JPH0421718U - - Google Patents
Info
- Publication number
- JPH0421718U JPH0421718U JP6131890U JP6131890U JPH0421718U JP H0421718 U JPH0421718 U JP H0421718U JP 6131890 U JP6131890 U JP 6131890U JP 6131890 U JP6131890 U JP 6131890U JP H0421718 U JPH0421718 U JP H0421718U
- Authority
- JP
- Japan
- Prior art keywords
- filter
- detection means
- temperature
- temperature detection
- detected
- 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
Description
第１図は本考案の一実施例を示す全体構成図、
第２図は再生中温度勾配特性を示す図面、第３図
は制御フローチヤート図、第４図は従来装置の一
例を示す側断面図、第５図は第２図に相当する図
面、第６図は制御態様を説明する温度特性図であ
る。
１……トラツプフイルタ、３……ハニカムフイ
ルタ、４，５……熱電対、８……電気ヒータ、９
……流量調整弁、１０……コントローラ。
FIG. 1 is an overall configuration diagram showing an embodiment of the present invention;
Fig. 2 is a drawing showing temperature gradient characteristics during regeneration, Fig. 3 is a control flow chart, Fig. 4 is a side sectional view showing an example of a conventional device, Fig. 5 is a drawing corresponding to Fig. 2, and Fig. 6 is a drawing showing temperature gradient characteristics during regeneration. The figure is a temperature characteristic diagram explaining the control mode. 1... Trap filter, 3... Honeycomb filter, 4, 5... Thermocouple, 8... Electric heater, 9
...Flow rate adjustment valve, 10...Controller.
Claims (1)
けて該フイルタに再生装置を設け、該フイルタの
中心軸に直交する断面上の半径方向の異なる位置
にそれぞれ温度検出手段を設け、それら温度検出
手段の検出温度及び検出温度差に基づき再生時の
前記フイルタの中心部温度を求める制御手段を設
けたことを特徴とするパーテイキユレイトトラツ
プフイルタの再生制御装置。 A trap filter is provided in the exhaust passage of the engine, a regenerator is provided in the filter, temperature detection means are provided at different positions in the radial direction on a cross section perpendicular to the central axis of the filter, and the detected temperatures of the temperature detection means and A regeneration control device for a particulate trap filter, comprising a control means for determining the temperature of the center of the filter during regeneration based on a detected temperature difference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6131890U JPH0421718U (en) | 1990-06-12 | 1990-06-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6131890U JPH0421718U (en) | 1990-06-12 | 1990-06-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0421718U true JPH0421718U (en) | 1992-02-24 |
Family
ID=31589464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6131890U Pending JPH0421718U (en) | 1990-06-12 | 1990-06-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0421718U (en) |
-
1990
- 1990-06-12 JP JP6131890U patent/JPH0421718U/ja active Pending
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