JPS58130066U - Internal combustion engine exhaust purification device - Google Patents
Internal combustion engine exhaust purification deviceInfo
- Publication number
- JPS58130066U JPS58130066U JP19689882U JP19689882U JPS58130066U JP S58130066 U JPS58130066 U JP S58130066U JP 19689882 U JP19689882 U JP 19689882U JP 19689882 U JP19689882 U JP 19689882U JP S58130066 U JPS58130066 U JP S58130066U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- intake passage
- internal combustion
- combustion engine
- annular gap
- 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及び第2図は従来の排気還流浄化装置を示す概略的
説明図。第3図イは本考案の第1の実施例を示す概略的
断面図。第3図口は第3図7のX−X断面図、第4図及
び第5図はそれぞれ第2及び第3の実施例を示す概略的
断面図。第6図は従来技術と本発明による排気浄化装置
の排気中のNOxの含有量(ppm)、各気筒に対する
排気還流率(EGR率)及び空燃比(A/F)の比較を
示す線図。
3・・・・・・吸気マニフオルド、4・・・・・・気化
器、5・・・・・・1次側吸気通路、13・・・・・・
還流排気導入装置、14・・・・・・環状間隙、15・
・・・・・還流排気導入管、16.16’・・・・・・
噴出口、17・・・・・・空気導入制御弁、18・・・
・・・空気導入通路、19・・・・・・ダイヤフラム、
22・・・・・・空気取入管、24・・・・・・吸入負
圧導入管。
−一一一
〜Li−
□□□□□□□□□□□□□□□□□□伺 糺1j善J
□
■
一一一一一一一一一一−−−−叫]15ρ(ネ司)先哨
i31 and 2 are schematic explanatory diagrams showing a conventional exhaust gas recirculation purification device. FIG. 3A is a schematic sectional view showing the first embodiment of the present invention. 3 is a sectional view taken along line XX in FIG. 3, and FIGS. 4 and 5 are schematic sectional views showing the second and third embodiments, respectively. FIG. 6 is a diagram showing a comparison of the NOx content (ppm) in the exhaust gas, the exhaust gas recirculation rate (EGR rate), and the air-fuel ratio (A/F) for each cylinder between the conventional technology and the present invention. 3...Intake manifold, 4...Carburizer, 5...Primary intake passage, 13...
Reflux exhaust gas introduction device, 14... annular gap, 15.
...Recirculation exhaust gas introduction pipe, 16.16'...
Spout port, 17...Air introduction control valve, 18...
...Air introduction passage, 19...Diaphragm,
22... Air intake pipe, 24... Suction negative pressure introduction pipe. -111~Li- □□□□□□□□□□□□□□□□□□Kitten 1j Zen J □ ■ 111111111----Scream] 15ρ( Neji) Sensou i3
Claims (1)
還流する排気還流装置を有する内燃機関において、機関
吸気通路の気化器絞弁下流に吸気通路の周囲を包囲し吸
気通路の流れ方向に延在すると共に、その内壁が吸気通
路の内壁を構成する環状間隙を形成する還流排気導入装
置と、該環状間隙の流れ方向の一方の端部近傍で、その
開口部が吸気通路の中心方向に向って開口する排気噴出
口と、上記環状間隙の他方の端部近傍で、上記排気噴出
口に対して流れ方向に所定の距離を有し、゛上記環状間
隙内壁に対して略垂直方向に連通ずる還流排気導入管と
を設けたことを特徴とする内燃機関の排気浄化装置。In an internal combustion engine that has an exhaust gas recirculation device that communicates the engine exhaust passage with the intake passage and recirculates a portion of the exhaust gas into the intake air, a gas recirculation device that surrounds the intake passage downstream of the carburetor throttle valve in the engine intake passage and recirculates a portion of the exhaust gas into the intake passage, and in the flow direction of the intake passage. a recirculation exhaust gas introduction device that forms an annular gap whose inner wall forms the inner wall of the intake passage; an exhaust outlet that opens toward the annular gap, and has a predetermined distance in the flow direction from the exhaust outlet near the other end of the annular gap, and is located approximately perpendicularly to the inner wall of the annular gap. An exhaust gas purification device for an internal combustion engine, characterized in that it is provided with a communicating sliding recirculation exhaust gas introduction pipe.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19689882U JPS58130066U (en) | 1982-12-30 | 1982-12-30 | Internal combustion engine exhaust purification device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19689882U JPS58130066U (en) | 1982-12-30 | 1982-12-30 | Internal combustion engine exhaust purification device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS58130066U true JPS58130066U (en) | 1983-09-02 |
Family
ID=30110126
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19689882U Pending JPS58130066U (en) | 1982-12-30 | 1982-12-30 | Internal combustion engine exhaust purification device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58130066U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20020055751A (en) * | 2000-12-29 | 2002-07-10 | 이계안 | Sleeve structure of surge tank for EGR gas delivery |
-
1982
- 1982-12-30 JP JP19689882U patent/JPS58130066U/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20020055751A (en) * | 2000-12-29 | 2002-07-10 | 이계안 | Sleeve structure of surge tank for EGR gas delivery |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS59159767U (en) | Internal combustion engine exhaust recirculation device | |
JPS58130066U (en) | Internal combustion engine exhaust purification device | |
JPS5971910U (en) | Blow-by gas recirculation device for internal combustion engine with supercharger | |
JPS6163466U (en) | ||
JPS58116748U (en) | Internal combustion engine exhaust gas recirculation device | |
JPS5848972U (en) | Diesel engine intake passage device | |
JPS6036530U (en) | Internal combustion engine intake system | |
JPS62135862U (en) | ||
JPS59160844U (en) | Internal combustion engine exhaust control device | |
JPS58106544U (en) | Air fuel ratio control device | |
JPH0434451U (en) | ||
JPS6043109U (en) | Blow-by gas recirculation device for supercharged engines | |
JPS5875911U (en) | Air flow meter anti-flapping device for electronically controlled fuel injection internal combustion engines | |
JPS58136644U (en) | Afterfire prevention device for internal combustion engines | |
JPS58149523U (en) | Acceleration smoke reduction device for internal combustion engine with exhaust brake | |
JPS59144157U (en) | Control device for secondary throttle valve in dual carburetor for supercharged internal combustion engine | |
JPS59144155U (en) | Control device for secondary throttle valve in dual carburetor for supercharged internal combustion engine | |
JPS58156155U (en) | Exhaust recirculation device | |
JPS59172229U (en) | Diesel engine intake system | |
JPS59135368U (en) | Evaporated fuel separation device for internal combustion engines | |
JPS59184360U (en) | engine intake device | |
JPS601925U (en) | Engine with auxiliary intake passage | |
JPS59190943U (en) | Intake air control device for internal combustion engine with turbocharger | |
JPS5939732U (en) | Internal combustion engine intake system | |
JPS60108752U (en) | Exhaust gas recirculation control device for internal combustion engines with superchargers |