JPH0475124U - - Google Patents
Info
- Publication number
- JPH0475124U JPH0475124U JP11880890U JP11880890U JPH0475124U JP H0475124 U JPH0475124 U JP H0475124U JP 11880890 U JP11880890 U JP 11880890U JP 11880890 U JP11880890 U JP 11880890U JP H0475124 U JPH0475124 U JP H0475124U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- catalytic converter
- temperature
- temperature sensor
- inflow
- 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
- 230000003197 catalytic effect Effects 0.000 claims description 8
- 230000004913 activation Effects 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
Landscapes
- Exhaust Gas After Treatment (AREA)
Description
第１図および第２図はこの考案の一実施例を示
すもので、第１図はデイーゼルエンジンの排気ガ
ス処理装置の要部構成を示す概略構成図、第２図
は開閉弁の動作を説明するためのフローチヤート
、第３図は他の実施例の要部構成を示す概略構成
図、第４図は排気ガスの温度とＮＯｘ浄化用の触
媒コンバータによる排気ガスの転化率との関係を
示す特性図である。
１……排気ガス通路、３……触媒コンバータ、
６……バイパス通路、７……ガス流入制御手段、
９……温度センサ、８……コントローラ。
Figures 1 and 2 show an embodiment of this invention, with Figure 1 being a schematic diagram showing the main components of an exhaust gas treatment device for a diesel engine, and Figure 2 explaining the operation of the on-off valve. 3 is a schematic diagram showing the main structure of another embodiment, and FIG. 4 shows the relationship between the temperature of exhaust gas and the conversion rate of exhaust gas by the catalytic converter for NO x purification. FIG. 1...exhaust gas passage, 3...catalytic converter,
6... Bypass passage, 7... Gas inflow control means,
9...Temperature sensor, 8...Controller.
Claims (1)
バータと、 前記排気ガス通路に前記触媒コンバータと並列
に接続されたバイパス通路と、 前記触媒コンバータ内への排気ガスの流入を制
御するガス流入制御手段と、 前記排気ガス通路における前記触媒コンバータ
の上流側の排気ガス温度を検出する温度センサと
、 この温度センサからの検出温度にもとづいて前
記ガス流入制御手段を駆動し、前記温度センサか
らの検出温度が前記触媒コンバータによる排気ガ
スの浄化作用を得ることができる所定の活性化温
度範囲から外れた場合には前記触媒コンバータ内
への排気ガスの流入を遮断するコントローラと を具備したことを特徴とする排気ガス処理装置。[Claims for Utility Model Registration] A catalytic converter interposed in an exhaust gas passage of an engine; a bypass passage connected to the exhaust gas passage in parallel with the catalytic converter; and an inflow of exhaust gas into the catalytic converter. a temperature sensor for detecting exhaust gas temperature upstream of the catalytic converter in the exhaust gas passage; and driving the gas inflow control means based on the detected temperature from the temperature sensor; a controller that blocks the inflow of exhaust gas into the catalytic converter when the temperature detected by the temperature sensor is outside a predetermined activation temperature range in which the catalytic converter can obtain an exhaust gas purifying action; An exhaust gas treatment device characterized by comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11880890U JPH0475124U (en) | 1990-11-15 | 1990-11-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11880890U JPH0475124U (en) | 1990-11-15 | 1990-11-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0475124U true JPH0475124U (en) | 1992-06-30 |
Family
ID=31866774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11880890U Pending JPH0475124U (en) | 1990-11-15 | 1990-11-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0475124U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005083242A1 (en) * | 2004-03-02 | 2005-09-09 | Nissan Diesel Motor Co., Ltd. | Device for purifying exhaust gas of internal combustion engine and method for purifying exhaust gas |
| JP2005330940A (en) * | 2004-05-21 | 2005-12-02 | Toyota Motor Corp | Exhaust emission control system for internal combustion engine |
| CN103958843A (en) * | 2011-12-01 | 2014-07-30 | 优美科股份公司及两合公司 | Method for operating exhaust gas purification systems |
| FR3101112A1 (en) * | 2019-09-23 | 2021-03-26 | Psa Automobiles Sa | Thermal management method of an exhaust line depollution device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4840610B1 (en) * | 1968-12-23 | 1973-12-01 |
-
1990
- 1990-11-15 JP JP11880890U patent/JPH0475124U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4840610B1 (en) * | 1968-12-23 | 1973-12-01 |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005083242A1 (en) * | 2004-03-02 | 2005-09-09 | Nissan Diesel Motor Co., Ltd. | Device for purifying exhaust gas of internal combustion engine and method for purifying exhaust gas |
| JP2005330940A (en) * | 2004-05-21 | 2005-12-02 | Toyota Motor Corp | Exhaust emission control system for internal combustion engine |
| JP4507697B2 (en) * | 2004-05-21 | 2010-07-21 | トヨタ自動車株式会社 | Exhaust gas purification system for internal combustion engine |
| CN103958843A (en) * | 2011-12-01 | 2014-07-30 | 优美科股份公司及两合公司 | Method for operating exhaust gas purification systems |
| JP2015500935A (en) * | 2011-12-01 | 2015-01-08 | ユミコア・アクチエンゲゼルシャフト・ウント・コムパニー・コマンディットゲゼルシャフトＵｍｉｃｏｒｅ ＡＧ ＆ Ｃｏ．ＫＧ | Operation method of exhaust gas purification system |
| FR3101112A1 (en) * | 2019-09-23 | 2021-03-26 | Psa Automobiles Sa | Thermal management method of an exhaust line depollution device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0475124U (en) | ||
| JPH0476923U (en) | ||
| JPH0561418U (en) | Exhaust gas treatment device | |
| JPH03119518U (en) | ||
| JPH0317113U (en) | ||
| JPH0191019U (en) | ||
| JPH0115855Y2 (en) | ||
| JPH0250147U (en) | ||
| JPH0387910U (en) | ||
| JPS62160722U (en) | ||
| JPH0319420U (en) | ||
| JPS62119415U (en) | ||
| JPS637227U (en) | ||
| JPH0267020U (en) | ||
| JPS6398424U (en) | ||
| JPH02105511U (en) | ||
| JPS63100622U (en) | ||
| JPH01124022U (en) | ||
| JPS62124212U (en) | ||
| JPH01113119U (en) | ||
| JPS6354812U (en) | ||
| JPS61202620U (en) | ||
| JPS5964421U (en) | Diesel engine exhaust gas purification device | |
| JPH0383316U (en) | ||
| JPH02119918U (en) |