JPS648542U - - Google Patents
Info
- Publication number
- JPS648542U JPS648542U JP10329687U JP10329687U JPS648542U JP S648542 U JPS648542 U JP S648542U JP 10329687 U JP10329687 U JP 10329687U JP 10329687 U JP10329687 U JP 10329687U JP S648542 U JPS648542 U JP S648542U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder group
- intake passage
- injection valve
- 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.)
- Pending
Links
Landscapes
- Exhaust Gas After Treatment (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
第１図は内燃機関の全体図、第２図は排気系の
別の実施例を示す図、第３図は排気系の更に別の
実施例を示す図である。
１，２，３，４，５，６，７，８……気筒、１
３……第１排気通路、１５……第１酸素濃度検出
器、１６……第２排気通路、１８……第２酸素濃
度検出器、３６……第１吸気通路、３７……第２
吸気通路、５１，５２，５３，５４……第１燃料
噴射弁、５５，５６，５７，５８……第２燃料噴
射弁。
FIG. 1 is an overall view of the internal combustion engine, FIG. 2 is a diagram showing another embodiment of the exhaust system, and FIG. 3 is a diagram showing still another embodiment of the exhaust system. 1, 2, 3, 4, 5, 6, 7, 8... cylinder, 1
3...First exhaust passage, 15...First oxygen concentration detector, 16...Second exhaust passage, 18...Second oxygen concentration detector, 36...First intake passage, 37...Second
Intake passage, 51, 52, 53, 54...first fuel injection valve, 55, 56, 57, 58...second fuel injection valve.
Claims (1)
、第１気筒群に対して共通の第１排気通路を設け
ると共に第１排気通路内に配置した第１酸素濃度
検出器の出力信号に基いて第１気筒群の各気筒に
対して設けられた第１燃料噴射弁を制御し、第２
気筒群に対して共通の第２排気通路を設けると共
に第２排気通路内に配置した第２酸素濃度検出器
の出力信号に基いて第２気筒群の各気筒に対して
設けられた第２燃料噴射弁を制御するようにした
内燃機関において、機関吸気通路を第１吸気通路
および第２吸気通路に分岐すると共に第１吸気通
路および第２吸気通路を夫々第１気筒群および第
２気筒群に連結し、第１吸気通路内に上記第１燃
料噴射弁を配置すると共に第２吸気通路内に上記
第２燃料噴射弁を配置した内燃機関の排気浄化装
置。 The cylinders of the engine are divided into a first cylinder group and a second cylinder group, a common first exhaust passage is provided for the first cylinder group, and an output signal of a first oxygen concentration detector disposed in the first exhaust passage. The first fuel injection valve provided for each cylinder of the first cylinder group is controlled based on the
A common second exhaust passage is provided for the cylinder group, and a second fuel is provided for each cylinder of the second cylinder group based on the output signal of a second oxygen concentration detector placed in the second exhaust passage. In an internal combustion engine in which an injection valve is controlled, an engine intake passage is branched into a first intake passage and a second intake passage, and the first intake passage and the second intake passage are connected to a first cylinder group and a second cylinder group, respectively. An exhaust gas purification device for an internal combustion engine, wherein the first fuel injection valve is arranged in a first intake passage and the second fuel injection valve is arranged in a second intake passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10329687U JPS648542U (en) | 1987-07-07 | 1987-07-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10329687U JPS648542U (en) | 1987-07-07 | 1987-07-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS648542U true JPS648542U (en) | 1989-01-18 |
Family
ID=31333997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10329687U Pending JPS648542U (en) | 1987-07-07 | 1987-07-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS648542U (en) |
-
1987
- 1987-07-07 JP JP10329687U patent/JPS648542U/ja active Pending