JPS6092758U - Exhaust gas recirculation control device for supercharged engines - Google Patents
Exhaust gas recirculation control device for supercharged enginesInfo
- Publication number
- JPS6092758U JPS6092758U JP18521783U JP18521783U JPS6092758U JP S6092758 U JPS6092758 U JP S6092758U JP 18521783 U JP18521783 U JP 18521783U JP 18521783 U JP18521783 U JP 18521783U JP S6092758 U JPS6092758 U JP S6092758U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- gas recirculation
- chamber
- recirculation control
- diaphragm mechanism
- 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.)
- Granted
Links
Landscapes
- Exhaust-Gas Circulating Devices (AREA)
- Supercharger (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、第２図は本考案の一実施例を示し、第１図は概
略説明図、第２図は要部を示す拡大概略説明図である。
第３図は本考案の他の実施例を示す第２図相当の図であ
る。
２・・・・・・排気系路、３・・・・・・給気系路、７
・・・・・・排気ガス環流通路、８・・・・・・環流制
御弁、１５・・・・・・ダイヤフラム機構、１６・・・
・・・ダイヤフラム、１７・・・・・・第１の室、１８
・・・・・・第２の室、１９・・・・・・気化器１．２
１・・・・・・スロットル弁、２２・・・・・・ベンチ
ュリ部、２３・・・・・・サージタンク、２５・・・・
・・チェック弁、２６・・・・・・モジュレータ。1 and 2 show an embodiment of the present invention, with FIG. 1 being a schematic explanatory diagram and FIG. 2 being an enlarged schematic explanatory diagram showing the main parts. FIG. 3 is a diagram corresponding to FIG. 2 showing another embodiment of the present invention. 2...Exhaust system path, 3...Air supply system path, 7
... Exhaust gas recirculation passage, 8 ... Recirculation control valve, 15 ... Diaphragm mechanism, 16 ...
...Diaphragm, 17...First chamber, 18
...Second chamber, 19...Carburizer 1.2
1...Throttle valve, 22...Venturi section, 23...Surge tank, 25...
...Check valve, 26...Modulator.
Claims (1)
、この排気ガス環流通路を開閉する環流制御弁と、ダイ
アフラムの一面側に形成した第１の室を気化器のスロッ
トル弁介装位置に開口させた第１ポートに連通させると
ともに他面側に形成した第２の室を気化器のベンチュリ
部より上流で過給機より下流の位置に開口させた第２ポ
ートに連通させこれら両室間の圧力差によって前記環流
制御弁を作動させるダイヤフラム機構と、前記ダイヤフ
ラム機構の第２の室へ加わる圧力が所定値以上になると
前記第２ポートと前記第２の室との連通を遮断するチェ
ック弁と、前記ダイヤフラム機構の第１の室内の圧力を
排気の圧力に応じて調ｉするモジュレータとを具備して
なることを特徴とする過給機付エンジンの排気ガス環流
装置。An exhaust gas recirculation passage that communicates the exhaust system passage with the intake system passage, a recirculation control valve that opens and closes this exhaust gas recirculation passage, and a first chamber formed on one side of the diaphragm are connected to the throttle valve interposition position of the carburetor. A second chamber formed on the other side is communicated with a second port opened at a position upstream of the venturi portion of the carburetor and downstream of the supercharger, so that both chambers a diaphragm mechanism that operates the recirculation control valve based on a pressure difference between the diaphragm mechanism and a check that cuts off communication between the second port and the second chamber when the pressure applied to the second chamber of the diaphragm mechanism exceeds a predetermined value. An exhaust gas recirculation device for a supercharged engine, comprising a valve and a modulator that adjusts the pressure in the first chamber of the diaphragm mechanism according to the pressure of exhaust gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18521783U JPS6092758U (en) | 1983-11-29 | 1983-11-29 | Exhaust gas recirculation control device for supercharged engines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18521783U JPS6092758U (en) | 1983-11-29 | 1983-11-29 | Exhaust gas recirculation control device for supercharged engines |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6092758U true JPS6092758U (en) | 1985-06-25 |
| JPS6329173Y2 JPS6329173Y2 (en) | 1988-08-05 |
Family
ID=30400386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18521783U Granted JPS6092758U (en) | 1983-11-29 | 1983-11-29 | Exhaust gas recirculation control device for supercharged engines |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6092758U (en) |
-
1983
- 1983-11-29 JP JP18521783U patent/JPS6092758U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6329173Y2 (en) | 1988-08-05 |
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