JPS6436516U - - Google Patents
Info
- Publication number
- JPS6436516U JPS6436516U JP13125387U JP13125387U JPS6436516U JP S6436516 U JPS6436516 U JP S6436516U JP 13125387 U JP13125387 U JP 13125387U JP 13125387 U JP13125387 U JP 13125387U JP S6436516 U JPS6436516 U JP S6436516U
- Authority
- JP
- Japan
- Prior art keywords
- engine
- exhaust gas
- throttle valve
- trap filter
- smoke
- 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
- 239000000779 smoke Substances 0.000 claims description 5
- 238000000746 purification Methods 0.000 claims 2
- 239000003054 catalyst Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Description
第１図はこの考案の実施例を示す構成図、第２
図は制御内容を説明するフローチヤート、第３，
４図はそれぞれ他の実施例を示す構成図、第５図
は従来技術を示す構成図、第６図はそのオールス
ピードガバナ特性図、第７図は同じく等排気温度
線図である。
１０…デイーゼルエンジン、１１…エンジン排
気管、１３…スモークトラツプフイルタ、１４，
１５…圧力センサ、１６…温度センサ、１７…絞
り弁、１８…コントロールユニツト、２０…吸気
通路、２１…パルスモータ。
Figure 1 is a configuration diagram showing an embodiment of this invention, Figure 2
The figure is a flowchart explaining the control contents.
4 is a block diagram showing other embodiments, FIG. 5 is a block diagram showing the prior art, FIG. 6 is an all-speed governor characteristic diagram, and FIG. 7 is a constant exhaust temperature diagram. 10... Diesel engine, 11... Engine exhaust pipe, 13... Smoke trap filter, 14,
15... Pressure sensor, 16... Temperature sensor, 17... Throttle valve, 18... Control unit, 20... Intake passage, 21... Pulse motor.
Claims (1)
を捕集する触媒付スモークトラツプフイルタを介
装したデイーゼルエンジンの排気ガス浄化装置に
おいて、エンジン吸気通路に絞り弁を設け、この
絞り弁を駆動するアクチユエータと、エンジン排
気ガス温度を検出する手段と、上記スモークトラ
ツプフイルタの目詰まりを検出する手段と、これ
らの検出信号に基づいてエンジン排気ガス温度が
規定値以下で、かつスモークトラツプフイルタが
目詰まりを起こしているときに前記アクチユエー
タを介して絞り弁を閉じ方向に作動させる制御手
段を設けたことを特徴とするデイーゼルエンジン
の排気ガス浄化装置。 In an exhaust gas purification system for a diesel engine, in which a smoke trap filter with a catalyst is installed in the engine exhaust passage to collect smoke components in the exhaust gas, a throttle valve is provided in the engine intake passage, and an actuator that drives the throttle valve is installed in the engine intake passage. , a means for detecting engine exhaust gas temperature, a means for detecting clogging of the smoke trap filter, and a means for detecting clogging of the smoke trap filter; 1. An exhaust gas purification device for a diesel engine, comprising a control means for operating a throttle valve in a closing direction via the actuator when the engine is running.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13125387U JPS6436516U (en) | 1987-08-28 | 1987-08-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13125387U JPS6436516U (en) | 1987-08-28 | 1987-08-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6436516U true JPS6436516U (en) | 1989-03-06 |
Family
ID=31387145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13125387U Pending JPS6436516U (en) | 1987-08-28 | 1987-08-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6436516U (en) |
-
1987
- 1987-08-28 JP JP13125387U patent/JPS6436516U/ja active Pending
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