JPH0166419U - - Google Patents
Info
- Publication number
- JPH0166419U JPH0166419U JP1987161909U JP16190987U JPH0166419U JP H0166419 U JPH0166419 U JP H0166419U JP 1987161909 U JP1987161909 U JP 1987161909U JP 16190987 U JP16190987 U JP 16190987U JP H0166419 U JPH0166419 U JP H0166419U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- passage
- catalytic converter
- branch
- exhaust
- 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
- 230000003197 catalytic effect Effects 0.000 claims description 5
- 238000000746 purification Methods 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Exhaust Gas After Treatment (AREA)
Description
第１図は、本考案の実施例によるエンジンの排
気ガス浄化装置を示す平面図、第２図は、上記エ
ンジンの排気ガス浄化装置における低温時の排気
ガスの流れを示す模式図、第３図は、上記エンジ
ンの排気ガス浄化装置における高温時の排気ガス
の流れを示す模式図である。
１……排気通路、３……主分岐通路、４……副
分岐通路、４，５……触媒コンバータ、７……連
通路、８……開閉弁、９……切換弁。
FIG. 1 is a plan view showing an engine exhaust gas purification device according to an embodiment of the present invention, FIG. 2 is a schematic diagram showing the flow of exhaust gas at low temperatures in the engine exhaust gas purification device, and FIG. FIG. 2 is a schematic diagram showing the flow of exhaust gas at high temperature in the exhaust gas purification device for the engine. 1...Exhaust passage, 3...Main branch passage, 4...Sub branch passage, 4, 5...Catalytic converter, 7...Communication passage, 8...Opening/closing valve, 9...Switching valve.
Claims (1)
分岐通路、これらの２つの分岐通路のそれぞれに
設けられた触媒コンバータ、一方の分岐通路の触
媒コンバータ下流と、他方の分岐通路の触媒コン
バータ上流とを連通する連通路、排気ガス温度が
所定値以下のときに、排気通路から前記他方の分
岐通路への排気ガスの流入を制限する第１弁、お
よび前記一方の分岐通路の前記連通路の連通部分
に配置され、排気ガス温度が所定値以下のときに
、前記連通路と一方の分岐通路の一方のみに触媒
コンバータからの排気ガスを流通させる第２弁を
備えたことを特徴とするエンジンの排気ガス浄化
装置。 Two branch passages formed by branching an exhaust passage into two, a catalytic converter provided in each of these two branch passages, a catalytic converter downstream of one branch passage, and a catalytic converter upstream of the other branch passage. a first valve that restricts the inflow of exhaust gas from the exhaust passage to the other branch passage when the exhaust gas temperature is below a predetermined value; An engine characterized by comprising a second valve disposed in a communicating part and allowing exhaust gas from the catalytic converter to flow through only one of the communicating passage and one branch passage when the exhaust gas temperature is below a predetermined value. Exhaust gas purification device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16190987U JPH0526245Y2 (en) | 1987-10-22 | 1987-10-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16190987U JPH0526245Y2 (en) | 1987-10-22 | 1987-10-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0166419U true JPH0166419U (en) | 1989-04-27 |
| JPH0526245Y2 JPH0526245Y2 (en) | 1993-07-02 |
Family
ID=31445259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16190987U Expired - Lifetime JPH0526245Y2 (en) | 1987-10-22 | 1987-10-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0526245Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04132424U (en) * | 1991-05-30 | 1992-12-08 | スズキ株式会社 | catalytic converter |
-
1987
- 1987-10-22 JP JP16190987U patent/JPH0526245Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04132424U (en) * | 1991-05-30 | 1992-12-08 | スズキ株式会社 | catalytic converter |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0526245Y2 (en) | 1993-07-02 |