JPH041657U - - Google Patents
Info
- Publication number
- JPH041657U JPH041657U JP4032490U JP4032490U JPH041657U JP H041657 U JPH041657 U JP H041657U JP 4032490 U JP4032490 U JP 4032490U JP 4032490 U JP4032490 U JP 4032490U JP H041657 U JPH041657 U JP H041657U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- exhaust
- passage
- recirculation
- 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
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Exhaust-Gas Circulating Devices (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Description
第１図〜第３図はこの考案を具体化した第１実
施例を示し、第１図及び第２図はＥＧＲ弁の構造
及び一連の作用を説明する断面図、第３図はＥＧ
Ｒ装置を適用したデイーゼルエンジンの概略構成
を示す図である。第４図及び第５図はこの考案を
具体化した第２実施例におけるＥＧＲ弁の構造及
び一連の作用を説明する断面図である。
図中、１は内燃機関としてのエンジン、３は吸
気通路、４は排気通路、５は排気ブレーキ弁、７
は排気環流通路としてのＥＧＲ管、８，３１は環
流制御弁としてのＥＧＲ弁、１３，３６は弁体、
２０，３７は遮断弁、２２，４０，４１はスプリ
ングである。
1 to 3 show a first embodiment embodying this invention, FIGS. 1 and 2 are sectional views explaining the structure and series of actions of the EGR valve, and FIG. 3 is a sectional view of the EGR valve.
1 is a diagram showing a schematic configuration of a diesel engine to which an R device is applied. FIGS. 4 and 5 are cross-sectional views illustrating the structure and series of operations of an EGR valve in a second embodiment embodying this invention. In the figure, 1 is an engine as an internal combustion engine, 3 is an intake passage, 4 is an exhaust passage, 5 is an exhaust brake valve, and 7
8 and 31 are EGR pipes as exhaust gas recirculation passages, 8 and 31 are EGR valves as recirculation control valves, and 13 and 36 are valve bodies;
20, 37 are cutoff valves, and 22, 40, 41 are springs.
Claims (1)
の途中に設けられた排気ブレーキ弁と、 前記排気ブレーキ弁の上流側にて前記排気通路
内の排気ガスの一部を前記内燃機関の吸気通路へ
還流させる排気還流通路と、 前記排気還流通路の途中に設けられて排気ガス
の還流を制御する還流制御弁と を備えたＥＧＲ装置において、 前記排気還流通路の途中であつて前記還流制御
弁の上流側にて、排気圧力が所定レベルを超えた
ときに排気ガスの流れを遮断する遮断弁を設けた
ことを特徴とするＥＧＲ装置。[Scope of Claim for Utility Model Registration] An exhaust brake valve provided in the middle of an exhaust passage through which exhaust gas from an internal combustion engine flows, and a part of the exhaust gas in the exhaust passage on the upstream side of the exhaust brake valve. An EGR device comprising: an exhaust gas recirculation passage that recirculates the exhaust gas to the intake passage of the internal combustion engine; and a recirculation control valve that is provided in the middle of the exhaust gas recirculation passage and controls the recirculation of exhaust gas, An EGR device characterized in that a cutoff valve is provided upstream of the recirculation control valve to cut off the flow of exhaust gas when exhaust pressure exceeds a predetermined level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4032490U JPH041657U (en) | 1990-04-16 | 1990-04-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4032490U JPH041657U (en) | 1990-04-16 | 1990-04-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH041657U true JPH041657U (en) | 1992-01-08 |
Family
ID=31550017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4032490U Pending JPH041657U (en) | 1990-04-16 | 1990-04-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH041657U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100494777B1 (en) * | 2002-09-07 | 2005-06-10 | 현대자동차주식회사 | Noise reduction typed EGR valve in vehicle |
| KR100514837B1 (en) * | 2002-10-15 | 2005-09-14 | 현대자동차주식회사 | Vaccum actuator of Variable induction system in vehicle |
-
1990
- 1990-04-16 JP JP4032490U patent/JPH041657U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100494777B1 (en) * | 2002-09-07 | 2005-06-10 | 현대자동차주식회사 | Noise reduction typed EGR valve in vehicle |
| KR100514837B1 (en) * | 2002-10-15 | 2005-09-14 | 현대자동차주식회사 | Vaccum actuator of Variable induction system in vehicle |
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