JPH0180619U - - Google Patents
Info
- Publication number
- JPH0180619U JPH0180619U JP1987177005U JP17700587U JPH0180619U JP H0180619 U JPH0180619 U JP H0180619U JP 1987177005 U JP1987177005 U JP 1987177005U JP 17700587 U JP17700587 U JP 17700587U JP H0180619 U JPH0180619 U JP H0180619U
- Authority
- JP
- Japan
- Prior art keywords
- catalyst
- combustion engine
- internal combustion
- exhaust gas
- purifying 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.)
- Pending
Links
- 239000003054 catalyst Substances 0.000 claims description 24
- 238000002485 combustion reaction Methods 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 230000001133 acceleration Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
Landscapes
- Exhaust Gas After Treatment (AREA)
Description
第１図ないし第４図は、本考案にかかる内燃機
関の排気ガス浄化用触媒装置の実施例を説明する
ための図面であり、第１図は、触媒装置の概略構
成図、第２図は、チヤンバー容積に対する加速時
における触媒入ガス温度の変化を示すグラフ、第
３図は、チヤンバー容積に対する加速時における
チヤンバー内圧力の変化を示すグラフ、そして、
第４図は、チヤバー容積に対する加速時における
浄化性能を示すグラフである。
１０…触媒装置、１６…触媒容器、１６ｂ…チ
ヤンバー、１８…モノリス型触媒、２０…別の触
媒（メタル担体触媒）。
1 to 4 are drawings for explaining an embodiment of a catalyst device for purifying exhaust gas of an internal combustion engine according to the present invention, FIG. 1 is a schematic configuration diagram of the catalyst device, and FIG. , a graph showing changes in catalyst inlet gas temperature during acceleration with respect to chamber volume, FIG. 3 is a graph showing changes in chamber internal pressure during acceleration with respect to chamber volume, and
FIG. 4 is a graph showing purification performance during acceleration versus chamber volume. DESCRIPTION OF SYMBOLS 10... Catalyst device, 16... Catalyst container, 16b... Chamber, 18... Monolith type catalyst, 20... Another catalyst (metal carrier catalyst).
Claims (1)
触媒を収納する触媒容器を備えてなり、排気系を
流通する排気ガスを浄化するための触媒装置であ
つて、 該触媒容器は、モノリス型触媒の上流側にモノ
リス型触媒の流路方向の横断面積の１００〜１５
０％の大きさの断面積を有しモノリス型触媒の触
媒容積に対して５０〜１５０％の空間容積を有す
るチヤンバーが設けられており、該チヤンバーの
内面には、別の触媒が付設されていることを特徴
とする内燃機関の排気ガス浄化用触媒装置。 (2) 実用新案請求の範囲第１項における別の触
媒がメタル担体触媒からなることを特徴とする内
燃機関の排気ガス浄化用触媒装置。 (3) 実用新案請求の範囲第１項における別の触
媒が酸化触媒であることを特徴とする内燃機関の
排気ガス浄化用触媒装置。[Scope of Claim for Utility Model Registration] (1) A catalyst device installed in the exhaust system of an internal combustion engine, comprising a catalyst container housing a monolith catalyst, for purifying exhaust gas flowing through the exhaust system. , The catalyst container has a cross-sectional area of 100 to 15% of the cross-sectional area of the monolithic catalyst in the flow path direction on the upstream side of the monolithic catalyst.
A chamber is provided with a cross-sectional area of 0% and a space volume of 50 to 150% with respect to the catalyst volume of the monolithic catalyst, and another catalyst is attached to the inner surface of the chamber. A catalyst device for purifying exhaust gas of an internal combustion engine, characterized in that: (2) A catalyst device for purifying exhaust gas of an internal combustion engine, characterized in that the other catalyst in claim 1 of the utility model comprises a metal carrier catalyst. (3) A catalyst device for purifying exhaust gas of an internal combustion engine, characterized in that the other catalyst in claim 1 of the utility model is an oxidation catalyst.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987177005U JPH0180619U (en) | 1987-11-19 | 1987-11-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987177005U JPH0180619U (en) | 1987-11-19 | 1987-11-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0180619U true JPH0180619U (en) | 1989-05-30 |
Family
ID=31468694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987177005U Pending JPH0180619U (en) | 1987-11-19 | 1987-11-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0180619U (en) |
-
1987
- 1987-11-19 JP JP1987177005U patent/JPH0180619U/ja active Pending
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