JPS6439416U - - Google Patents
Info
- Publication number
- JPS6439416U JPS6439416U JP1987134566U JP13456687U JPS6439416U JP S6439416 U JPS6439416 U JP S6439416U JP 1987134566 U JP1987134566 U JP 1987134566U JP 13456687 U JP13456687 U JP 13456687U JP S6439416 U JPS6439416 U JP S6439416U
- Authority
- JP
- Japan
- Prior art keywords
- passage
- exhaust gas
- oxygen sensor
- gas purification
- catalytic converter
- 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
- 239000007789 gas Substances 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 238000000746 purification Methods 0.000 claims description 5
- 230000003197 catalytic effect Effects 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 claims 2
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Exhaust Gas After Treatment (AREA)
- Exhaust Silencers (AREA)
Description
第１図は本考案の一実施例に係る排気ガス浄化
装置の要部断面図、第２図は第１図の装置が搭載
されるエンジンの正面図、第３図は第２図の―
線に沿う断面図、第４図は第１図の装置を用い
て浄化された排気ガス中に含まれるＣＯとＮＯｘ
との関係図、第５図は従来装置を用いて浄化され
た排気ガス中に含まれるＣＯとＮＯｘとの関係図
、である。
１１……排気マニホルド、１２……触媒コンバ
ータ、１３……酸素センサ、１４……触媒担体、
２５……第１の通路、２６……第２の通路、２８
……リターン通路、２８ａ……壁面。
Fig. 1 is a sectional view of essential parts of an exhaust gas purification device according to an embodiment of the present invention, Fig. 2 is a front view of an engine in which the device of Fig. 1 is installed, and Fig. 3 is a sectional view of the main part of an exhaust gas purification device according to an embodiment of the present invention.
A cross-sectional view along the line, Figure 4 shows the CO and NOx contained in the exhaust gas purified using the device in Figure 1.
FIG. 5 is a diagram showing the relationship between CO and NOx contained in exhaust gas purified using the conventional device. 11... Exhaust manifold, 12... Catalytic converter, 13... Oxygen sensor, 14... Catalyst carrier,
25...first passage, 26...second passage, 28
...Return passage, 28a...Wall surface.
Claims (1)
とともに、該排気系に酸素センサを配設し、該酸
素センサから出力される電気信号に基づいて排気
ガスの浄化制御を行なう排気ガス浄化装置におい
て、前記触媒コンバータ内に収納される触媒担体
内に、排気ガスの流路となる第１の通路と第２の
通路とを並設し、該第１の通路の下流側と第２の
通路の上流側とを湾曲したリターン通路を介して
接続し、該リターン通路における第２の通路の直
上流に、前記酸素センサを配置したことを特徴と
する排気ガス浄化装置。 In an exhaust gas purification device that includes a catalytic converter installed in the exhaust system of an internal combustion engine, an oxygen sensor disposed in the exhaust system, and performs exhaust gas purification control based on an electrical signal output from the oxygen sensor, A first passage and a second passage, which serve as exhaust gas flow paths, are arranged in parallel in the catalyst carrier housed in the catalytic converter, and the downstream side of the first passage and the upstream side of the second passage are arranged in parallel. 1. An exhaust gas purification device characterized in that the oxygen sensor is connected to the second passage through a curved return passage, and the oxygen sensor is disposed immediately upstream of the second passage in the return passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987134566U JPS6439416U (en) | 1987-09-04 | 1987-09-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987134566U JPS6439416U (en) | 1987-09-04 | 1987-09-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6439416U true JPS6439416U (en) | 1989-03-09 |
Family
ID=31393439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987134566U Pending JPS6439416U (en) | 1987-09-04 | 1987-09-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6439416U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009234500A (en) * | 2008-03-28 | 2009-10-15 | Mazda Motor Corp | Power train arrangement structure of vehicle |
-
1987
- 1987-09-04 JP JP1987134566U patent/JPS6439416U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009234500A (en) * | 2008-03-28 | 2009-10-15 | Mazda Motor Corp | Power train arrangement structure of vehicle |