JPS61116127U - - Google Patents
Info
- Publication number
- JPS61116127U JPS61116127U JP19783884U JP19783884U JPS61116127U JP S61116127 U JPS61116127 U JP S61116127U JP 19783884 U JP19783884 U JP 19783884U JP 19783884 U JP19783884 U JP 19783884U JP S61116127 U JPS61116127 U JP S61116127U
- Authority
- JP
- Japan
- Prior art keywords
- passage
- independent
- independent intake
- intake passage
- cylinder
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Characterised By The Charging Evacuation (AREA)
Description
第１図〜第４図は本考案の実施例を示し、第１
図は第３図の―線における縦断側面図、第２
図は第３図の―線における縦断側面図、第３
図は一部破断した平面図、第４図は第１図の―
線における拡大断面図である。第５図は他の実
施例を示す第１図相当図である。
１…エンジン本体、４…気筒、６…独立吸気通
路、８…吸気拡大室、８ａ…第１容積室、８ｂ…
第２容積室、１３…第２通路、１４…制御弁、１
６…吸気系構造体、１７…タンク部、１８…一体
吸気管部、１９…分岐吸気管部、２０…連通管部
、２７…接続部、２７ｂ…下流側部分。
1 to 4 show embodiments of the present invention.
The figure is a longitudinal cross-sectional side view taken along the line - of Figure 3.
The figure is a vertical sectional side view taken along the line - of Figure 3.
The figure is a partially cutaway plan view, and Figure 4 is the same as Figure 1.
FIG. FIG. 5 is a diagram corresponding to FIG. 1 showing another embodiment. DESCRIPTION OF SYMBOLS 1...Engine body, 4...Cylinder, 6...Independent intake passage, 8...Intake expansion chamber, 8a...First volume chamber, 8b...
Second volume chamber, 13... Second passage, 14... Control valve, 1
6... Intake system structure, 17... Tank part, 18... Integral intake pipe part, 19... Branch intake pipe part, 20... Communication pipe part, 27... Connection part, 27b... Downstream side part.
Claims (1)
を互いに独立した気筒別の各独立吸気通路で接続
するとともに、該各独立吸気通路の途中をそれぞ
れタンク内部の空間に連通する第２通路を設け、
該各第２通路にエンジンの運転状態に応じて開閉
する制御弁を設けた多気筒エンジンの吸気装置に
おいて、上記各制御弁は、第２通路の独立吸気通
路との接続部にその開弁状態で弁体が独立吸気通
路に張出するように設置されているとともに、上
記接続部の形状は、閉弁状態の制御弁と独立吸気
通路との間の間隔が独立吸気通路下流側で大きく
、かつこの下流側部分が滑らかなＲ状の曲面にな
るように設定されていることを特徴とする多気筒
エンジンの吸気装置。 Connecting at least one space inside the tank and each cylinder through independent intake passages for each cylinder that are independent of each other, and providing a second passage that communicates the middle of each independent intake passage with the space inside the tank,
In the intake system for a multi-cylinder engine in which each of the second passages is provided with a control valve that opens and closes depending on the operating state of the engine, each of the control valves has an open state at the connection portion of the second passage with the independent intake passage. The valve body is installed so as to protrude into the independent intake passage, and the shape of the connection part is such that the distance between the control valve in the closed state and the independent intake passage is large on the downstream side of the independent intake passage. An intake system for a multi-cylinder engine, characterized in that the downstream portion thereof is set to have a smooth R-shaped curved surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19783884U JPH0315779Y2 (en) | 1984-12-29 | 1984-12-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19783884U JPH0315779Y2 (en) | 1984-12-29 | 1984-12-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61116127U true JPS61116127U (en) | 1986-07-22 |
| JPH0315779Y2 JPH0315779Y2 (en) | 1991-04-05 |
Family
ID=30756344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19783884U Expired JPH0315779Y2 (en) | 1984-12-29 | 1984-12-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0315779Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006299910A (en) * | 2005-04-20 | 2006-11-02 | Toyota Motor Corp | Variable intake device |
-
1984
- 1984-12-29 JP JP19783884U patent/JPH0315779Y2/ja not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006299910A (en) * | 2005-04-20 | 2006-11-02 | Toyota Motor Corp | Variable intake device |
| JP4595648B2 (en) * | 2005-04-20 | 2010-12-08 | トヨタ自動車株式会社 | Variable intake system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0315779Y2 (en) | 1991-04-05 |