JPH01136666U - - Google Patents
Info
- Publication number
- JPH01136666U JPH01136666U JP3319188U JP3319188U JPH01136666U JP H01136666 U JPH01136666 U JP H01136666U JP 3319188 U JP3319188 U JP 3319188U JP 3319188 U JP3319188 U JP 3319188U JP H01136666 U JPH01136666 U JP H01136666U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust
- valve
- intake
- passage
- during
- 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 5
- 238000010586 diagram Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification 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)
- Output Control And Ontrol Of Special Type Engine (AREA)
Description
第１図は本考案による排気ガス再循環装置を装
着した内燃機関を示す構成図、第２図は第１図の
排気制御弁の近傍の詳細断面図、第３図は排気弁
を吸気行程に開弁させることのできるカムを示す
平面図、第４図は第３図のカムによる排気弁の開
弁特性を示す図、第５図は燃焼室内の吸気スワー
ルと排気スワールの形成を示す図、第６図は第５
図の平面断面、第７図は第５図の構成の変形例を
示す図である。
１２……燃焼室、１４，１６……吸気ポート、
１８，２０……排気ポート、２２，２４……吸気
弁、２６，２８……排気弁、３６……排気マニホ
ールド、４０……排気制御弁、４４……全開排気
弁。
Fig. 1 is a configuration diagram showing an internal combustion engine equipped with an exhaust gas recirculation device according to the present invention, Fig. 2 is a detailed sectional view of the vicinity of the exhaust control valve in Fig. 1, and Fig. 3 is a diagram showing the exhaust valve in the intake stroke. FIG. 4 is a plan view showing a cam that can open the valve; FIG. 4 is a diagram showing the opening characteristics of the exhaust valve by the cam in FIG. 3; FIG. 5 is a diagram showing the formation of intake swirl and exhaust swirl in the combustion chamber; Figure 6 is the 5th
The plane cross section of the figure, FIG. 7, is a diagram showing a modification of the configuration of FIG. 5. 12... Combustion chamber, 14, 16... Intake port,
18, 20... Exhaust port, 22, 24... Intake valve, 26, 28... Exhaust valve, 36... Exhaust manifold, 40... Exhaust control valve, 44... Fully open exhaust valve.
Claims (1)
該吸気通路と排気通路にはそれぞれ機関と同期し
て作動する吸気弁及び排気弁を配置し、該排気弁
が排気行程ばかりでなく吸気行程の後半の期間に
も開弁するように構成されるとともに、該排気通
路には流量調節可能な排気制御弁を配置し、背気
弁下流側の背圧を制御することを特徴とする内燃
機関の排気ガス再循環装置。 It has an intake passage and an exhaust passage that communicate with the combustion chamber,
An intake valve and an exhaust valve that operate in synchronization with the engine are arranged in the intake passage and the exhaust passage, respectively, and the exhaust valve is configured to open not only during the exhaust stroke but also during the latter half of the intake stroke. An exhaust gas recirculation system for an internal combustion engine, characterized in that an exhaust control valve capable of adjusting a flow rate is disposed in the exhaust passage to control back pressure downstream of the back air valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3319188U JPH01136666U (en) | 1988-03-15 | 1988-03-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3319188U JPH01136666U (en) | 1988-03-15 | 1988-03-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01136666U true JPH01136666U (en) | 1989-09-19 |
Family
ID=31259850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3319188U Pending JPH01136666U (en) | 1988-03-15 | 1988-03-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01136666U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003074416A (en) * | 2001-09-04 | 2003-03-12 | Toyota Motor Corp | Method for egr operation between cylinders of multiple cylinder internal combustion engine |
| JP2013050032A (en) * | 2011-08-30 | 2013-03-14 | Daihatsu Motor Co Ltd | Internal combustion engine |
-
1988
- 1988-03-15 JP JP3319188U patent/JPH01136666U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003074416A (en) * | 2001-09-04 | 2003-03-12 | Toyota Motor Corp | Method for egr operation between cylinders of multiple cylinder internal combustion engine |
| JP4635397B2 (en) * | 2001-09-04 | 2011-02-23 | トヨタ自動車株式会社 | Inter-cylinder EGR operation method of multi-cylinder internal combustion engine |
| JP2013050032A (en) * | 2011-08-30 | 2013-03-14 | Daihatsu Motor Co Ltd | Internal combustion engine |