JPH0479919U - - Google Patents
Info
- Publication number
- JPH0479919U JPH0479919U JP12401390U JP12401390U JPH0479919U JP H0479919 U JPH0479919 U JP H0479919U JP 12401390 U JP12401390 U JP 12401390U JP 12401390 U JP12401390 U JP 12401390U JP H0479919 U JPH0479919 U JP H0479919U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- particulate trap
- gas treatment
- particulate
- combustion air
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 239000003054 catalyst Substances 0.000 claims description 2
- 230000008929 regeneration Effects 0.000 claims 2
- 238000011069 regeneration method Methods 0.000 claims 2
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Exhaust Gas After Treatment (AREA)
Description
図面はこの考案の一実施例を示すもので、第１
図はデイーゼルエンジンの排気ガス処理ユニツト
の要部構成を示す縦断面図、第２図はデイーゼル
エンジンの排気系の概略構成図、第３図はパテイ
キユレートトラツプの概略構成を示す縦断面図、
第４図はパテイキユレートトラツプの端面を示す
正面図、第５図はコントローラの接続状態を示す
概略構成図、第６図はエアポンプ、ヒータ、第１
、第２の開閉弁の動作を説明するためのタイムチ
ヤート、第７図はヒータの温度特性を示す特性図
である。
２……排気ガス通路、３……排気ガス処理ユニ
ツト、５……円筒状容器、６……パテイキユレー
トトラツプ、７……触媒、１２……ヒータ、２０
……燃焼用空気供給機構。
The drawing shows one embodiment of this invention.
The figure is a vertical cross-sectional view showing the main part configuration of the exhaust gas treatment unit of a diesel engine, Figure 2 is a schematic configuration diagram of the exhaust system of a diesel engine, and Figure 3 is a vertical cross-sectional view showing the schematic configuration of the particulate trap. ,
Figure 4 is a front view showing the end face of the particulate trap, Figure 5 is a schematic configuration diagram showing the connection state of the controller, and Figure 6 is the air pump, heater,
, a time chart for explaining the operation of the second on-off valve, and FIG. 7 is a characteristic diagram showing the temperature characteristics of the heater. 2... Exhaust gas passage, 3... Exhaust gas treatment unit, 5... Cylindrical container, 6... Particulate trap, 7... Catalyst, 12... Heater, 20
...Combustion air supply mechanism.
Claims (1)
ス中のパテイキユレートを捕集するパテイキユレ
ートトラツプ、このパテイキユレートトラツプの
下流側に触媒を直列状態で配設させた排気ガス処
理ユニツトを設け、この排気ガス処理ユニツトに
おける前記パテイキユレートトラツプの上流側に
前記パテイキユレートトラツプに捕集されたパテ
イキユレートを燃焼させて再生させる再生用のヒ
ータを対向配設し、かつ前記パテイキユレートト
ラツプの再生時に前記排気ガス処理ユニツトの筒
状容器内に燃焼用空気を供給する燃焼用空気供給
機構を設けたことを特徴とする排気ガス処理装置
。 A particulate trap that collects particulates in exhaust gas in a cylindrical container placed in the exhaust gas passage, and an exhaust gas treatment system in which a catalyst is arranged in series on the downstream side of this particulate trap. A regeneration heater is provided on the upstream side of the particulate trap in the exhaust gas treatment unit to burn and regenerate the particulate collected in the particulate trap, and An exhaust gas treatment device comprising a combustion air supply mechanism for supplying combustion air into the cylindrical container of the exhaust gas treatment unit during regeneration of the particulate trap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12401390U JPH0479919U (en) | 1990-11-26 | 1990-11-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12401390U JPH0479919U (en) | 1990-11-26 | 1990-11-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0479919U true JPH0479919U (en) | 1992-07-13 |
Family
ID=31871688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12401390U Pending JPH0479919U (en) | 1990-11-26 | 1990-11-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0479919U (en) |
-
1990
- 1990-11-26 JP JP12401390U patent/JPH0479919U/ja active Pending
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