JPS6231710U - - Google Patents
Info
- Publication number
- JPS6231710U JPS6231710U JP12150385U JP12150385U JPS6231710U JP S6231710 U JPS6231710 U JP S6231710U JP 12150385 U JP12150385 U JP 12150385U JP 12150385 U JP12150385 U JP 12150385U JP S6231710 U JPS6231710 U JP S6231710U
- Authority
- JP
- Japan
- Prior art keywords
- trap
- exhaust
- exhaust gas
- catalytic
- catalyst
- 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
- 239000003054 catalyst Substances 0.000 claims description 5
- 230000003197 catalytic effect Effects 0.000 claims 5
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Exhaust Silencers (AREA)
- Exhaust Gas After Treatment (AREA)
Description
第１図は本考案のクレーム対応図、第２図は本
考案の一実施例を示す構成図、第３図は同上のフ
ローチヤート、第４図は機関回転速度、機関負荷
及び排気温度の関係を示す図、第５図は排気微粒
子処理装置の従来例を示す構成図、第６図は排気
温度と排気微粒子排出量との関係を示す図である
。
２…排気通路、１２…回転速度センサ、１４…
負荷センサ、２１…第１触媒付トラツプ、２２…
排気バイパス通路、２３…第２触媒付トラツプ、
２４…開閉弁、２５…ダイアフラム式アクチユエ
ータ、２６…制御装置。
Fig. 1 is a diagram corresponding to claims of the present invention, Fig. 2 is a configuration diagram showing an embodiment of the present invention, Fig. 3 is a flowchart of the same as above, and Fig. 4 is a relationship among engine speed, engine load, and exhaust temperature. FIG. 5 is a block diagram showing a conventional example of an exhaust particulate treatment device, and FIG. 6 is a diagram showing the relationship between exhaust temperature and exhaust particulate discharge amount. 2...Exhaust passage, 12...Rotational speed sensor, 14...
Load sensor, 21... Trap with first catalyst, 22...
Exhaust bypass passage, 23... trap with second catalyst,
24...Opening/closing valve, 25...Diaphragm type actuator, 26...Control device.
Claims (1)
集する第１触媒付トラツプと、該第１触媒付トラ
ツプをバイパスする排気バイパス通路と、該排気
バイパス通路に介装され排気中の微粒子を捕集す
る第２触媒付トラツプと、機関運転状態を検出す
る機関運転状態検出手段と、該機関運転状態検出
手段が排気温度が所定値以上となる運転状態を検
出したときに前記第１触媒付トラツプと第２触媒
付トラツプとの両方に排気を流通させる一方、そ
れ以外の運転状態では第１触媒付トラツプと第２
触媒付トラツプの一方に排気を流通させるように
前記排気通路と排気バイパス通路とを開・閉路す
る弁装置と、を備えてなる内燃機関の排気微粒子
処理装置。 A trap with a first catalyst installed in an exhaust passage of an engine to collect particulates in the exhaust gas, an exhaust bypass passage that bypasses the first trap with a catalyst, and a trap installed in the exhaust bypass passage to collect particulates in the exhaust gas. a second catalytic trap for collecting gas; an engine operating state detecting means for detecting an engine operating state; and a second catalytic trap for collecting exhaust gas; Exhaust gas flows through both the trap and the second catalytic trap, while in other operating conditions the exhaust gas flows through both the first catalytic trap and the second catalytic trap.
An exhaust particulate treatment device for an internal combustion engine, comprising a valve device that opens and closes the exhaust passage and the exhaust bypass passage so that exhaust gas flows through one of the traps with a catalyst.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12150385U JPH0330571Y2 (en) | 1985-08-09 | 1985-08-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12150385U JPH0330571Y2 (en) | 1985-08-09 | 1985-08-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6231710U true JPS6231710U (en) | 1987-02-25 |
| JPH0330571Y2 JPH0330571Y2 (en) | 1991-06-27 |
Family
ID=31010837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12150385U Expired JPH0330571Y2 (en) | 1985-08-09 | 1985-08-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0330571Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63132819U (en) * | 1987-02-20 | 1988-08-30 | ||
| JP2005069238A (en) * | 2004-12-13 | 2005-03-17 | Akio Ishida | Exhaust emission control system for engine |
-
1985
- 1985-08-09 JP JP12150385U patent/JPH0330571Y2/ja not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63132819U (en) * | 1987-02-20 | 1988-08-30 | ||
| JP2005069238A (en) * | 2004-12-13 | 2005-03-17 | Akio Ishida | Exhaust emission control system for engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0330571Y2 (en) | 1991-06-27 |
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