JPS6229416U - - Google Patents
Info
- Publication number
- JPS6229416U JPS6229416U JP12209785U JP12209785U JPS6229416U JP S6229416 U JPS6229416 U JP S6229416U JP 12209785 U JP12209785 U JP 12209785U JP 12209785 U JP12209785 U JP 12209785U JP S6229416 U JPS6229416 U JP S6229416U
- Authority
- JP
- Japan
- Prior art keywords
- catalytic converter
- exhaust gas
- opening ratio
- cell opening
- monolithic catalytic
- 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 10
- 238000000746 purification Methods 0.000 claims description 2
- 239000003054 catalyst Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案による内燃機関の触媒式排気ガ
ス浄化装置の一つの実施例を示す概略構成図、第
２図及び第３図は各々本考案による触媒式排気ガ
ス浄化装置の第一のモノリス触媒コンバータに組
込まれるモノリス触媒の実施例を示す概略斜視図
である。
１……内燃機関、２……排気マニホールド、３
……出口端部、４……第一のモノリス触媒コンバ
ータ、５……入口端部、６……出口端部、７……
前部排気管、８……第二のモノリス触媒コンバー
タ、９……入口端部、１０……出口端部、１１…
…後部排気管、１２……ケース、１３……モノリ
ス触媒、１４……連通孔、１５……ケース、１６
……モノリス触媒。
FIG. 1 is a schematic configuration diagram showing one embodiment of the catalytic exhaust gas purification device for an internal combustion engine according to the present invention, and FIGS. 2 and 3 are a first monolithic diagram of the catalytic exhaust gas purifying device according to the present invention FIG. 1 is a schematic perspective view showing an example of a monolith catalyst incorporated into a catalytic converter. 1...Internal combustion engine, 2...Exhaust manifold, 3
... Outlet end, 4... First monolith catalytic converter, 5... Inlet end, 6... Outlet end, 7...
Front exhaust pipe, 8... second monolith catalytic converter, 9... inlet end, 10... outlet end, 11...
... Rear exhaust pipe, 12 ... Case, 13 ... Monolith catalyst, 14 ... Communication hole, 15 ... Case, 16
...Monolith catalyst.
Claims (1)
見て排気ガス流速が速い領域は排気ガス流速が遅
い領域に比して大きいセル開口率を有している第
一のモノリス触媒コンバータと、排気通路の前記
第一のモノリス触媒コンバータより下流側に設け
られ前記第一のモノリス触媒コンバータのセル開
口率より小さいセル開口率をもつて構成された第
二のモノリス触媒コンバータとを有している内燃
機関の触媒式排気ガス浄化装置。 A first monolithic catalytic converter is provided in the middle of the exhaust passage and has a cell opening ratio larger in a region where the exhaust gas flow velocity is higher than in a region where the exhaust gas flow velocity is slower when viewed in the cross section of one passage; a second monolithic catalytic converter located downstream of the first monolithic catalytic converter in the passageway and configured to have a cell opening ratio smaller than the cell opening ratio of the first monolithic catalytic converter. Catalytic exhaust gas purification device for engines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985122097U JPH0437223Y2 (en) | 1985-08-08 | 1985-08-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985122097U JPH0437223Y2 (en) | 1985-08-08 | 1985-08-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6229416U true JPS6229416U (en) | 1987-02-23 |
| JPH0437223Y2 JPH0437223Y2 (en) | 1992-09-02 |
Family
ID=31011974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985122097U Expired JPH0437223Y2 (en) | 1985-08-08 | 1985-08-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0437223Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55155742A (en) * | 1979-05-22 | 1980-12-04 | Ngk Spark Plug Co Ltd | High strength honeycomb structure |
| JPS5975507U (en) * | 1982-11-12 | 1984-05-22 | 小型ガス冷房技術研究組合 | Catalytic combustion treatment device for engine exhaust gas |
-
1985
- 1985-08-08 JP JP1985122097U patent/JPH0437223Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55155742A (en) * | 1979-05-22 | 1980-12-04 | Ngk Spark Plug Co Ltd | High strength honeycomb structure |
| JPS5975507U (en) * | 1982-11-12 | 1984-05-22 | 小型ガス冷房技術研究組合 | Catalytic combustion treatment device for engine exhaust gas |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0437223Y2 (en) | 1992-09-02 |