JPH01130055U - - Google Patents
Info
- Publication number
- JPH01130055U JPH01130055U JP2644988U JP2644988U JPH01130055U JP H01130055 U JPH01130055 U JP H01130055U JP 2644988 U JP2644988 U JP 2644988U JP 2644988 U JP2644988 U JP 2644988U JP H01130055 U JPH01130055 U JP H01130055U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- gas recirculation
- pipe
- alcohol
- intake
- 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
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000446 fuel Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Exhaust-Gas Circulating Devices (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Description
第１図はこの考案の装置の一例を示す構成図、
第２図は負荷と空気過剰率との関係を示すグラフ
、第３図は負荷とＥＧＲ量との関係を示すグラフ
で、第４図は負荷とＮＯｘ排出量との関係を示す
グラフである。
なお図において、１……アルコールエンジン、
２……エアクリーナ、３……吸気管、４……排気
管、５……吸気制御バルブ、６……排気還流用バ
イパス管、７……ＥＧＲバルブ、８……コントロ
ールレバー、である。
FIG. 1 is a configuration diagram showing an example of the device of this invention.
FIG. 2 is a graph showing the relationship between load and excess air ratio, FIG. 3 is a graph showing the relationship between load and EGR amount, and FIG. 4 is a graph showing the relationship between load and NOx emission amount. In the figure, 1...alcohol engine,
2... Air cleaner, 3... Intake pipe, 4... Exhaust pipe, 5... Intake control valve, 6... Exhaust gas recirculation bypass pipe, 7... EGR valve, 8... Control lever.
Claims (1)
デイーゼルエンジンの吸気管内に、吸気制御バル
ブを設けるとともに、この吸気管内に前記エンジ
ンと吸気制御バルブとの中間において、エンジン
の排気管から分岐させた排気還流用バイパス管を
開口させ、このバイパス管内に、ＥＧＲバルブを
配設してなるアルコールエンジン用排気還流装置
。 ２ 前記着火補助装置が、スパークプラグ又はグ
ロープラグである請求項１記載のアルコールエン
ジン用排気還流装置。 ３ 前記ＥＧＲバルブにこのバルブを流過する排
気の流量を制御すべきコントロールレバーを付設
してなる請求項１記載のアルコールエンジン用排
気還流装置。[Claims for Utility Model Registration] 1. An intake control valve is provided in the intake pipe of a diesel engine that uses alcohol as fuel and is provided with an ignition assist device, and an intake control valve is provided in the intake pipe between the engine and the intake control valve. An exhaust gas recirculation device for an alcohol engine, in which an exhaust gas recirculation bypass pipe branched from an exhaust pipe is opened, and an EGR valve is disposed within the bypass pipe. 2. The exhaust gas recirculation device for an alcohol engine according to claim 1, wherein the ignition assist device is a spark plug or a glow plug. 3. The exhaust gas recirculation system for an alcohol engine according to claim 1, wherein the EGR valve is provided with a control lever for controlling the flow rate of exhaust gas flowing through the valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988026449U JPH0738685Y2 (en) | 1988-02-29 | 1988-02-29 | Combustion improvement device for alcohol engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988026449U JPH0738685Y2 (en) | 1988-02-29 | 1988-02-29 | Combustion improvement device for alcohol engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01130055U true JPH01130055U (en) | 1989-09-05 |
| JPH0738685Y2 JPH0738685Y2 (en) | 1995-09-06 |
Family
ID=31248083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988026449U Expired - Lifetime JPH0738685Y2 (en) | 1988-02-29 | 1988-02-29 | Combustion improvement device for alcohol engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0738685Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5881884U (en) * | 1981-11-30 | 1983-06-02 | トヨタ自動車株式会社 | Spark plug for internal combustion engine |
| JPS5994154U (en) * | 1982-12-15 | 1984-06-26 | 株式会社小松製作所 | diesel engine |
| JPS6065331U (en) * | 1983-10-14 | 1985-05-09 | 日産自動車株式会社 | Diesel engine assist ignition system |
-
1988
- 1988-02-29 JP JP1988026449U patent/JPH0738685Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5881884U (en) * | 1981-11-30 | 1983-06-02 | トヨタ自動車株式会社 | Spark plug for internal combustion engine |
| JPS5994154U (en) * | 1982-12-15 | 1984-06-26 | 株式会社小松製作所 | diesel engine |
| JPS6065331U (en) * | 1983-10-14 | 1985-05-09 | 日産自動車株式会社 | Diesel engine assist ignition system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0738685Y2 (en) | 1995-09-06 |
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