JPH0231334U - - Google Patents
Info
- Publication number
- JPH0231334U JPH0231334U JP10999188U JP10999188U JPH0231334U JP H0231334 U JPH0231334 U JP H0231334U JP 10999188 U JP10999188 U JP 10999188U JP 10999188 U JP10999188 U JP 10999188U JP H0231334 U JPH0231334 U JP H0231334U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust
- catalytic converter
- exhaust gas
- internal combustion
- combustion engine
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 238000000746 purification Methods 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Exhaust Gas After Treatment (AREA)
Description
第１図は本考案の基本原理を示す図、第２図は
本考案に係る内燃機関の排気ガス浄化装置の第１
の実施例を示す全体概略構成図、第３図は第２図
の第１及び第２制御弁の異なる形式を示す要部構
成図、第４図は本考案に係る内燃機関の排気ガス
浄化装置の第２の実施例を示す全体概略構成図で
ある。
１，２…触媒コンバータ、３，４…排気系、５
…小容量の触媒コンバータ、６…接続通路、７…
弁装置。
Fig. 1 is a diagram showing the basic principle of the present invention, and Fig. 2 is a diagram showing the first embodiment of the exhaust gas purification device for an internal combustion engine according to the present invention.
FIG. 3 is a schematic diagram of the main part showing different types of the first and second control valves in FIG. 2, and FIG. 4 is an exhaust gas purification device for an internal combustion engine according to the present invention. FIG. 2 is an overall schematic configuration diagram showing a second embodiment of the present invention. 1, 2...Catalytic converter, 3, 4...Exhaust system, 5
...Small capacity catalytic converter, 6...Connection passage, 7...
Valve device.
Claims (1)
えた２つの排気系を有する内燃機関において、該
触媒コンバータの上流側で、小容量の触媒コンバ
ータが設けられた少なくとも１つの接続通路を介
して両排気系を相互に連結すると共に、該接続通
路より下流側の少なくとも一方の排気系に弁装置
を設け、該弁装置の作動により機関冷間時のみ所
定期間、一方の排気系の排気ガスを該接続通路を
通つて他方の排気系に流入させるようにしたこと
を特徴とする内燃機関の排気ガス浄化装置。 In an internal combustion engine with two exhaust systems each having at least one catalytic converter, the two exhaust systems can be interconnected upstream of the catalytic converter via at least one connecting channel provided with a small-capacity catalytic converter. At the same time, a valve device is provided in at least one exhaust system on the downstream side of the connecting passage, and the operation of the valve device allows exhaust gas from one exhaust system to pass through the connecting passage for a predetermined period only when the engine is cold. An exhaust gas purification device for an internal combustion engine, characterized in that the exhaust gas is caused to flow into the other exhaust system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10999188U JPH0610131Y2 (en) | 1988-08-24 | 1988-08-24 | Exhaust gas purification device for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10999188U JPH0610131Y2 (en) | 1988-08-24 | 1988-08-24 | Exhaust gas purification device for internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0231334U true JPH0231334U (en) | 1990-02-27 |
| JPH0610131Y2 JPH0610131Y2 (en) | 1994-03-16 |
Family
ID=31346743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10999188U Expired - Lifetime JPH0610131Y2 (en) | 1988-08-24 | 1988-08-24 | Exhaust gas purification device for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0610131Y2 (en) |
-
1988
- 1988-08-24 JP JP10999188U patent/JPH0610131Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0610131Y2 (en) | 1994-03-16 |
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