JPH027370U - - Google Patents
Info
- Publication number
- JPH027370U JPH027370U JP8398988U JP8398988U JPH027370U JP H027370 U JPH027370 U JP H027370U JP 8398988 U JP8398988 U JP 8398988U JP 8398988 U JP8398988 U JP 8398988U JP H027370 U JPH027370 U JP H027370U
- Authority
- JP
- Japan
- Prior art keywords
- relief groove
- stroke engine
- engine
- cylinder
- shape
- 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
- 241000234435 Lilium Species 0.000 claims 1
- 230000006837 decompression Effects 0.000 claims 1
- 239000000446 fuel Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Description
第１図ａは本考案の実施例の縦断面図、第１図
ｂは第１図ａの底面図、第２図は第１図ａのＡ―
Ａ断面図、第３図は２サイクルエンジンの縦断面
図、第４図は第３図の圧縮ガス漏洩溝部分の拡大
図、第５図乃至第９図は従来の圧縮ガス漏洩溝の
形状を示し、第３図のＢ―Ｂ矢視図である。
１……シリンダ、２……ピストン、６……排気
ポート、１２……点火プラグ、５……シリンダ筒
部、２０，２０′……掃気ポート、２１……逃が
し溝、１３……吸気ポート、２１ａ……逃げ溝の
狹窄部。
Fig. 1a is a longitudinal sectional view of the embodiment of the present invention, Fig. 1b is a bottom view of Fig. 1a, and Fig. 2 is A--A of Fig. 1a.
A sectional view, FIG. 3 is a longitudinal sectional view of a two-stroke engine, FIG. 4 is an enlarged view of the compressed gas leak groove portion in FIG. 3, and FIGS. 5 to 9 show the shape of the conventional compressed gas leak groove. and is a view taken along the line BB in FIG. 3. 1... Cylinder, 2... Piston, 6... Exhaust port, 12... Spark plug, 5... Cylinder tube section, 20, 20'... Scavenging port, 21... Relief groove, 13... Intake port, 21a...The narrowed part of the relief groove.
Claims (1)
部に減圧用の圧縮混合気逃がし溝を設けてなる減
圧構造に於いて、前記逃がし溝の途中にベンチユ
リ形状の挟窄部を設けたことを特徴とする２サイ
クルエンジンの減圧構造。 A two-stroke engine having a pressure reducing structure in which a compressed air-fuel mixture relief groove for pressure reduction is provided in the upper part of a scavenging port of a cylinder of a two-stroke engine, characterized in that a narrowed portion in the shape of a bench lily is provided in the middle of the relief groove. Engine decompression structure.
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8398988U JPH027370U (en) | 1988-06-27 | 1988-06-27 | |
| US07/353,322 US5054441A (en) | 1988-06-17 | 1989-05-15 | Decompression device in a two-cycle engine |
| DE89109670T DE68908027T2 (en) | 1988-06-17 | 1989-05-29 | Decompression device for two-stroke internal combustion engine. |
| EP89109670A EP0346675B1 (en) | 1988-06-17 | 1989-05-29 | Decompression device in a two-cycle engine |
| DE198989109670T DE346675T1 (en) | 1988-06-17 | 1989-05-29 | DECOMPRESSION DEVICE FOR TWO-STROKE COMBUSTION ENGINE. |
| CA000601157A CA1323309C (en) | 1988-06-17 | 1989-05-30 | Decompression device in a two-cycle engine |
| AU35888/89A AU605984B2 (en) | 1988-06-17 | 1989-05-31 | Decompression device in a two-cycle engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8398988U JPH027370U (en) | 1988-06-27 | 1988-06-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH027370U true JPH027370U (en) | 1990-01-18 |
Family
ID=31308695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8398988U Pending JPH027370U (en) | 1988-06-17 | 1988-06-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH027370U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5579279U (en) * | 1978-11-29 | 1980-05-31 |
-
1988
- 1988-06-27 JP JP8398988U patent/JPH027370U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5579279U (en) * | 1978-11-29 | 1980-05-31 |