JPS5999164U - EGR device for supercharged internal combustion engine - Google Patents
EGR device for supercharged internal combustion engineInfo
- Publication number
- JPS5999164U JPS5999164U JP19393582U JP19393582U JPS5999164U JP S5999164 U JPS5999164 U JP S5999164U JP 19393582 U JP19393582 U JP 19393582U JP 19393582 U JP19393582 U JP 19393582U JP S5999164 U JPS5999164 U JP S5999164U
- Authority
- JP
- Japan
- Prior art keywords
- negative pressure
- combustion engine
- internal combustion
- passage
- supercharged internal
- 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)
- Output Control And Ontrol Of Special Type Engine (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図はこの考案の実施例を示すもので、全体概略系統
図である。第２図Ａ、 Ｂは従来のダイヤフラムの反転
を示す説明図である。 。
図中、２はターボチャージャ、４は気化器、６はサージ
タンク、８はスロットルバルブ、１０は負圧取入口、１
２は吸気通路、１４はエアクリーナ、１６は燃焼室、１
８は還流吐出口、２０はＥＧＲコントロールバルブ、２
２は負圧室、２４は大気室、２６は弁室、２８は滞留室
、３０はダイヤフラム、３０ａはビード、３２はバルブ
、３４は連通口、３６は発条、３８は負圧通路、４０は
逆止め弁、４′２はバイパス通路、４４は絞り部、４６
は排気通路、４８は触媒装置、５０は循環通路、５２は
還流通路である。FIG. 1 shows an embodiment of this invention, and is an overall schematic system diagram. FIGS. 2A and 2B are explanatory diagrams showing the inversion of a conventional diaphragm. . In the figure, 2 is a turbocharger, 4 is a carburetor, 6 is a surge tank, 8 is a throttle valve, 10 is a negative pressure intake port, 1
2 is an intake passage, 14 is an air cleaner, 16 is a combustion chamber, 1
8 is a reflux discharge port, 20 is an EGR control valve, 2
2 is a negative pressure chamber, 24 is an atmospheric chamber, 26 is a valve chamber, 28 is a retention chamber, 30 is a diaphragm, 30a is a bead, 32 is a valve, 34 is a communication port, 36 is a spring, 38 is a negative pressure passage, 40 is a A check valve, 4'2 a bypass passage, 44 a throttle part, 46
48 is an exhaust passage, 48 is a catalyst device, 50 is a circulation passage, and 52 is a reflux passage.
Claims (1)
を有するＥＧＲ装置において、吸気系統に負圧取入口を
設け、該負圧取入口と前記ＥＧＲコントロールバルブの
負圧室とを連通ずる負圧通路の途中に吸気系統からの正
圧が前記負圧室に流入Ｃるのを防止する逆止め弁を設け
ると共に、過給機上流側に連通ずるバイパス通路を前記
負圧室と逆止め弁間の負圧通路に分岐して設け、このバ
イパス通路の途中に絞り部を設けたことを特徴とする過
給式内燃機関のＥＧＲ装置。In an EGR device having an EGR control valve used in a supercharged internal combustion engine, a negative pressure intake is provided in the intake system, and a negative pressure passage is provided in the middle of the negative pressure passage that communicates the negative pressure intake with the negative pressure chamber of the EGR control valve. A check valve is provided to prevent positive pressure from the intake system from flowing into the negative pressure chamber, and a bypass passage communicating with the upstream side of the supercharger is provided to prevent negative pressure between the negative pressure chamber and the check valve. An EGR device for a supercharged internal combustion engine, characterized in that the bypass passage is branched into a passage and a throttle part is provided in the middle of the bypass passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19393582U JPS5999164U (en) | 1982-12-23 | 1982-12-23 | EGR device for supercharged internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19393582U JPS5999164U (en) | 1982-12-23 | 1982-12-23 | EGR device for supercharged internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5999164U true JPS5999164U (en) | 1984-07-04 |
| JPS6320854Y2 JPS6320854Y2 (en) | 1988-06-09 |
Family
ID=30416993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19393582U Granted JPS5999164U (en) | 1982-12-23 | 1982-12-23 | EGR device for supercharged internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5999164U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6030349U (en) * | 1983-08-08 | 1985-03-01 | ダイハツ工業株式会社 | Diaphragm inversion prevention device in exhaust gas recirculation system |
-
1982
- 1982-12-23 JP JP19393582U patent/JPS5999164U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6030349U (en) * | 1983-08-08 | 1985-03-01 | ダイハツ工業株式会社 | Diaphragm inversion prevention device in exhaust gas recirculation system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6320854Y2 (en) | 1988-06-09 |
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