JPH0352366U - - Google Patents
Info
- Publication number
- JPH0352366U JPH0352366U JP11355989U JP11355989U JPH0352366U JP H0352366 U JPH0352366 U JP H0352366U JP 11355989 U JP11355989 U JP 11355989U JP 11355989 U JP11355989 U JP 11355989U JP H0352366 U JPH0352366 U JP H0352366U
- Authority
- JP
- Japan
- Prior art keywords
- passage
- exhaust
- pressure
- engine
- way 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 2
- 238000010586 diagram Methods 0.000 description 10
Landscapes
- Exhaust-Gas Circulating Devices (AREA)
Description
第１図は第１の実施例の全体構成図、第２図は
シリンダヘツド内壁面の底面図、第３図は２サイ
クル機関の側面断面図、第４図はエアブラスト弁
の一部断面側面図、第５図は一方向弁の縦断面図
、第６図は第５図の−線に沿つてみた断面図
、第７図は給排気弁の開閉弁時期を示す線図、第
８図は第２の実施例の全体構成図、第９図は第２
の実施例の４気筒の開閉弁時期を示すタイムチヤ
ート、第１０図は第３の実施例の全体構成図、第
１１図は第３の実施例の給排気弁の開閉弁時期を
示す線図、第１２図は第４の実施例の全体構成図
、第１３図および第１４図は第４の実施例の排気
ポート部を示す図、第１５図は第５の実施例の排
気ポート部を示す図、第１６図は第６の実施例の
排気ポート部を示す図である。
４１……サージタンク、５４……排気管、５５
……ＥＧＲ管、５７……一方向弁。
Fig. 1 is an overall configuration diagram of the first embodiment, Fig. 2 is a bottom view of the inner wall surface of the cylinder head, Fig. 3 is a side sectional view of the two-stroke engine, and Fig. 4 is a partially sectional side view of the air blast valve. Figure 5 is a longitudinal sectional view of the one-way valve, Figure 6 is a sectional view taken along the - line in Figure 5, Figure 7 is a line diagram showing the opening/closing timing of the supply and exhaust valve, and Figure 8. is an overall configuration diagram of the second embodiment, and FIG. 9 is a diagram of the second embodiment.
Fig. 10 is an overall configuration diagram of the third embodiment, and Fig. 11 is a diagram showing the opening/closing timing of the supply and exhaust valves of the third embodiment. , FIG. 12 is an overall configuration diagram of the fourth embodiment, FIGS. 13 and 14 are diagrams showing the exhaust port section of the fourth embodiment, and FIG. 15 is a diagram showing the exhaust port section of the fifth embodiment. The figure shown in FIG. 16 is a diagram showing the exhaust port portion of the sixth embodiment. 41...Surge tank, 54...Exhaust pipe, 55
...EGR pipe, 57...one-way valve.
Claims (1)
機関排気通路とを連結する排気ガス再循環通路内
に前記排気通路から前記給気通路に向かう流れだ
けを許容する一方向弁を設け、該一方向弁は前記
排気通路内の圧力が前記給気通路内の圧力より予
め定められた圧力だけ高くなつたときに開弁せし
めるようにした２サイクル内燃機関の排気ガス再
循環装置。 In a two-stroke internal combustion engine, a one-way valve is provided in an exhaust gas recirculation passage that connects an engine air supply passage and an engine exhaust passage, and the one-way valve allows only flow from the exhaust passage to the air intake passage; An exhaust gas recirculation device for a two-stroke internal combustion engine, wherein the valve is opened when the pressure in the exhaust passage becomes higher than the pressure in the air supply passage by a predetermined pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11355989U JPH0352366U (en) | 1989-09-29 | 1989-09-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11355989U JPH0352366U (en) | 1989-09-29 | 1989-09-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0352366U true JPH0352366U (en) | 1991-05-21 |
Family
ID=31661970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11355989U Pending JPH0352366U (en) | 1989-09-29 | 1989-09-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0352366U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100018455A (en) * | 2008-08-06 | 2010-02-17 | 바르질라 스위츠랜드 리미티드 | Device for extracting a partial exhaust flow and internal combustion engine comprising said device |
-
1989
- 1989-09-29 JP JP11355989U patent/JPH0352366U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100018455A (en) * | 2008-08-06 | 2010-02-17 | 바르질라 스위츠랜드 리미티드 | Device for extracting a partial exhaust flow and internal combustion engine comprising said device |
| JP2010038164A (en) * | 2008-08-06 | 2010-02-18 | Waertsilae Switzerland Ltd | Partial exhaust flow extracting device and internal combustion engine equipped therewith |
| JP2014122639A (en) * | 2008-08-06 | 2014-07-03 | Waertsilae Switzerland Ltd | Partial exhaust flow extracting device, and internal combustion engine including the same |
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