JPH0387914U - - Google Patents
Info
- Publication number
- JPH0387914U JPH0387914U JP15108289U JP15108289U JPH0387914U JP H0387914 U JPH0387914 U JP H0387914U JP 15108289 U JP15108289 U JP 15108289U JP 15108289 U JP15108289 U JP 15108289U JP H0387914 U JPH0387914 U JP H0387914U
- Authority
- JP
- Japan
- Prior art keywords
- catalytic converter
- exhaust
- oxidation catalytic
- pipes
- cylinders
- 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
- 230000003197 catalytic effect Effects 0.000 claims description 5
- 230000003647 oxidation Effects 0.000 claims description 5
- 238000007254 oxidation reaction Methods 0.000 claims description 5
- 239000000446 fuel Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
Landscapes
- Exhaust Gas After Treatment (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Description
第１図は本考案に係るアルコールエンジンの一
実施例を示すブロツク図、第２図は本考案の一変
形例を示したアルコールエンジンのブロツク図、
第３図は一般的な酸化触媒コンバータにおける出
入口排気温度と出入口ガス温度の時間変化との関
係を示した特性図である。
Ａ，Ｂ，Ｃ，Ｄ，Ｅ，Ｆ……気筒、４……第１
の排気管、５……第２の排気管、５ａ……第１の
分岐管、５ｂ……第２の分岐管、６……酸化触媒
コンバータ、９……マフラー、１０，１１……開
閉弁、１２……吸気絞り弁。
FIG. 1 is a block diagram showing an embodiment of an alcohol engine according to the present invention, and FIG. 2 is a block diagram of an alcohol engine showing a modified example of the present invention.
FIG. 3 is a characteristic diagram showing the relationship between the exhaust gas temperature at the inlet and outlet and the time change of the gas temperature at the inlet and outlet in a general oxidation catalytic converter. A, B, C, D, E, F...Cylinder, 4...1st
Exhaust pipe, 5...Second exhaust pipe, 5a...First branch pipe, 5b...Second branch pipe, 6...Oxidation catalytic converter, 9...Muffler, 10, 11...Opening/closing valve , 12...Intake throttle valve.
Claims (1)
少なくとも２つの群に分割し切り換えにより特定
の気筒群にだけ燃料を噴射させて使用することが
可能なエンジン本体と、下流側が互いに合流し上
流側が異なる前記気筒群の排気ポート側に接続さ
れた少なくとも２つの排気管と、前記一方の排気
管の途中に設けた酸化触媒コンバータとを備える
とともに、他方の排気管の途中を前記酸化触媒コ
ンバータへ通じる第１の分岐管と前記酸化触媒コ
ンバータを通らず前記合流部分へ向かう第２の分
岐管とに分岐し、かつ前記第１と第２の分岐管に
開閉弁を設けたことを特徴とするアルコールエン
ジン。 An engine body that has a plurality of cylinders and can be used by dividing the plurality of cylinders into at least two groups and injecting fuel only to a specific cylinder group by switching, At least two exhaust pipes are connected to the exhaust port side of the cylinder group, and an oxidation catalytic converter is provided in the middle of one of the exhaust pipes, and a first exhaust pipe is connected to the oxidation catalytic converter in the middle of the other exhaust pipe. and a second branch pipe that does not pass through the oxidation catalytic converter but goes to the merging section, and the first and second branch pipes are provided with on-off valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15108289U JPH0387914U (en) | 1989-12-27 | 1989-12-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15108289U JPH0387914U (en) | 1989-12-27 | 1989-12-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0387914U true JPH0387914U (en) | 1991-09-09 |
Family
ID=31697399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15108289U Pending JPH0387914U (en) | 1989-12-27 | 1989-12-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0387914U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008114730A1 (en) * | 2007-03-14 | 2008-09-25 | Toyota Jidosha Kabushiki Kaisha | Exhaust control device for internal combustion engine |
-
1989
- 1989-12-27 JP JP15108289U patent/JPH0387914U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008114730A1 (en) * | 2007-03-14 | 2008-09-25 | Toyota Jidosha Kabushiki Kaisha | Exhaust control device for internal combustion engine |