JPS59156122U - Internal combustion engine intake system - Google Patents
Internal combustion engine intake systemInfo
- Publication number
- JPS59156122U JPS59156122U JP5137483U JP5137483U JPS59156122U JP S59156122 U JPS59156122 U JP S59156122U JP 5137483 U JP5137483 U JP 5137483U JP 5137483 U JP5137483 U JP 5137483U JP S59156122 U JPS59156122 U JP S59156122U
- Authority
- JP
- Japan
- Prior art keywords
- intake
- valve
- combustion engine
- internal combustion
- intake passage
- 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
- Output Control And Ontrol Of Special Type 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Ａ、 Ｂは従来例の側断面図と要部底面図、第２
図Ａ、 Ｂはこの考案の実施例の側断面図と要部底面図
、第３図Ａ、 Ｂはこの考案の他の実施例の要部底面図
と要部斜視図である。第４図は従来例と本考案例におけ
るガス流速、乱れ強さの比較 ′特性図、第５図
は同じ（燃料消費率、ＮＯ及びＨＣ濃度の比較特性図で
ある。
１３・・・燃焼室、９・・・吸気弁、７・・・第２の絞
り弁、４・・・主吸気通路、１０・・・副吸気通路、Ｉ
ＯＡ’・・・下流側開口部、８・・・シリンダヘッド−
８Ａ・・・シリンダヘッド側の燃焼室壁。Figures 1A and B are a side sectional view and a bottom view of the main parts of the conventional example, and Figure 2
Figures A and B are a side sectional view and a bottom view of essential parts of an embodiment of this invention, and Figures 3A and 3B are a bottom view and a perspective view of important parts of another embodiment of this invention. Fig. 4 is a characteristic diagram comparing the gas flow velocity and turbulence strength between the conventional example and the present example, and Fig. 5 is the same (comparative characteristic diagram of fuel consumption rate, NO and HC concentration). 13... Combustion chamber , 9... Intake valve, 7... Second throttle valve, 4... Main intake passage, 10... Sub-intake passage, I
OA'...Downstream opening, 8...Cylinder head-
8A...Cylinder head side combustion chamber wall.
Claims (1)
′弁とその下流に低負荷域で閉じる第２の絞り弁を設け
ると基にここの第２の絞り弁上流の主吸気通路から分岐
すると共に吸気弁の近傍で再゛ び主吸気通路に合流
するようにして副吸気通路とを設けた内燃機関において
、上記副吸気通路の下流側開口部を、その噴出吸気が吸
気弁の開弁時に燃焼室の略中心に向けてかつシリンダヘ
ッド側燃焼室壁に沿ってシリンダの軸線方向に流入する
ように設けたことを特徴とする内燃機関の吸気装置。The main intake passage that communicates with the combustion chamber via the intake valve is provided with an intake throttle valve and a second throttle valve that closes in the low load range downstream of the intake throttle valve.Based on this, from the main intake passage upstream of the second throttle valve In an internal combustion engine that is provided with a sub-intake passage that branches and rejoins the main intake passage near the intake valve, the ejected intake air flows through the downstream opening of the sub-intake passage when the intake valve is opened. 1. An intake device for an internal combustion engine, characterized in that the intake device is provided so that air flows in the axial direction of the cylinder toward substantially the center of the combustion chamber and along the combustion chamber wall on the cylinder head side when the valve is opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5137483U JPS59156122U (en) | 1983-04-06 | 1983-04-06 | Internal combustion engine intake system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5137483U JPS59156122U (en) | 1983-04-06 | 1983-04-06 | Internal combustion engine intake system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59156122U true JPS59156122U (en) | 1984-10-19 |
Family
ID=30181785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5137483U Pending JPS59156122U (en) | 1983-04-06 | 1983-04-06 | Internal combustion engine intake system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59156122U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02230920A (en) * | 1989-03-03 | 1990-09-13 | Fuji Heavy Ind Ltd | Suction device for engine |
| JPH0389936U (en) * | 1989-12-28 | 1991-09-12 | ||
| EP1878892A2 (en) * | 2006-07-07 | 2008-01-16 | Yamaha Hatsudoki Kabushiki Kaisha | Spark ignition type multi-cylinder engine |
| JP2017020473A (en) * | 2015-07-15 | 2017-01-26 | 三菱自動車工業株式会社 | engine |
-
1983
- 1983-04-06 JP JP5137483U patent/JPS59156122U/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02230920A (en) * | 1989-03-03 | 1990-09-13 | Fuji Heavy Ind Ltd | Suction device for engine |
| JPH0389936U (en) * | 1989-12-28 | 1991-09-12 | ||
| EP1878892A2 (en) * | 2006-07-07 | 2008-01-16 | Yamaha Hatsudoki Kabushiki Kaisha | Spark ignition type multi-cylinder engine |
| JP2008014265A (en) * | 2006-07-07 | 2008-01-24 | Yamaha Motor Co Ltd | Spark ignition type multiple cylinder engine |
| EP1878892A3 (en) * | 2006-07-07 | 2013-01-16 | Yamaha Hatsudoki Kabushiki Kaisha | Spark ignition type multi-cylinder engine |
| JP2017020473A (en) * | 2015-07-15 | 2017-01-26 | 三菱自動車工業株式会社 | engine |
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