JPH0327817U - - Google Patents
Info
- Publication number
- JPH0327817U JPH0327817U JP8695889U JP8695889U JPH0327817U JP H0327817 U JPH0327817 U JP H0327817U JP 8695889 U JP8695889 U JP 8695889U JP 8695889 U JP8695889 U JP 8695889U JP H0327817 U JPH0327817 U JP H0327817U
- Authority
- JP
- Japan
- Prior art keywords
- diesel engine
- heat source
- purification device
- filter
- source supply
- 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
- 238000000746 purification Methods 0.000 claims 2
- 230000008929 regeneration Effects 0.000 claims 2
- 238000011069 regeneration method Methods 0.000 claims 2
- 230000001172 regenerating effect Effects 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 1
Description
第１図はこの考案の実施例を示す構成図、第２
図は同じくコントロールユニツト内で行なわれる
制御動作を説明するフローチヤート、第３図は同
じくフイルタの前面温度特性図、第４図は捕集パ
ーテイキユレイトの燃焼除去量―積分値特性図で
ある。
１……トラツプフイルタ、３……排気通路、４
……バーナ、５……温度センサ、６……コントロ
ールユニツト。
Figure 1 is a configuration diagram showing an embodiment of this invention, Figure 2
FIG. 3 is a flowchart illustrating the control operation carried out in the control unit, FIG. 3 is a front temperature characteristic diagram of the filter, and FIG. 4 is a characteristic diagram of the combustion removal amount of the collected particulates versus the integral value. 1... Trap filter, 3... Exhaust passage, 4
...Burner, 5...Temperature sensor, 6...Control unit.
Claims (1)
ツプフイルタと、その上流側に捕集パーテイキユ
レイトを再燃焼処理する再生熱源供給手段を備え
るデイーゼルエンジンの排気浄化装置において、
トラツプフイルタの前面温度を検出する手段と、
再生熱源供給手段の作動時にフイルタ前面の検出
温度と所定の再生開始温度との差と単位時間の積
の総和を演算する積分手段と、この積分値が設定
値を越えたときに再生熱源供給手段の作動停止を
判断する判定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浄化装置。 In an exhaust purification device for a diesel engine, which includes a particulate trap filter in the engine exhaust passage and a regeneration heat source supply means for re-combusting the collected particulate on the upstream side thereof,
means for detecting the front temperature of the trap filter;
an integrating means for calculating the sum of the product of the difference between the detected temperature at the front of the filter and a predetermined regeneration start temperature and a unit time when the regenerative heat source supply means is activated; An exhaust purification device for a diesel engine, characterized in that it is provided with a determination means for determining whether or not the operation of the diesel engine is stopped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8695889U JPH0634572Y2 (en) | 1989-07-25 | 1989-07-25 | Exhaust gas purification device for diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8695889U JPH0634572Y2 (en) | 1989-07-25 | 1989-07-25 | Exhaust gas purification device for diesel engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0327817U true JPH0327817U (en) | 1991-03-20 |
| JPH0634572Y2 JPH0634572Y2 (en) | 1994-09-07 |
Family
ID=31636606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8695889U Expired - Fee Related JPH0634572Y2 (en) | 1989-07-25 | 1989-07-25 | Exhaust gas purification device for diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0634572Y2 (en) |
-
1989
- 1989-07-25 JP JP8695889U patent/JPH0634572Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0634572Y2 (en) | 1994-09-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |