JPS6373561U - - Google Patents
Info
- Publication number
- JPS6373561U JPS6373561U JP16892486U JP16892486U JPS6373561U JP S6373561 U JPS6373561 U JP S6373561U JP 16892486 U JP16892486 U JP 16892486U JP 16892486 U JP16892486 U JP 16892486U JP S6373561 U JPS6373561 U JP S6373561U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- exhaust
- passage structure
- recirculation passage
- engine
- 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
- 239000002184 metal Substances 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 claims 1
- 230000003134 recirculating effect Effects 0.000 claims 1
Landscapes
- Exhaust-Gas Circulating Devices (AREA)
Description
第1図は、本考案の一実施例に係るエンジンの
排気ガス再循環通路構造の縦断面図、第2図は、
第1図の―断面図、第3図は、第1図の排気
ガス再循環通路構造を備えた排気マニホルドの分
解斜視図、第4図は、第1図の排気ガス再循環通
路構造の横断面図、第5図は、第1図の排気ガス
再循環通路構造を備えたエンジンの斜視図、第6
図は、従来のエンジンの排気ガス再循環通路構造
の縦断面図、第7図は、鈑金製の排気マニホルド
の分解斜視図である。
1……シリンダヘツド、3……排気ガス通路、
4……フランジ部、5……排気ガス導入路、10
……排気マニホルド(鈑金製の排気マニホルド)
、11……枝管、12……切り欠き、42……排
気ガス孔、45……金属小片。
FIG. 1 is a longitudinal sectional view of an exhaust gas recirculation passage structure of an engine according to an embodiment of the present invention, and FIG.
1 is a cross-sectional view, FIG. 3 is an exploded perspective view of an exhaust manifold equipped with the exhaust gas recirculation passage structure of FIG. 1, and FIG. 4 is a cross-sectional view of the exhaust gas recirculation passage structure of FIG. The top view, FIG. 5, is a perspective view of the engine equipped with the exhaust gas recirculation passage structure shown in FIG.
This figure is a longitudinal sectional view of a conventional engine exhaust gas recirculation passage structure, and FIG. 7 is an exploded perspective view of an exhaust manifold made of sheet metal. 1...Cylinder head, 3...Exhaust gas passage,
4...Flange part, 5...Exhaust gas introduction path, 10
...Exhaust manifold (sheet metal exhaust manifold)
, 11...Branch pipe, 12...Notch, 42...Exhaust gas hole, 45...Small metal piece.
Claims (1)
ドの中に穿設されている排気ガス通路を介して吸
気マニホルドに再循環するための排気ガス再循環
通路構造であつて、前記排気マニホルドは枝管と
フランジ部とにより構成されており、前記フラン
ジ部にはエンジンの燃焼室より排出される排気ガ
スが通る排気ガス孔と、再循環される排気ガスが
通る排気ガス導入路とが設けられており、前記フ
ランジ部が前記シリンダヘツドに取り付けられて
いるとき前記排気ガス通路と前記排気ガス導入路
とが連通されているエンジンの排気ガス再循環通
路構造において、 前記排気マニホルドは前記枝管の先端部分が前
記排気ガス孔に挿入され、前記排気ガス導入路に
整合して前記枝管には切り欠きが設けられている
とともに、平板状の金属小片で前記切り欠きと前
記排気ガス導入路とが塞がれることにより構成さ
れていることを特徴とするエンジンの排気ガス再
循環通路構造。[Claims for Utility Model Registration] An exhaust gas recirculation passage structure for recirculating exhaust gas in an exhaust manifold to an intake manifold via an exhaust gas passage bored in a cylinder head, comprising: The exhaust manifold is composed of a branch pipe and a flange part, and the flange part has an exhaust gas hole through which the exhaust gas discharged from the combustion chamber of the engine passes, and an exhaust gas introduction path through which the exhaust gas to be recirculated passes. An exhaust gas recirculation passage structure for an engine, wherein the exhaust gas passage and the exhaust gas introduction passage are in communication with each other when the flange portion is attached to the cylinder head, wherein the exhaust manifold is provided with: A distal end portion of the branch pipe is inserted into the exhaust gas hole, and a notch is provided in the branch pipe in alignment with the exhaust gas introduction path, and a small flat metal piece is used to connect the notch and the exhaust gas. An exhaust gas recirculation passage structure for an engine, characterized in that the exhaust gas recirculation passage structure is configured by blocking a gas introduction passage.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16892486U JPS6373561U (en) | 1986-10-31 | 1986-10-31 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16892486U JPS6373561U (en) | 1986-10-31 | 1986-10-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6373561U true JPS6373561U (en) | 1988-05-17 |
Family
ID=31102259
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16892486U Pending JPS6373561U (en) | 1986-10-31 | 1986-10-31 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6373561U (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000345926A (en) * | 1999-06-07 | 2000-12-12 | Nissan Motor Co Ltd | Exhaust gas reflux device for internal combustion engine |
JP2001193574A (en) * | 2000-01-14 | 2001-07-17 | Suzuki Motor Corp | Exhaust passage structure of engine |
JP2011122514A (en) * | 2009-12-10 | 2011-06-23 | Daihatsu Motor Co Ltd | Exhaust gas recirculation device for internal combustion engine |
US8936012B2 (en) | 2010-09-27 | 2015-01-20 | Toyota Jidosha Kabushiki Kaisha | Cylinder head |
WO2017169702A1 (en) * | 2016-03-29 | 2017-10-05 | ヤンマー株式会社 | Engine device |
WO2018139003A1 (en) * | 2017-01-30 | 2018-08-02 | ヤンマー株式会社 | Engine device |
-
1986
- 1986-10-31 JP JP16892486U patent/JPS6373561U/ja active Pending
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000345926A (en) * | 1999-06-07 | 2000-12-12 | Nissan Motor Co Ltd | Exhaust gas reflux device for internal combustion engine |
JP2001193574A (en) * | 2000-01-14 | 2001-07-17 | Suzuki Motor Corp | Exhaust passage structure of engine |
JP2011122514A (en) * | 2009-12-10 | 2011-06-23 | Daihatsu Motor Co Ltd | Exhaust gas recirculation device for internal combustion engine |
US8936012B2 (en) | 2010-09-27 | 2015-01-20 | Toyota Jidosha Kabushiki Kaisha | Cylinder head |
WO2017169702A1 (en) * | 2016-03-29 | 2017-10-05 | ヤンマー株式会社 | Engine device |
JP2017180230A (en) * | 2016-03-29 | 2017-10-05 | ヤンマー株式会社 | Engine device |
US10871131B2 (en) | 2016-03-29 | 2020-12-22 | Yanmar Power Technology Co., Ltd. | Engine device |
WO2018139003A1 (en) * | 2017-01-30 | 2018-08-02 | ヤンマー株式会社 | Engine device |
JP2018123718A (en) * | 2017-01-30 | 2018-08-09 | ヤンマー株式会社 | Engine device |
KR20190057150A (en) * | 2017-01-30 | 2019-05-27 | 얀마 가부시키가이샤 | Engine device |
CN110199107A (en) * | 2017-01-30 | 2019-09-03 | 洋马株式会社 | Engine device |
US11002174B2 (en) | 2017-01-30 | 2021-05-11 | Yanmar Power Technology Co., Ltd. | Engine device |