JPH01108318U - - Google Patents
Info
- Publication number
- JPH01108318U JPH01108318U JP170888U JP170888U JPH01108318U JP H01108318 U JPH01108318 U JP H01108318U JP 170888 U JP170888 U JP 170888U JP 170888 U JP170888 U JP 170888U JP H01108318 U JPH01108318 U JP H01108318U
- Authority
- JP
- Japan
- Prior art keywords
- filter
- bypass pipes
- pipe
- bypass
- exhaust
- 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
- 238000011144 upstream manufacturing Methods 0.000 claims description 7
- 230000008929 regeneration Effects 0.000 claims description 2
- 238000011069 regeneration method Methods 0.000 claims description 2
- 238000000746 purification Methods 0.000 claims 2
- 239000013618 particulate matter Substances 0.000 claims 1
Description
第１図はパテイキユレート捕集時における本考
案の一実施例の断面図、第２図はフイルタ再生時
における実施例装置の断面図、第３図は第１図の
―線に沿う断面図、第４図は上流連結部を示
す斜視図、第５図は上流連結部を示す正面図、第
６図は上流連結部を示す底面図、第７図は第５図
の―線を示す断面図、第８図は上流連結部の
他の実施例を示す断面図である。
Fig. 1 is a cross-sectional view of an embodiment of the present invention during particulate collection, Fig. 2 is a cross-sectional view of the embodiment device during filter regeneration, Fig. 3 is a cross-sectional view taken along the - line in Fig. 1, 4 is a perspective view showing the upstream connecting portion, FIG. 5 is a front view showing the upstream connecting portion, FIG. 6 is a bottom view showing the upstream connecting portion, and FIG. 7 is a sectional view taken along line - in FIG. 5. FIG. 8 is a sectional view showing another embodiment of the upstream connection section.
Claims (1)
ヒータが配設されるとともに、上記排気管のフイ
ルタより上流側と下流側部分が第１および第２バ
イパス管により連結され、上記フイルタのパテイ
キユレート捕集時、上記第１および第２バイパス
管が閉塞されて排気ガスは上記フイルタ、ヒータ
の順に通過して大気中へ放出され、上記フイルタ
の再生時、上記第１および第２バイパス管が開放
されて排気ガスは上記第１バイパス管、ヒータ、
フイルタ、第２バイパス管の順に通過して大気中
へ放出されるデイーゼルエンジンの排気浄化装置
において、上記第１および第２バイパス管は、上
記排気管のフイルタより上流側に位置する連結部
に、相互に近接して連結され、該連結部には単一
の切換弁が設けられ、該切換弁は、パテイキユレ
ート捕集時、上記第１および第２バイパス管を閉
塞し、フイルタ再生時、上記排気管を上流側と下
流側に仕切るとともに上記第１および第２バイパ
ス管を開放することを特徴とするデイーゼルエン
ジンの排気浄化装置。 A heater is disposed on the downstream side of a filter provided in the middle of the exhaust pipe, and the upstream and downstream parts of the exhaust pipe are connected by first and second bypass pipes, and the particulate matter collection part of the filter is connected. When the filter is regenerated, the first and second bypass pipes are blocked and the exhaust gas passes through the filter and the heater in that order and is released into the atmosphere.When the filter is regenerated, the first and second bypass pipes are opened. The exhaust gas is passed through the first bypass pipe, heater,
In the exhaust purification device for a diesel engine that passes through a filter and a second bypass pipe in order and is discharged into the atmosphere, the first and second bypass pipes are connected to a connecting portion of the exhaust pipe located upstream of the filter, They are connected in close proximity to each other, and the connecting portion is provided with a single switching valve, which closes the first and second bypass pipes during particulate collection, and closes off the exhaust gas during filter regeneration. An exhaust purification device for a diesel engine, characterized in that the pipe is partitioned into an upstream side and a downstream side, and the first and second bypass pipes are opened.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP170888U JPH066186Y2 (en) | 1988-01-12 | 1988-01-12 | Exhaust gas purification device for diesel engine |
| US07/291,274 US4875336A (en) | 1988-01-12 | 1988-12-28 | Exhaust gas emission control device for diesel engine |
| DE3900532A DE3900532A1 (en) | 1988-01-12 | 1989-01-10 | EXHAUST EMISSION CONTROL DEVICE FOR A DIESEL ENGINE |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP170888U JPH066186Y2 (en) | 1988-01-12 | 1988-01-12 | Exhaust gas purification device for diesel engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01108318U true JPH01108318U (en) | 1989-07-21 |
| JPH066186Y2 JPH066186Y2 (en) | 1994-02-16 |
Family
ID=31201830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP170888U Expired - Lifetime JPH066186Y2 (en) | 1988-01-12 | 1988-01-12 | Exhaust gas purification device for diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH066186Y2 (en) |
-
1988
- 1988-01-12 JP JP170888U patent/JPH066186Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH066186Y2 (en) | 1994-02-16 |
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