JPS6371408U - - Google Patents
Info
- Publication number
- JPS6371408U JPS6371408U JP16495886U JP16495886U JPS6371408U JP S6371408 U JPS6371408 U JP S6371408U JP 16495886 U JP16495886 U JP 16495886U JP 16495886 U JP16495886 U JP 16495886U JP S6371408 U JPS6371408 U JP S6371408U
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- exhaust gas
- exhaust
- balance tube
- utility
- 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
- 239000003054 catalyst Substances 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 238000000746 purification Methods 0.000 claims 4
- 238000007789 sealing Methods 0.000 claims 2
- 239000000446 fuel Substances 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Landscapes
- Exhaust Silencers (AREA)
- Exhaust Gas After Treatment (AREA)
Description
第１図は本考案の一実施例を示す断面図、第２
図はバランスチユーブを示す斜視図、第３図は第
１図の―線に沿う断面図、第４図は第１図の
Ｏ２センサを有する排気系を示す平面図、第５図
は触媒の上流および下流における空燃比の時間的
変化を示すグラフである。
１５，１６……排気マニホルド、２０……排気
管、２１……第１管部、２２……第２管部、２４
……第１副触媒、２５……第２副触媒、２７……
主触媒、３１……第１Ｏ２センサ、３５……検出
部、４１……バランスチユーブ、４２，４３……
二股管。
Fig. 1 is a sectional view showing one embodiment of the present invention;
Figure 3 is a perspective view showing the balance tube, Figure 3 is a sectional view taken along the - line in Figure 1, Figure 4 is a plan view showing the exhaust system with the O 2 sensor in Figure 1, and Figure 5 is a view of the catalyst. 2 is a graph showing temporal changes in air-fuel ratio upstream and downstream. 15, 16...exhaust manifold, 20...exhaust pipe, 21...first pipe section, 22...second pipe section, 24
...First sub-catalyst, 25...Second sub-catalyst, 27...
Main catalyst, 31... First O 2 sensor, 35... Detection section, 41... Balance tube, 42, 43...
Bifurcated tube.
Claims (1)
および第２管部に分岐して形成される排気管と、
この排気管内に設けられた排気ガス浄化触媒と、
上記第１および第２管部を相互に連結するバラン
スチユーブと、このバランスチユーブ内に検出部
を臨ませた排気ガスセンサとを備え、上記バラン
スチユーブの第１および第２管部との連結部分は
、これらの管部に近づくほど管部の長さ方向に広
がることを特徴とする排気ガス浄化装置。 ２ バランスチユーブ内壁と排気ガスセンサの検
出部外周との間に、第１および第２管部間を遮断
するシール部材が設けられることを特徴とする実
用新案登録請求の範囲第１項記載の排気ガス浄化
装置。 ３ 検出部が第１および第２管部に対向する面に
ガス交換孔を有し、シール部材に接触する面に孔
を有しないことを特徴とする実用新案登録請求の
範囲第２項記載の排気ガス浄化装置。[Claims for Utility Model Registration] 1. The upstream portion connected to the exhaust manifold is the first
and an exhaust pipe formed by branching into a second pipe part;
An exhaust gas purification catalyst installed in this exhaust pipe,
It includes a balance tube that interconnects the first and second pipe sections, and an exhaust gas sensor that has a detection section facing inside the balance tube, and the connection section of the balance tube with the first and second pipe sections is provided. , an exhaust gas purification device characterized in that the closer to these pipe parts, the wider the pipe parts become in the length direction. 2. The exhaust gas according to claim 1 of the utility model registration claim, characterized in that a sealing member is provided between the inner wall of the balance tube and the outer periphery of the detection part of the exhaust gas sensor to isolate between the first and second pipe parts. Purification device. 3. A utility model according to claim 2, characterized in that the detection part has gas exchange holes on the surface facing the first and second pipe parts, and has no holes on the surface that contacts the sealing member. Exhaust gas purification device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16495886U JPS6371408U (en) | 1986-10-29 | 1986-10-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16495886U JPS6371408U (en) | 1986-10-29 | 1986-10-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6371408U true JPS6371408U (en) | 1988-05-13 |
Family
ID=31094551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16495886U Pending JPS6371408U (en) | 1986-10-29 | 1986-10-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6371408U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011021539A (en) * | 2009-07-15 | 2011-02-03 | Mitsubishi Motors Corp | Exhaust system structure for engine |
-
1986
- 1986-10-29 JP JP16495886U patent/JPS6371408U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011021539A (en) * | 2009-07-15 | 2011-02-03 | Mitsubishi Motors Corp | Exhaust system structure for engine |