JPH0243452U - - Google Patents
Info
- Publication number
- JPH0243452U JPH0243452U JP12125888U JP12125888U JPH0243452U JP H0243452 U JPH0243452 U JP H0243452U JP 12125888 U JP12125888 U JP 12125888U JP 12125888 U JP12125888 U JP 12125888U JP H0243452 U JPH0243452 U JP H0243452U
- Authority
- JP
- Japan
- Prior art keywords
- passage
- engine
- trap filter
- auxiliary device
- exhaust
- 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 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
Landscapes
- Exhaust-Gas Circulating Devices (AREA)
Description
第１図は本考案の第一実施例に係るＥＧＲ装置
の概略構成図、第２図はエンジンに吸気される空
気を加熱させる制御回路のフローチヤート、第３
図は本考案の第二実施例に係るＥＧＲ装置の概略
構成図、第４図はトラツプフイルタの再生制御回
路のフローチヤート、第５図はエンジンに吸気さ
れる空気を加熱させる制御回路のフローチヤート
、第６図はバーナ式エアヒータを用いた例を示す
説明図である。
５…吸気通路、７…排気通路、９…トラツプフ
イルタ、１１…排気還流通路、１３，２９…開閉
弁、１４…エアクリーナー、１５…エンジン回転
数センサ、１７…エンジン負荷センサ、１９，３
３…ＥＣＵ、２１，２５…エアヒータ、２３…エ
ンジン始動スイツチ、２７…バイパス通路、３１
…エンジン回転累積時間計、３５…バーナ式エア
ヒータ。
FIG. 1 is a schematic configuration diagram of an EGR system according to a first embodiment of the present invention, FIG. 2 is a flowchart of a control circuit for heating air taken into the engine, and FIG.
FIG. 4 is a flowchart of a trap filter regeneration control circuit; FIG. 5 is a flowchart of a control circuit for heating air taken into the engine; FIG. 6 is an explanatory diagram showing an example using a burner type air heater. 5... Intake passage, 7... Exhaust passage, 9... Trap filter, 11... Exhaust recirculation passage, 13, 29... Opening/closing valve, 14... Air cleaner, 15... Engine speed sensor, 17... Engine load sensor, 19, 3
3...ECU, 21, 25...Air heater, 23...Engine start switch, 27...Bypass passage, 31
...Engine rotation cumulative time meter, 35...Burner type air heater.
Claims (1)
間に開閉弁を設けた排気還流通路を接続し、当該
排気還通路にトラツプフイルタ及び当該トラツプ
フイルタに捕集されたパーテイキユレートを燃焼
除去する燃焼補助装置を設け、エンジン始動時に
上記開閉弁を制御して燃焼補助装置により吸気を
加熱するようにしたことを特徴とするデイーゼル
エンジンのＥＧＲ装置。 An exhaust recirculation passage provided with an on-off valve is connected between the intake passage and the exhaust passage of the diesel engine, and a trap filter and a combustion auxiliary device for burning and removing particulates collected in the trap filter are installed in the exhaust recirculation passage. An EGR system for a diesel engine, characterized in that the opening/closing valve is controlled at the time of engine startup to heat intake air by a combustion auxiliary device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12125888U JPH0243452U (en) | 1988-09-16 | 1988-09-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12125888U JPH0243452U (en) | 1988-09-16 | 1988-09-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0243452U true JPH0243452U (en) | 1990-03-26 |
Family
ID=31368103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12125888U Pending JPH0243452U (en) | 1988-09-16 | 1988-09-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0243452U (en) |
-
1988
- 1988-09-16 JP JP12125888U patent/JPH0243452U/ja active Pending
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