JPS58154853U - Diesel engine EGR control device - Google Patents
Diesel engine EGR control deviceInfo
- Publication number
- JPS58154853U JPS58154853U JP5296782U JP5296782U JPS58154853U JP S58154853 U JPS58154853 U JP S58154853U JP 5296782 U JP5296782 U JP 5296782U JP 5296782 U JP5296782 U JP 5296782U JP S58154853 U JPS58154853 U JP S58154853U
- Authority
- JP
- Japan
- Prior art keywords
- negative pressure
- control valve
- diesel engine
- control device
- egr control
- 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
- 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図は本考案に係るディーゼルエンジンのＥＧＲ制御
装置の一実施例を示す構成図、第２図は負圧制御弁の出
力特性を示す図、第３図は本考案に係るディーゼルエン
ジンのＥＧＲ制御装置の他の実施例を示す一部構成図で
ある。
１・・・ＥＧＲ制御弁、７・・・ダイヤフラム室、８・
・・負圧制御弁、９・・・第１の室、２１・・・プラー
ンジャ、２５．３２・・・高度補償装置、２５Ｃ，３２
Ｃ・・・ベローズ、２５ｄ・・・第１のロッド、２５ｅ
・・・第２のロッド、３２ｄ・・・ロッド。FIG. 1 is a configuration diagram showing an embodiment of the EGR control device for a diesel engine according to the present invention, FIG. 2 is a diagram showing the output characteristics of the negative pressure control valve, and FIG. FIG. 7 is a partial configuration diagram showing another embodiment of the control device. 1... EGR control valve, 7... diaphragm chamber, 8...
... Negative pressure control valve, 9... First chamber, 21... Plunger, 25.32... Altitude compensator, 25C, 32
C... Bellows, 25d... First rod, 25e
...Second rod, 32d...Rod.
Claims (2)
ントロールレバーの開度に応じた出力負圧を形成する負
圧制御弁と、該出力負圧をダイヤフラム室内に導入し、
該負正に応じて排気系から吸気系に還流される排気ガス
の再循環量を制御するＥＧＲ制御弁を備えたディーゼル
エンジンのＥＧＲ制御装置において、前記負圧制御弁に
、気圧の変化に応じて作動し、前記負圧制御弁のプラン
ジャを作動させて、該負圧制御弁のダイヤフラム室内の
負圧を変化させる高度補償装置を設けたことを特徴とす
るディーゼルエンジンのＥＧＲ制御装置。(1) A negative pressure control valve that forms an output negative pressure in the diaphragm chamber according to the opening degree of the speed control lever of the fuel injection pump, and the output negative pressure is introduced into the diaphragm chamber,
In the EGR control device for a diesel engine equipped with an EGR control valve that controls the amount of recirculation of exhaust gas recirculated from the exhaust system to the intake system according to the negative or positive, the negative pressure control valve is configured to 1. An EGR control device for a diesel engine, characterized in that an altitude compensator is provided, which operates a plunger of the negative pressure control valve to change the negative pressure in a diaphragm chamber of the negative pressure control valve.
縮するベローズと、該ベローズと共動し、前記負圧制御
弁のプランジャを作動させるロッドを備えてなる実用新
案登録請求の範囲第（１）項記載のディーゼルエンジン
のＥＧＲ制御装置。(2) The altitude compensator comprises a bellows that expands and contracts in response to changes in atmospheric pressure, and a rod that operates together with the bellows to actuate the plunger of the negative pressure control valve. 1) EGR control device for a diesel engine according to item 1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5296782U JPS58154853U (en) | 1982-04-12 | 1982-04-12 | Diesel engine EGR control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5296782U JPS58154853U (en) | 1982-04-12 | 1982-04-12 | Diesel engine EGR control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58154853U true JPS58154853U (en) | 1983-10-17 |
Family
ID=30063657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5296782U Pending JPS58154853U (en) | 1982-04-12 | 1982-04-12 | Diesel engine EGR control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58154853U (en) |
-
1982
- 1982-04-12 JP JP5296782U patent/JPS58154853U/en active Pending
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