JPS63196419U - - Google Patents
Info
- Publication number
- JPS63196419U JPS63196419U JP8736287U JP8736287U JPS63196419U JP S63196419 U JPS63196419 U JP S63196419U JP 8736287 U JP8736287 U JP 8736287U JP 8736287 U JP8736287 U JP 8736287U JP S63196419 U JPS63196419 U JP S63196419U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust
- exhaust passage
- passage
- bypass
- collector provided
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Exhaust Gas After Treatment (AREA)
Description
第1図はこの考案の第1実施例を示す全体構成
図、第2図はこの考案の第2実施例を示す全体構
成図、第3図は従来の内燃機関の微粒子処理装置
を示す全体構成図、第4図はこの装置内における
排気温度と排気圧力を示す特性図である。
11……デイーゼル機関、13……排気通路、
14……第1捕集器、15……バイパス通路、1
6……第2捕集器、17……流路切換弁、21…
…コンピユータユニツト(制御手段)。
Figure 1 is an overall configuration diagram showing a first embodiment of this invention, Figure 2 is an overall configuration diagram showing a second embodiment of this invention, and Figure 3 is an overall configuration diagram showing a conventional particulate processing device for an internal combustion engine. 4 are characteristic diagrams showing exhaust temperature and exhaust pressure in this device. 11... Diesel engine, 13... Exhaust passage,
14...First collector, 15...Bypass passage, 1
6...Second collector, 17...Flow path switching valve, 21...
...Computer unit (control means).
Claims (1)
集する第1捕集器と、上記排気通路の下流側に形
成されたバイパス通路に設けられた第2捕集器と
、上記排気通路とバイパス通路とを切換える流路
切換弁と、該流路切換弁を少なくとも機関低回転
低負荷域に上記排気通路を閉成し上記バイパス通
路を開成するように切換制御する制御手段とを備
えたことを特徴とする内燃機関の排気微粒子処理
装置。 a first collector provided on the upstream side of the exhaust passage to collect exhaust particulates; a second collector provided in the bypass passage formed on the downstream side of the exhaust passage; and the exhaust passage and the bypass. and a control means for switching and controlling the flow path switching valve so as to close the exhaust passage and open the bypass passage at least in a low engine speed and low load region. Features: Exhaust particulate treatment device for internal combustion engines.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987087362U JPH0612169Y2 (en) | 1987-06-05 | 1987-06-05 | Exhaust particulate treatment device for internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987087362U JPH0612169Y2 (en) | 1987-06-05 | 1987-06-05 | Exhaust particulate treatment device for internal combustion engine |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63196419U true JPS63196419U (en) | 1988-12-16 |
JPH0612169Y2 JPH0612169Y2 (en) | 1994-03-30 |
Family
ID=30944499
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987087362U Expired - Lifetime JPH0612169Y2 (en) | 1987-06-05 | 1987-06-05 | Exhaust particulate treatment device for internal combustion engine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0612169Y2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002040836A1 (en) * | 2000-11-17 | 2002-05-23 | Toyota Jidosha Kabushiki Kaisha | Exhaust emission control device and method of controlling exhaust emission |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS582314U (en) * | 1981-06-30 | 1983-01-08 | トヨタ自動車株式会社 | Diesel engine exhaust particulate removal device |
JPS58111310U (en) * | 1982-01-26 | 1983-07-29 | 日産自動車株式会社 | Exhaust purification device for internal combustion engine with supercharger |
-
1987
- 1987-06-05 JP JP1987087362U patent/JPH0612169Y2/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS582314U (en) * | 1981-06-30 | 1983-01-08 | トヨタ自動車株式会社 | Diesel engine exhaust particulate removal device |
JPS58111310U (en) * | 1982-01-26 | 1983-07-29 | 日産自動車株式会社 | Exhaust purification device for internal combustion engine with supercharger |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002040836A1 (en) * | 2000-11-17 | 2002-05-23 | Toyota Jidosha Kabushiki Kaisha | Exhaust emission control device and method of controlling exhaust emission |
US6829891B2 (en) | 2000-11-17 | 2004-12-14 | Toyota Jidosha Kabushiki Kaisha | Exhaust emission control device and method of controlling exhaust emission |
Also Published As
Publication number | Publication date |
---|---|
JPH0612169Y2 (en) | 1994-03-30 |
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