JPS63156453U - - Google Patents
Info
- Publication number
- JPS63156453U JPS63156453U JP4867687U JP4867687U JPS63156453U JP S63156453 U JPS63156453 U JP S63156453U JP 4867687 U JP4867687 U JP 4867687U JP 4867687 U JP4867687 U JP 4867687U JP S63156453 U JPS63156453 U JP S63156453U
- Authority
- JP
- Japan
- Prior art keywords
- egr
- passage
- control valve
- engine
- generation amount
- 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
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の第１実施例に係るＥＧＲ装置
の構成図、第２図はＮＯｘの発生量とパーテイキ
ユレイトの発生量の関連マツプ、第３図はエンジ
ン回転数及びエンジン負荷に対応して設定したＥ
ＧＲ率を示すＥＧＲマツプ、第４図は本考案の第
２実施例に係るＥＧＲ装置の構成図である。
１……排気通路、２……吸気通路、３……ＥＧ
Ｒ通路、４……流量制御弁、５……パーテイキユ
レイトトラツプフイルタ、６……エンジン回転数
検出手段、７……エンジン負荷検出手段、８……
制御手段。
Figure 1 is a configuration diagram of the EGR system according to the first embodiment of the present invention, Figure 2 is a map of the relationship between the amount of NOx generated and the amount of particulate, and Figure 3 corresponds to the engine rotation speed and engine load. E set by
An EGR map showing the GR rate, FIG. 4 is a configuration diagram of an EGR device according to a second embodiment of the present invention. 1...Exhaust passage, 2...Intake passage, 3...EG
R passage, 4...Flow rate control valve, 5...Partial trap filter, 6...Engine speed detection means, 7...Engine load detection means, 8...
control means.
Claims (1)
、ＥＧＲ通路途中に設けた流量制御弁と、エンジ
ンから流量制御弁に至る排気通路又はＥＧＲ通路
途中に設けたパーテイキユレイトトラツプフイル
タと、エンジン回転数検出手段と、エンジン負荷
検出手段と、エンジン回転数及びエンジン負荷に
よつて決まる運転状態に対応するＮＯｘ発生量と
パーテイキユレイト発生量との関連マツプに基づ
き流量制御弁の開度を駆動・制御する制御手段と
から構成されていることを特徴とするＥＧＲ装置
。 An EGR passage that communicates the exhaust passage with the intake passage, a flow control valve provided in the middle of the EGR passage, a particulate trap filter provided in the middle of the exhaust passage or EGR passage leading from the engine to the flow control valve, and the engine rotation. The opening of the flow rate control valve is controlled based on the relationship map between the NOx generation amount and the particulate generation amount corresponding to the operating state determined by the engine speed and the engine load. An EGR device comprising a control means for controlling the EGR.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4867687U JPS63156453U (en) | 1987-03-31 | 1987-03-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4867687U JPS63156453U (en) | 1987-03-31 | 1987-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63156453U true JPS63156453U (en) | 1988-10-13 |
Family
ID=30870431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4867687U Pending JPS63156453U (en) | 1987-03-31 | 1987-03-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63156453U (en) |
-
1987
- 1987-03-31 JP JP4867687U patent/JPS63156453U/ja active Pending
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