JPH01127932U - - Google Patents
Info
- Publication number
- JPH01127932U JPH01127932U JP2319688U JP2319688U JPH01127932U JP H01127932 U JPH01127932 U JP H01127932U JP 2319688 U JP2319688 U JP 2319688U JP 2319688 U JP2319688 U JP 2319688U JP H01127932 U JPH01127932 U JP H01127932U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust port
- stroke engine
- opening
- scavenging
- cylinder head
- 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
- 230000002000 scavenging effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
第１図は本考案の第１実施例を示す断面図、第
２図は排気ポート開口部の他の形状を示す図、第
３図は本考案の第２実施例を示す断面図、第４図
はピストン第２実施例の頂面斜視図、第５図は本
考案の第３実施例を示す断面図、第６図および第
７図は排気制御弁先端の切欠部の形状を示す図、
第８図は従来例を示す断面図、第９図は従来例の
排気ポート開口部形状を示す図である。
１……排気ポート、３……シリンダブロツク、
４……掃気ポート、６……ピストン、７……シリ
ンダヘツド、８……燃焼室、１０……くぼみ、１
２……排気制御弁、１３……切欠部。
FIG. 1 is a sectional view showing the first embodiment of the present invention, FIG. 2 is a diagram showing another shape of the exhaust port opening, FIG. 3 is a sectional view showing the second embodiment of the present invention, and FIG. The figure is a top perspective view of the second embodiment of the piston, FIG. 5 is a sectional view showing the third embodiment of the present invention, FIGS. 6 and 7 are views showing the shape of the notch at the tip of the exhaust control valve,
FIG. 8 is a sectional view showing a conventional example, and FIG. 9 is a diagram showing the shape of an exhaust port opening in the conventional example. 1...Exhaust port, 3...Cylinder block,
4... Scavenging port, 6... Piston, 7... Cylinder head, 8... Combustion chamber, 10... Recess, 1
2... Exhaust control valve, 13... Notch.
Claims (1)
において、 前記排気ポートの開口部又は実質的開口部の断
面積を、シリンダヘツド方向に向けて除々に小さ
くなる如く構成したことを特徴とする２ストロー
クエンジン。[Claims for Utility Model Registration] In a two-stroke engine having a scavenging/exhaust port, the cross-sectional area of the opening or substantial opening of the exhaust port is configured to gradually become smaller in the direction of the cylinder head. Features a 2-stroke engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2319688U JPH01127932U (en) | 1988-02-24 | 1988-02-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2319688U JPH01127932U (en) | 1988-02-24 | 1988-02-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01127932U true JPH01127932U (en) | 1989-08-31 |
Family
ID=31241977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2319688U Pending JPH01127932U (en) | 1988-02-24 | 1988-02-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01127932U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0628236U (en) * | 1992-09-16 | 1994-04-15 | 川崎重工業株式会社 | Exhaust port shape of 2-cycle engine |
-
1988
- 1988-02-24 JP JP2319688U patent/JPH01127932U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0628236U (en) * | 1992-09-16 | 1994-04-15 | 川崎重工業株式会社 | Exhaust port shape of 2-cycle engine |
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