JPS6369761U - - Google Patents
Info
- Publication number
- JPS6369761U JPS6369761U JP16231586U JP16231586U JPS6369761U JP S6369761 U JPS6369761 U JP S6369761U JP 16231586 U JP16231586 U JP 16231586U JP 16231586 U JP16231586 U JP 16231586U JP S6369761 U JPS6369761 U JP S6369761U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust gas
- supply port
- throttle valve
- gas supply
- recirculation device
- 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
- 241000234435 Lilium Species 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims 2
- 230000003134 recirculating effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000000873 masking effect Effects 0.000 description 1
Landscapes
- Exhaust-Gas Circulating Devices (AREA)
Description
第１図は本考案の第１実施例の上面図、第２図
は第１図をＡ方向から見た図、第３図はエンジン
が１６００ｒ．ｐ．ｍ．空燃比１４．７の場合に
おける各気筒のＥＧＲ率を示すグラフ、第４図は
同じくエンジンが２４００ｒ．ｐ．ｍ．空燃比１
４．７の場合における各気筒のＥＧＲ率を示すグ
ラフ、第５図はＥＧＲ率とトルク変動率との関係
を示すグラス第６図は本考案の第２実施例を示す
第２図と同様な図、第７図は従来の排気還流装置
の一例を示す略図、第８図は同じく他の例を示す
略図である。
１…シリンダヘツド、２…インテークマニホル
ド、３…吸気通路、４…スロツトル弁、５…排気
ガス供給口、６…ＥＧＲ弁、７…ベンチユリ部、
７ａ…分岐壁、８…バイパス通路、９…マスキン
グ。
FIG. 1 is a top view of the first embodiment of the present invention, FIG. 2 is a view of FIG. 1 viewed from direction A, and FIG. 3 is a top view of the first embodiment of the present invention. p. m. FIG. 4 is a graph showing the EGR rate of each cylinder when the air-fuel ratio is 14.7. Similarly, the engine is running at 2400 rpm. p. m. air fuel ratio 1
Figure 5 is a graph showing the EGR rate of each cylinder in the case of 4.7, and Figure 6 is a graph showing the relationship between the EGR rate and torque fluctuation rate. Figure 6 is similar to Figure 2 showing the second embodiment of the present invention. FIG. 7 is a schematic diagram showing an example of a conventional exhaust gas recirculation device, and FIG. 8 is a schematic diagram showing another example. 1... Cylinder head, 2... Intake manifold, 3... Intake passage, 4... Throttle valve, 5... Exhaust gas supply port, 6... EGR valve, 7... Bench lily part,
7a... Branch wall, 8... Bypass passage, 9... Masking.
Claims (1)
気ガスを還流させるための排気ガス供給口を開口
させた排気ガス還流装置において、前記排気ガス
供給口を前記スロツトル弁の下流側に開口させ、
該排気ガス供給口に近接してその上流側にベンチ
ユリ部を形成し、前記スロツトル弁の上流側から
分岐し該ベンチユリ部で合流する吸気のバイパス
通路を設けたことを特徴とする排気ガス還流装置
。 In an exhaust gas recirculation device in which an exhaust gas supply port for recirculating exhaust gas is opened in an engine intake passage provided with a throttle valve, the exhaust gas supply port is opened downstream of the throttle valve,
An exhaust gas recirculation device characterized in that a bench lily portion is formed close to and upstream of the exhaust gas supply port, and an intake bypass passage is provided that branches from the upstream side of the throttle valve and joins at the bench lily portion. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16231586U JPS6369761U (en) | 1986-10-24 | 1986-10-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16231586U JPS6369761U (en) | 1986-10-24 | 1986-10-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6369761U true JPS6369761U (en) | 1988-05-11 |
Family
ID=31089461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16231586U Pending JPS6369761U (en) | 1986-10-24 | 1986-10-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6369761U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019113032A (en) * | 2017-12-26 | 2019-07-11 | 株式会社マーレ フィルターシステムズ | Intake manifold for internal combustion engine |
-
1986
- 1986-10-24 JP JP16231586U patent/JPS6369761U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019113032A (en) * | 2017-12-26 | 2019-07-11 | 株式会社マーレ フィルターシステムズ | Intake manifold for internal combustion engine |
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