JPS62725U - - Google Patents
Info
- Publication number
- JPS62725U JPS62725U JP9245285U JP9245285U JPS62725U JP S62725 U JPS62725 U JP S62725U JP 9245285 U JP9245285 U JP 9245285U JP 9245285 U JP9245285 U JP 9245285U JP S62725 U JPS62725 U JP S62725U
- Authority
- JP
- Japan
- Prior art keywords
- trap filter
- metal catalyst
- exhaust gas
- particulate trap
- side wall
- 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 6
- 239000010953 base metal Substances 0.000 claims description 4
- 229910000510 noble metal Inorganic materials 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000010970 precious metal Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
Description
第１図は本考案の実施例に係る触媒担持パーテ
イキユレイトトラツプフイルタの縦断面図、第２
図は同触媒担持パーテイキユレイトトラツプフイ
ルタの要旨を示す縦断面図、第３図は卑金属系触
媒を担持した場合のパーテイキユレイトの燃焼温
度の変化を示す図、第４図は貴金属系触媒を担持
した場合のＣＯ濃度の変化を示す図、第５図は従
来のパーテイキユレイトトラツプフイルタの構成
図、第６図は同パーテイキユレイトトラツプフイ
ルタの要旨を示す断面図、第７図はパーテイキユ
レイトトラツプフイルタを再生する時のＣＯ濃度
の変化を示す図である。
１……パーテイキユレイトトラツプフイルタ、
２……開口部、３……閉塞部、４……セル、５…
…セル側壁、５ａ……排気ガス流入面、５ｂ……
排気ガス流出面、６……卑金属系触媒層、７……
貴金属系触媒層。
FIG. 1 is a longitudinal cross-sectional view of a catalyst-supported particulate trap filter according to an embodiment of the present invention, and FIG.
The figure is a longitudinal cross-sectional view showing the gist of the catalyst-supported particulate trap filter, Figure 3 is a diagram showing the change in combustion temperature of particulate when a base metal catalyst is supported, and Figure 4 is a diagram showing the change in combustion temperature of particulate when a base metal catalyst is supported. 5 is a diagram showing the configuration of a conventional particulate trap filter, FIG. 6 is a sectional view showing the gist of the particulate trap filter, and FIG. FIG. 2 is a diagram showing changes in CO concentration when regenerating a particulate trap filter. 1...Party clean trap filter,
2...Opening portion, 3...Closing portion, 4...Cell, 5...
...Cell side wall, 5a...Exhaust gas inflow surface, 5b...
Exhaust gas outflow surface, 6... base metal catalyst layer, 7...
Precious metal catalyst layer.
Claims (1)
隣接するセルの側壁が通気性を有するパーテイキ
ユレイトトラツプフイルタにおいて、セル側壁の
排気ガス流入面上には卑金属系触媒層が形成され
ると共にセル側壁の排気ガス流出面上には貴金属
系触媒層が形成されていることを特徴とする触媒
担持パーテイキユレイトトラツプフイルタ。 In a particulate trap filter that is composed of a plurality of cells having openings and closing parts, and the side walls of adjacent cells are air permeable, a base metal catalyst layer is formed on the exhaust gas inflow surface of the cell side wall. A catalyst-supported particulate trap filter characterized in that a noble metal catalyst layer is formed on the exhaust gas outflow surface of the cell side wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9245285U JPS62725U (en) | 1985-06-19 | 1985-06-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9245285U JPS62725U (en) | 1985-06-19 | 1985-06-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62725U true JPS62725U (en) | 1987-01-06 |
Family
ID=30649262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9245285U Pending JPS62725U (en) | 1985-06-19 | 1985-06-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62725U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56148607A (en) * | 1980-04-18 | 1981-11-18 | Enukoa:Kk | Exhaust gas filter for diesel engine |
| JPS588708B2 (en) * | 1977-05-13 | 1983-02-17 | ユニオン・カ−バイド・コ−ポレ−シヨン | Single package zinc-rich coating |
-
1985
- 1985-06-19 JP JP9245285U patent/JPS62725U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS588708B2 (en) * | 1977-05-13 | 1983-02-17 | ユニオン・カ−バイド・コ−ポレ−シヨン | Single package zinc-rich coating |
| JPS56148607A (en) * | 1980-04-18 | 1981-11-18 | Enukoa:Kk | Exhaust gas filter for diesel engine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS62725U (en) | ||
| JPS62179318U (en) | ||
| JPH01111121U (en) | ||
| JPS63122615U (en) | ||
| JPS61200409U (en) | ||
| JPS6343632U (en) | ||
| JPH02105510U (en) | ||
| JPS61178016U (en) | ||
| JPS6147420U (en) | Honeycomb filter for collecting diesel particulate matter | |
| JPH0287922U (en) | ||
| JPS6456828U (en) | ||
| JPS6393413U (en) | ||
| JPS6295724U (en) | ||
| JPH048716U (en) | ||
| JPH048717U (en) | ||
| JPS61108821U (en) | ||
| JPS6220639U (en) | ||
| JPH0231328U (en) | ||
| JPS62197717U (en) | ||
| JPH01111918U (en) | ||
| JPH023011U (en) | ||
| JPH0421716U (en) | ||
| JPH0231330U (en) | ||
| JPH027441U (en) | ||
| JPS61175523U (en) |