JPH0321512U - - Google Patents
Info
- Publication number
- JPH0321512U JPH0321512U JP8142889U JP8142889U JPH0321512U JP H0321512 U JPH0321512 U JP H0321512U JP 8142889 U JP8142889 U JP 8142889U JP 8142889 U JP8142889 U JP 8142889U JP H0321512 U JPH0321512 U JP H0321512U
- Authority
- JP
- Japan
- Prior art keywords
- air
- trap
- oxidation catalyst
- purification device
- detecting
- 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 4
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 4
- 238000000746 purification Methods 0.000 claims 2
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Exhaust Gas After Treatment (AREA)
Description
第１図はこの考案の実施例を示す構成図、第２
図は同じく制御動作を説明するフローチヤート、
第３図は同じく酸化触媒の特性図、第４図は他の
実施例を示す構成図である。
１…酸化触媒トラツプ、３…エンジン排気通路
、４…空気吹出口、５…エアポンプ、８…ダクト
、９…バルブ、１０…ソレノイド、１１…コント
ローラ、１２…エンジン回転センサ、１３…負荷
センサ、１４…温度センサ。
Figure 1 is a configuration diagram showing an embodiment of this invention, Figure 2
The figure is also a flowchart explaining the control operation,
FIG. 3 is a characteristic diagram of the oxidation catalyst, and FIG. 4 is a configuration diagram showing another embodiment. DESCRIPTION OF SYMBOLS 1... Oxidation catalyst trap, 3... Engine exhaust passage, 4... Air outlet, 5... Air pump, 8... Duct, 9... Valve, 10... Solenoid, 11... Controller, 12... Engine rotation sensor, 13... Load sensor, 14 ...Temperature sensor.
Claims (1)
たデイーゼルエンジンの排気浄化装置において、
酸化触媒トラツプ下流側でトラツプ後端面に向け
て開口する空気吹出口と、この吹出口に空気供給
管を介して高圧空気を供給する空気加圧供給手段
を設ける一方、トラツプ温度を検出する手段と、
エンジン回転数及び負荷状態を検出する手段と、
これらの検出信号に基づいて空気加圧供給手段を
制御するコントローラを設けたことを特徴とする
デイーゼルエンジンの排気浄化装置。 In a diesel engine exhaust purification device that has an oxidation catalyst trap installed in the engine exhaust passage,
An air outlet opening toward the rear end face of the trap on the downstream side of the oxidation catalyst trap, and an air pressurizing supply means for supplying high-pressure air to this outlet via an air supply pipe are provided, and a means for detecting the trap temperature is provided. ,
means for detecting engine speed and load condition;
An exhaust purification device for a diesel engine, characterized in that it is provided with a controller that controls air pressurization and supply means based on these detection signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8142889U JPH0321512U (en) | 1989-07-11 | 1989-07-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8142889U JPH0321512U (en) | 1989-07-11 | 1989-07-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0321512U true JPH0321512U (en) | 1991-03-04 |
Family
ID=31627366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8142889U Pending JPH0321512U (en) | 1989-07-11 | 1989-07-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0321512U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006123576A (en) * | 2004-10-26 | 2006-05-18 | Piolax Inc | Fuel check valve |
| JP2007120565A (en) * | 2005-10-26 | 2007-05-17 | Bridgestone Corp | Vibration isolator |
-
1989
- 1989-07-11 JP JP8142889U patent/JPH0321512U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006123576A (en) * | 2004-10-26 | 2006-05-18 | Piolax Inc | Fuel check valve |
| JP2007120565A (en) * | 2005-10-26 | 2007-05-17 | Bridgestone Corp | Vibration isolator |