JPS62723U - - Google Patents
Info
- Publication number
- JPS62723U JPS62723U JP9142985U JP9142985U JPS62723U JP S62723 U JPS62723 U JP S62723U JP 9142985 U JP9142985 U JP 9142985U JP 9142985 U JP9142985 U JP 9142985U JP S62723 U JPS62723 U JP S62723U
- Authority
- JP
- Japan
- Prior art keywords
- trap filter
- exhaust gas
- air introduction
- interposed
- passage
- 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
- 239000007789 gas Substances 0.000 claims 2
- 206010021143 Hypoxia Diseases 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 239000003054 catalyst Substances 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
Landscapes
- Exhaust Gas After Treatment (AREA)
Description
第１図は本考案に係わる内燃機関のパーテイキ
ユレイトトラツプフイルタ装置の一実施例を示す
概略図、第２図は同上装置の作用を説明するフロ
ーチヤート、第３図は同上装置の作動時における
酸素濃度の状態を表すグラフ、第４図は他の実施
例を示す概略図、第５図は同上装置の作用を説明
するフローチヤート、第６図は同上装置の作動時
における酸素濃度及び排気温度の状態を表すグラ
フ、第７図は更に他の実施例を示す概略図、第８
図は同上装置の作用を説明するフローチヤート、
第９図は従来装置の一例を示す概略図である。
１……排気通路、２……トラツプフイルタ、３
……空気導入通路、４……ポンプ、５……酸素セ
ンサ、６，１６，２６……制御回路、７……温度
センサ、８……エンジン回転数センサ、９……エ
ンジン負荷センサ。
Fig. 1 is a schematic diagram showing an embodiment of a particulate trap filter device for an internal combustion engine according to the present invention, Fig. 2 is a flowchart explaining the operation of the above device, and Fig. 3 is a diagram showing the operation of the above device. FIG. 4 is a schematic diagram showing another embodiment, FIG. 5 is a flowchart explaining the operation of the above device, and FIG. 6 is a graph showing the oxygen concentration and exhaust gas during operation of the same device. Graph showing the temperature state; FIG. 7 is a schematic diagram showing still another embodiment; FIG.
The figure is a flowchart explaining the operation of the same device.
FIG. 9 is a schematic diagram showing an example of a conventional device. 1... Exhaust passage, 2... Trap filter, 3
... Air introduction passage, 4 ... Pump, 5 ... Oxygen sensor, 6, 16, 26 ... Control circuit, 7 ... Temperature sensor, 8 ... Engine speed sensor, 9 ... Engine load sensor.
Claims (1)
トラツプフイルタであつて触媒を担持させてなる
トラツプフイルタを介装して備え、前記トラツプ
フイルタの上流側排気通路中に排気の酸素濃度を
高めるための空気を導入する空気導入通路と、該
空気導入通路に介装されたポンプと、排気中の酸
素不足状態を検出する手段と、該検出手段からの
信号に基づいて前記ポンプを駆動制御する手段と
を設けたことを特徴とする内燃機関のパーテイキ
ユレイトトラツプフイルタ装置。 A trap filter for collecting particulates and carrying a catalyst is interposed in the exhaust passage, and air is introduced into the exhaust passage upstream of the trap filter to increase the oxygen concentration of the exhaust gas. the air introduction passage, a pump interposed in the air introduction passage, means for detecting an oxygen deficiency state in exhaust gas, and means for driving and controlling the pump based on a signal from the detection means. A particulate trap filter device for an internal combustion engine, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985091429U JPH053694Y2 (en) | 1985-06-19 | 1985-06-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985091429U JPH053694Y2 (en) | 1985-06-19 | 1985-06-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62723U true JPS62723U (en) | 1987-01-06 |
| JPH053694Y2 JPH053694Y2 (en) | 1993-01-28 |
Family
ID=30647305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985091429U Expired - Lifetime JPH053694Y2 (en) | 1985-06-19 | 1985-06-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH053694Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003314245A (en) * | 2002-04-24 | 2003-11-06 | Toyota Motor Corp | Exhaust gas purification device for internal combustion engine |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59148414U (en) * | 1983-03-26 | 1984-10-04 | トヨタ自動車株式会社 | Internal combustion engine exhaust gas purification device |
-
1985
- 1985-06-19 JP JP1985091429U patent/JPH053694Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59148414U (en) * | 1983-03-26 | 1984-10-04 | トヨタ自動車株式会社 | Internal combustion engine exhaust gas purification device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003314245A (en) * | 2002-04-24 | 2003-11-06 | Toyota Motor Corp | Exhaust gas purification device for internal combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH053694Y2 (en) | 1993-01-28 |
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