JPS61149762U - - Google Patents
Info
- Publication number
- JPS61149762U JPS61149762U JP3267285U JP3267285U JPS61149762U JP S61149762 U JPS61149762 U JP S61149762U JP 3267285 U JP3267285 U JP 3267285U JP 3267285 U JP3267285 U JP 3267285U JP S61149762 U JPS61149762 U JP S61149762U
- Authority
- JP
- Japan
- Prior art keywords
- surge tank
- intake
- intake passage
- tank wall
- exhaust gas
- 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
- 238000011144 upstream manufacturing Methods 0.000 claims description 5
Landscapes
- Characterised By The Charging Evacuation (AREA)
- Exhaust-Gas Circulating Devices (AREA)
Description
第１図は本考案の一実施例による多気筒エンジ
ンの吸気系構造の断面図、第２図は同吸気系構造
の部分拡大断面図である。
４…吸気通路、４ａ…上流側開口端、６…サー
ジタンク、６ａ…サージタンク壁、１１…排気ガ
ス還流用通路、１２…排気ガス還流孔。
FIG. 1 is a sectional view of an intake system structure of a multi-cylinder engine according to an embodiment of the present invention, and FIG. 2 is a partially enlarged sectional view of the same intake system structure. 4...Intake passage, 4a...Upstream opening end, 6...Surge tank, 6a...Surge tank wall, 11...Exhaust gas recirculation passage, 12...Exhaust gas recirculation hole.
Claims (1)
路にて連通した多気筒エンジンの吸気系構造にお
いて、吸気通路上流側がサージタンク外周の一部
を湾曲状に囲むように配置され、その上流側の開
口端がサージタンク壁と所定距離を隔てて対向す
るようにサージタンクの断面形状を略Ｌ字状とし
、かつ、上記吸気通路上流側開口端と対向するサ
ージタンク壁に、サージタンク長手方向に延びる
排気ガス還流用通路をサージタンク壁と一体に形
成するとともに、各吸気通路上流側開口端に対向
する位置に排気ガス還流孔を形成したことを特徴
とする多気筒エンジンの吸気系構造。 In an intake system structure for a multi-cylinder engine in which a surge tank and each cylinder are communicated through independent intake passages, the upstream side of the intake passage is arranged so as to curve around a part of the outer periphery of the surge tank, and the opening on the upstream side The cross-sectional shape of the surge tank is approximately L-shaped so that the end faces the surge tank wall at a predetermined distance, and the surge tank extends in the longitudinal direction on the surge tank wall facing the upstream opening end of the intake passage. An intake system structure for a multi-cylinder engine, characterized in that an exhaust gas recirculation passage is formed integrally with a surge tank wall, and an exhaust gas recirculation hole is formed at a position facing the upstream opening end of each intake passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3267285U JPS61149762U (en) | 1985-03-07 | 1985-03-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3267285U JPS61149762U (en) | 1985-03-07 | 1985-03-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61149762U true JPS61149762U (en) | 1986-09-16 |
Family
ID=30534404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3267285U Pending JPS61149762U (en) | 1985-03-07 | 1985-03-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61149762U (en) |
-
1985
- 1985-03-07 JP JP3267285U patent/JPS61149762U/ja active Pending