JPS58177550U - Diesel engine exhaust recirculation device - Google Patents
Diesel engine exhaust recirculation deviceInfo
- Publication number
- JPS58177550U JPS58177550U JP7410682U JP7410682U JPS58177550U JP S58177550 U JPS58177550 U JP S58177550U JP 7410682 U JP7410682 U JP 7410682U JP 7410682 U JP7410682 U JP 7410682U JP S58177550 U JPS58177550 U JP S58177550U
- Authority
- JP
- Japan
- Prior art keywords
- diesel engine
- engine exhaust
- recirculation device
- exhaust recirculation
- switching valve
- 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
Landscapes
- Output Control And Ontrol Of Special Type Engine (AREA)
- Exhaust-Gas Circulating Devices (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の一実施例を示すシステム図、第２図は
燃料ポンプのポンプ回転数と燃料噴射ポンプ室内圧との
相関関係をを示す特性図、第３図は本考案に係る燃料噴
射ポンプ室および切替バルブを示す位置説明図、第４図
は本考案に係る切替バルブの変形例を示す断面図である
。
１・・・・・・ＥＧＲバルブ、２・・・・・・バキュー
ムポンプ、３・・・・・・負圧室、４・・・・・・バキ
ュームホース、５・・・・・・燃料噴射ポンプ室、６・
・・・・・切替バルブ。Fig. 1 is a system diagram showing an embodiment of the present invention, Fig. 2 is a characteristic diagram showing the correlation between the pump rotation speed of the fuel pump and the fuel injection pump indoor pressure, and Fig. 3 is the fuel injection pump according to the present invention. FIG. 4 is a position explanatory diagram showing the injection pump chamber and the switching valve, and FIG. 4 is a sectional view showing a modification of the switching valve according to the present invention. 1... EGR valve, 2... Vacuum pump, 3... Negative pressure chamber, 4... Vacuum hose, 5... Fuel injection Pump room, 6.
...Switching valve.
Claims (1)
し、該切替バルブの開度を燃料噴射ポンプ室内圧によっ
て制御するようにしたことを特徴とするディーゼルエン
ジンの排気還流装置。An exhaust gas recirculation system for a diesel engine, characterized in that an atmospheric air introduction switching valve is connected to a negative pressure chamber of an EGR valve, and the opening degree of the switching valve is controlled by the fuel injection pump chamber pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7410682U JPS58177550U (en) | 1982-05-20 | 1982-05-20 | Diesel engine exhaust recirculation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7410682U JPS58177550U (en) | 1982-05-20 | 1982-05-20 | Diesel engine exhaust recirculation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58177550U true JPS58177550U (en) | 1983-11-28 |
Family
ID=30083567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7410682U Pending JPS58177550U (en) | 1982-05-20 | 1982-05-20 | Diesel engine exhaust recirculation device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58177550U (en) |
-
1982
- 1982-05-20 JP JP7410682U patent/JPS58177550U/en active Pending
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