JPH0219818U - - Google Patents
Info
- Publication number
- JPH0219818U JPH0219818U JP9729988U JP9729988U JPH0219818U JP H0219818 U JPH0219818 U JP H0219818U JP 9729988 U JP9729988 U JP 9729988U JP 9729988 U JP9729988 U JP 9729988U JP H0219818 U JPH0219818 U JP H0219818U
- Authority
- JP
- Japan
- Prior art keywords
- catalyst
- exhaust gas
- exhaust
- normal
- 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.)
- Pending
Links
- 239000003054 catalyst Substances 0.000 claims description 16
- 238000002485 combustion reaction Methods 0.000 claims 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims 2
- 238000000746 purification Methods 0.000 claims 2
- 229910052697 platinum Inorganic materials 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Exhaust Gas After Treatment (AREA)
Description
第１図はこの考案の一実施例の低温触媒を使用
する場合の説明図を示し、第２図は分割触媒の場
合の説明図を示す。
１…低温触媒、２…通常触媒、１１…排気ダク
ト、１２…開閉弁、１３…分割触媒、１４…分割
触媒。
FIG. 1 shows an explanatory diagram in the case of using a low-temperature catalyst according to an embodiment of this invention, and FIG. 2 shows an explanatory diagram in the case of using a divided catalyst. 1...Low temperature catalyst, 2...Normal catalyst, 11...Exhaust duct, 12...Opening/closing valve, 13...Divided catalyst, 14...Divided catalyst.
Claims (1)
常触媒の前に、白金等からなる小容量の低温触媒
を前置して、排気ガスの流れに対して直列になる
ように前記通常触媒と接続して配設したことを特
徴とする触媒。 (2) 内燃機関の排気ガス浄化触媒において、排
気ガス入口部に２分割したガス通路を有する排気
ダクトと、前記排気ダクトの一方の通路に挿設さ
れた開閉弁と、前記排気ダクトの各々に接続され
た分割触媒とによつて構成したことを特徴とする
触媒。[Scope of Claim for Utility Model Registration] (1) In an exhaust gas purification catalyst for an internal combustion engine, a small-capacity low-temperature catalyst made of platinum or the like is placed in front of the normal catalyst in series with the flow of exhaust gas. A catalyst characterized in that the catalyst is connected to the normal catalyst and arranged so as to be connected to the normal catalyst. (2) In an exhaust gas purification catalyst for an internal combustion engine, an exhaust duct having a gas passage divided into two at the exhaust gas inlet, an on-off valve inserted in one passage of the exhaust duct, and an on-off valve installed in each of the exhaust ducts. A catalyst characterized in that it is constituted by a connected divided catalyst.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9729988U JPH0219818U (en) | 1988-07-25 | 1988-07-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9729988U JPH0219818U (en) | 1988-07-25 | 1988-07-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0219818U true JPH0219818U (en) | 1990-02-09 |
Family
ID=31322640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9729988U Pending JPH0219818U (en) | 1988-07-25 | 1988-07-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0219818U (en) |
-
1988
- 1988-07-25 JP JP9729988U patent/JPH0219818U/ja active Pending
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