JPS6028259U - Air-fuel ratio control device for internal combustion engines - Google Patents
Air-fuel ratio control device for internal combustion enginesInfo
- Publication number
- JPS6028259U JPS6028259U JP11858183U JP11858183U JPS6028259U JP S6028259 U JPS6028259 U JP S6028259U JP 11858183 U JP11858183 U JP 11858183U JP 11858183 U JP11858183 U JP 11858183U JP S6028259 U JPS6028259 U JP S6028259U
- Authority
- JP
- Japan
- Prior art keywords
- air
- operating range
- control device
- internal combustion
- ratio control
- 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
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
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
第１図は従来の部分頁荷時希薄燃焼システムを採用した
空燃比制御装置の概要図、第２図は本考案の構成を示す
概要図、第３図は本考案の実施例を示す概要図、第４図
はその制御プログラムを示すフローチャート、第５図は
本実施例に用いる電磁弁ＯＮ ＤＵＴＹ ＭＡＰを
示す図である。
１・・・・・・吸入空気管、２・・・・・・絞り弁、８
・・曲機関運転条件検出手段、９・・曲運転域判定手段
、１゜・・・・・・燃料量制御手段、１１・・・・・・
バイパス流路、１２・・・・・・流量調整器、１３・・
・・・・流量調整器駆動手段、１７・・・・・・コント
ロールユニットミ １０１，１０２・・・・・・制御プ
ログラム中の運転域判定手段に相当するステップ、１０
３，１０５・・・・・・同燃料量制御手段に相当するス
テップ、１０４，１０６・・曲回流量調整器駆動手段に
相当するステップ。Fig. 1 is a schematic diagram of an air-fuel ratio control device employing a conventional partial load lean burn system, Fig. 2 is a schematic diagram showing the configuration of the present invention, and Fig. 3 is a schematic diagram showing an embodiment of the present invention. , FIG. 4 is a flowchart showing the control program, and FIG. 5 is a diagram showing the solenoid valve ON DUTY MAP used in this embodiment. 1... Intake air pipe, 2... Throttle valve, 8
... Bent engine operating condition detection means, 9... Bent operating range determination means, 1°... Fuel amount control means, 11...
Bypass flow path, 12...Flow rate regulator, 13...
. . . Flow rate regulator drive means, 17 . . . Control unit mi 101, 102 . . . Steps corresponding to operating range determination means in the control program, 10
3, 105... Steps corresponding to the fuel amount control means, 104, 106... Steps corresponding to the turning flow rate regulator driving means.
Claims (1)
件から希薄燃焼すべき運転域かそれ以外の運転域かを判
定する運転域判定手段と、希薄撚−焼すべき運転域と判
定された場合はそれ以外の運転域より混合気を希薄とす
るように吸入空気量に対して燃料量を制御する燃料量制
御手段を有する内燃機関の空燃比制御装置において、吸
入空気管の絞り弁上流側と絞り弁下流側とを結ぶバイパ
ス流路と、このバイパス流路を通る空気量を調整する流
量調整器と、前記運転域判定手段で希薄燃焼すべき運転
域と判定された場合、それ以外の運転域と同じ絞り弁開
度でほぼ同等の機関出力を得るムめに必要な混合気の増
量酋に相当する空気を前記バイパス流路を通して機関に
吸入させるように前記検出された機関運転条件に対応し
て前記流量調整器を開動作させる流量調整器駆動手段を
備えたことを特徴とする内燃機関の空燃比制御装置。means for detecting engine operating conditions; operating range determining means for determining from the detected engine operating conditions whether the operating range is a lean-burn operating range or an operating range other than the operating range; In an air-fuel ratio control device for an internal combustion engine that has a fuel amount control means that controls the amount of fuel with respect to the amount of intake air so that the air-fuel mixture is leaner than in other operating ranges, a bypass flow path connecting the downstream side of the throttle valve and a flow rate regulator that adjusts the amount of air passing through the bypass flow path; The detected engine operating condition is adjusted so that air corresponding to the increased amount of air-fuel mixture necessary to obtain substantially the same engine output with the same throttle valve opening as the operating range is sucked into the engine through the bypass flow path. An air-fuel ratio control device for an internal combustion engine, characterized in that the air-fuel ratio control device for an internal combustion engine is provided with a flow rate regulator drive means for opening the flow rate regulator in response.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11858183U JPS6028259U (en) | 1983-08-01 | 1983-08-01 | Air-fuel ratio control device for internal combustion engines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11858183U JPS6028259U (en) | 1983-08-01 | 1983-08-01 | Air-fuel ratio control device for internal combustion engines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6028259U true JPS6028259U (en) | 1985-02-26 |
Family
ID=30272491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11858183U Pending JPS6028259U (en) | 1983-08-01 | 1983-08-01 | Air-fuel ratio control device for internal combustion engines |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6028259U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10231746A (en) * | 1996-12-19 | 1998-09-02 | Toyota Motor Corp | Combustion system control device for internal combustion engine |
-
1983
- 1983-08-01 JP JP11858183U patent/JPS6028259U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10231746A (en) * | 1996-12-19 | 1998-09-02 | Toyota Motor Corp | Combustion system control device for internal combustion engine |
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