JPH0240960U - - Google Patents
Info
- Publication number
- JPH0240960U JPH0240960U JP12094888U JP12094888U JPH0240960U JP H0240960 U JPH0240960 U JP H0240960U JP 12094888 U JP12094888 U JP 12094888U JP 12094888 U JP12094888 U JP 12094888U JP H0240960 U JPH0240960 U JP H0240960U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- passage
- engine
- gas recirculation
- trap filter
- 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
- 238000011144 upstream manufacturing Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 2
- 230000001186 cumulative effect Effects 0.000 description 1
Landscapes
- Supercharger (AREA)
- Exhaust-Gas Circulating Devices (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Description
第１図はウエストゲート通路を設けたターボチ
ヤージヤを装着したＥＧＲ装置の概略構成図、第
２図は第１図に示す実施例のＥＧＲ弁及び開閉バ
ルブの開閉制御を示すフローチヤート、第３図は
開閉バルブの絞り角度を示す説明図、第４図は可
変翼コントロール装置を設けたターボチヤージヤ
を装着したＥＧＲ装置の概略構成図、第５図は第
３図に示す実施例のＥＧＲ弁及び開閉バルブの開
閉制御を示すフローチヤートである。
１，３３……ターボチヤージヤ、３……エンジ
ン、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…
…ＥＧＲ弁、１５……エンジン回転数センサ、１
７……エンジン負荷センサ、１９……ＥＣＵ、２
１，２７……開閉バルブ、２３……バイパス通路
、２９……ウエストゲート通路、３５……可変翼
コントロール装置、３７，３９……累積時間計。
Fig. 1 is a schematic configuration diagram of an EGR system equipped with a turbocharger provided with a waste gate passage, Fig. 2 is a flowchart showing the opening/closing control of the EGR valve and opening/closing valve of the embodiment shown in Fig. 1, and Fig. 3 is a An explanatory diagram showing the throttle angle of the opening/closing valve, FIG. 4 is a schematic diagram of an EGR system equipped with a turbocharger equipped with a variable vane control device, and FIG. 5 is an illustration of the EGR valve and opening/closing valve of the embodiment shown in FIG. 3. It is a flowchart showing opening/closing control. 1, 33...turbocharger, 3...engine, 5...intake passage, 7...exhaust passage, 9...trap filter, 11...exhaust recirculation passage, 13...
...EGR valve, 15...Engine speed sensor, 1
7...Engine load sensor, 19...ECU, 2
1, 27... Opening/closing valve, 23... Bypass passage, 29... Waste gate passage, 35... Variable blade control device, 37, 39... Cumulative time meter.
Claims (1)
ヤをエンジンに装着し、排気ガスの一部を吸気通
路へ還流する排気還流通路を上記ターボチヤージ
ヤの上流側吸気通路に接続すると共に、当該排気
還流通路にパーテイキユレートトラツプフイルタ
を設け、且つ当該パーテイキユレートトラツプフ
イルタの上流側排気還流通路にＥＧＲ弁を設け、
パーテイキユレートトラツプフイルタの下流側排
気還流通路と上記ターボチヤージヤの下流側吸気
通路に開閉バルブを有するバイパス通路を接続し
、エンジンの運転状況に応じて上記ターボチヤー
ジヤの制御手段とＥＧＲ弁及び開閉バルブの開閉
を制御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。 (2) 過給圧の制御手段は、エンジンの運転状況
に応じて制御されるアクチユエータを有するウエ
ストゲートであることを特徴とする請求項１記載
のデイーゼルエンジンのＥＧＲ装置。 (3) 過給圧の制御手段は、エンジンの運転状況
に応じて制御される可変翼コントロール装置であ
ることを特徴とする請求項１記載のデイーゼルエ
ンジンのＥＧＲ装置。 (4) 排気還流通路が接続する排気通路の下流側
には、再生装置付パーテイキユレートトラツプフ
イルタが装着されていることを特徴とする請求項
１乃至請求項３のいずれかに記載のデイーゼルエ
ンジンのＥＧＲ装置。[Scope of Claim for Utility Model Registration] (1) A turbocharger having boost pressure control means is installed on the engine, and an exhaust gas recirculation passage that recirculates a portion of exhaust gas to the intake passage is connected to the upstream intake passage of the turbocharger. At the same time, a particulate trap filter is provided in the exhaust gas recirculation passage, and an EGR valve is provided in the exhaust gas recirculation passage upstream of the particulate trap filter,
A bypass passage having an on-off valve is connected to the exhaust gas recirculation passage on the downstream side of the particulate trap filter and the intake passage on the downstream side of the turbocharger. An EGR device for a diesel engine characterized by controlling opening and closing. (2) The EGR system for a diesel engine according to claim 1, wherein the boost pressure control means is a wastegate having an actuator that is controlled according to the operating conditions of the engine. (3) The EGR system for a diesel engine according to claim 1, wherein the boost pressure control means is a variable vane control device that is controlled according to the operating conditions of the engine. (4) The diesel according to any one of claims 1 to 3, wherein a particulate trap filter with a regenerator is installed on the downstream side of the exhaust passage to which the exhaust gas recirculation passage is connected. Engine EGR device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12094888U JPH0240960U (en) | 1988-09-14 | 1988-09-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12094888U JPH0240960U (en) | 1988-09-14 | 1988-09-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0240960U true JPH0240960U (en) | 1990-03-20 |
Family
ID=31367516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12094888U Pending JPH0240960U (en) | 1988-09-14 | 1988-09-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0240960U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015121106A (en) * | 2013-12-20 | 2015-07-02 | トヨタ自動車株式会社 | Internal combustion engine control system |
| JP2015178775A (en) * | 2014-03-18 | 2015-10-08 | トヨタ自動車株式会社 | internal combustion engine |
-
1988
- 1988-09-14 JP JP12094888U patent/JPH0240960U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015121106A (en) * | 2013-12-20 | 2015-07-02 | トヨタ自動車株式会社 | Internal combustion engine control system |
| JP2015178775A (en) * | 2014-03-18 | 2015-10-08 | トヨタ自動車株式会社 | internal combustion engine |
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