086U JPS62132254U (en) | 1986-02-17 | 1986-02-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008086U JPS62132254U (en) | 1986-02-17 | 1986-02-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62132254U true JPS62132254U (en) | 1987-08-20 |
Family
ID=30815255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008086U Pending JPS62132254U (en) | 1986-02-17 | 1986-02-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62132254U (en) |
-
1986
- 1986-02-17 JP JP2008086U patent/JPS62132254U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS62132254U (en) | ||
| JPS62132255U (en) | ||
| JPS6326748U (en) | ||
| JPH0161429U (en) | ||
| JPS62171636U (en) | ||
| JPS63125163U (en) | ||
| JPH0389982U (en) | ||
| JPS61149749U (en) | ||
| JPS61123850U (en) | ||
| JPS6159849U (en) | ||
| JPS643032U (en) | ||
| JPS58163622U (en) | Internal combustion engine exhaust gas purification device | |
| JPH0310051U (en) | ||
| JPS61187911U (en) | ||
| JPS62173532U (en) | ||
| JPS6365860U (en) | ||
| JPH0373652U (en) | ||
| JPH0213170U (en) | ||
| JPS6226518U (en) | ||
| JPS62175263U (en) | ||
| JPS62124266U (en) | ||
| JPS6162268U (en) | ||
| JPS63162954U (en) | ||
| JPS584760U (en) | Internal combustion engine control device | |
| JPS61151067U (en) |