JPS6321756U - - Google Patents
Info
- Publication number
- JPS6321756U JPS6321756U JP11403986U JP11403986U JPS6321756U JP S6321756 U JPS6321756 U JP S6321756U JP 11403986 U JP11403986 U JP 11403986U JP 11403986 U JP11403986 U JP 11403986U JP S6321756 U JPS6321756 U JP S6321756U
- Authority
- JP
- Japan
- Prior art keywords
- negative pressure
- pressure chamber
- egr
- valve
- compressor
- 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
- 230000003134 recirculating effect Effects 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 1
Landscapes
- Exhaust-Gas Circulating Devices (AREA)
Description
第１図は本考案の一実施例に係るターボチヤー
ジヤ付デイーゼルエンジンのＥＧＲ制御装置の概
要図、第２図は第１図の装置におけるＥＧＲバル
ブ近傍の断面図、第３図は本考案および従来装置
における吸入負圧とＥＧＲ量との関係を示した関
係図、である。
２……ターボチヤージヤ、３……コンプレツサ
、４……クリーナ、５……タービン、７……ＥＧ
Ｒ通路、８……ＥＧＲバルブ、９……ダイヤフラ
ム、１０……弁体、１１……第１負圧室、１２…
…第２の負圧室、１３……ＥＶＲＶ（エレクトリ
ツクバキユームレギユレーテイングバルブ）、１
７……バキユームホース、Ａ……ＥＧＲ制御負圧
、Ｂ……吸気管負圧。
FIG. 1 is a schematic diagram of an EGR control device for a turbocharged diesel engine according to an embodiment of the present invention, FIG. 2 is a cross-sectional view of the EGR valve and its vicinity in the device shown in FIG. 1, and FIG. 3 is a diagram showing the present invention and a conventional device. FIG. 3 is a relationship diagram showing the relationship between negative suction pressure and EGR amount in FIG. 2...Turbo charger, 3...Compressor, 4...Cleaner, 5...Turbine, 7...EG
R passage, 8... EGR valve, 9... diaphragm, 10... valve body, 11... first negative pressure chamber, 12...
...Second negative pressure chamber, 13...EVRV (electric vacuum regulating valve), 1
7... Vacuum hose, A... EGR control negative pressure, B... Intake pipe negative pressure.
Claims (1)
チヤージヤのコンプレツサ下流へ排気ガスを再循
環させる通路に、排気ガスの流量を制御するＥＧ
Ｒバルブを設けたターボチヤージヤ付デイーゼル
エンジンのＥＧＲ制御装置において、前記ＥＧＲ
バルブにダイヤフラムで区画される第１の負圧室
と第２の負圧室を形成し、前記第１の負圧室にＥ
ＧＲ制御負圧を導入するとともに、前記第２の負
圧室にエアクリーナと前記コンプレツサとの間に
おける吸気管負圧を導入したことを特徴とするタ
ーボチヤージヤ付デイーゼルエンジンのＥＧＲ制
御装置。 An EG for controlling the flow rate of exhaust gas is provided in a passage for recirculating exhaust gas from upstream of the turbine of the turbocharger to downstream of the compressor of the turbocharger.
In the EGR control device for a turbocharged diesel engine provided with an R valve, the EGR
A first negative pressure chamber and a second negative pressure chamber are formed in the valve, which are separated by a diaphragm, and E is provided in the first negative pressure chamber.
An EGR control device for a turbocharged diesel engine, characterized in that a GR control negative pressure is introduced and an intake pipe negative pressure between an air cleaner and the compressor is introduced into the second negative pressure chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11403986U JPS6321756U (en) | 1986-07-26 | 1986-07-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11403986U JPS6321756U (en) | 1986-07-26 | 1986-07-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6321756U true JPS6321756U (en) | 1988-02-13 |
Family
ID=30996405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11403986U Pending JPS6321756U (en) | 1986-07-26 | 1986-07-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6321756U (en) |
-
1986
- 1986-07-26 JP JP11403986U patent/JPS6321756U/ja active Pending
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