JPH0176559U - - Google Patents
Info
- Publication number
- JPH0176559U JPH0176559U JP1987171986U JP17198687U JPH0176559U JP H0176559 U JPH0176559 U JP H0176559U JP 1987171986 U JP1987171986 U JP 1987171986U JP 17198687 U JP17198687 U JP 17198687U JP H0176559 U JPH0176559 U JP H0176559U
- Authority
- JP
- Japan
- Prior art keywords
- intake control
- control valve
- air
- intake
- fuel ratio
- 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 6
- 238000002485 combustion reaction Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims 2
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 239000007921 spray Substances 0.000 claims 1
- 238000013517 stratification Methods 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図はこの考案の構成を示す図。第２図は実
施例の全体概略構成図。第３図は燃焼室の上面概
略図。第４図は燃焼室の縦断面図。第５図から第
７図は制御回路の作動を説明するフローチヤート
。第８図は空燃比とＮＯｘ排出量との開係を示す
グラフ。第９図は第２実施例を示す第３図と同様
な図。第１０図は第２実施例の吸気制御弁駆動ル
ーチンのフローチヤート。
１６……燃焼室、２２ａ，２２ｂ……吸気ポー
ト、２４ａ，２４ｂ……排気ポート、２６ａ，２
６ｂ……吸気弁、２８ａ，２８ｂ……排気弁、３
０……点火栓、３４……インジエクタ、４４……
吸気制御弁、５０……制御回路、５２……クラン
ク角センサ、５７……リーンセンサ。
FIG. 1 is a diagram showing the configuration of this invention. FIG. 2 is an overall schematic configuration diagram of the embodiment. Figure 3 is a schematic top view of the combustion chamber. Figure 4 is a longitudinal sectional view of the combustion chamber. 5 to 7 are flowcharts explaining the operation of the control circuit. FIG. 8 is a graph showing the relationship between air-fuel ratio and NOx emissions. FIG. 9 is a diagram similar to FIG. 3 showing the second embodiment. FIG. 10 is a flowchart of the intake control valve drive routine of the second embodiment. 16... Combustion chamber, 22a, 22b... Intake port, 24a, 24b... Exhaust port, 26a, 2
6b...Intake valve, 28a, 28b...Exhaust valve, 3
0...Spark plug, 34...Injector, 44...
Intake control valve, 50...control circuit, 52...crank angle sensor, 57...lean sensor.
Claims (1)
択的に開放する吸気制御弁と、燃焼室内での混合
気の成層のため衝突目標物に向けて柱状の噴霧を
形成するインジエクタと、空燃比検出手段と、空
燃比検出手段が検出する空燃比に応じて吸気制御
弁の作動を制御する吸気制御弁駆動手段とから成
る燃料噴射内燃機関の吸気制御装置。 One cylinder has multiple intake passages, an intake control valve that selectively opens one of them, an injector that forms a columnar spray toward a collision target for stratification of the air-fuel mixture in the combustion chamber, and an air intake control valve that selectively opens one of the intake passages. An intake control device for a fuel injection internal combustion engine, comprising a fuel ratio detection means and an intake control valve driving means for controlling the operation of an intake control valve according to the air-fuel ratio detected by the air-fuel ratio detection means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987171986U JPH0176559U (en) | 1987-11-12 | 1987-11-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987171986U JPH0176559U (en) | 1987-11-12 | 1987-11-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0176559U true JPH0176559U (en) | 1989-05-24 |
Family
ID=31463983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987171986U Pending JPH0176559U (en) | 1987-11-12 | 1987-11-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0176559U (en) |
-
1987
- 1987-11-12 JP JP1987171986U patent/JPH0176559U/ja active Pending
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