JPH0261126U - - Google Patents
Info
- Publication number
- JPH0261126U JPH0261126U JP14031188U JP14031188U JPH0261126U JP H0261126 U JPH0261126 U JP H0261126U JP 14031188 U JP14031188 U JP 14031188U JP 14031188 U JP14031188 U JP 14031188U JP H0261126 U JPH0261126 U JP H0261126U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- exhaust passage
- auxiliary
- auxiliary valve
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Description
第１図はこの考案の一実施例を示す２サイクル
エンジンの縦断面図、第２図は同平面断面図、第
３図は第２図の―線断面図、第４図は第３図
の―線矢視図、第５図は第３図の―線断
面図である。
１…シリンダヘツド、２…シリンダブロツク、
４ｂ…水ジヤケツト、６…シリンダ、７…主排気
通路、９…補助排気通路、１０…補助バルブ、１
０ｄ…軸部、１１…駆動装置、１２，１２ａ，１
２ｂ…シリンダ壁。
Fig. 1 is a longitudinal cross-sectional view of a two-stroke engine showing an embodiment of this invention, Fig. 2 is a cross-sectional view of the same plane, Fig. 3 is a cross-sectional view taken along the line - - of Fig. 2, and Fig. 4 is a cross-sectional view of Fig. 3. FIG. 5 is a sectional view taken along the line --- in FIG. 3. 1...Cylinder head, 2...Cylinder block,
4b...Water jacket, 6...Cylinder, 7...Main exhaust passage, 9...Auxiliary exhaust passage, 10...Auxiliary valve, 1
0d...Shaft portion, 11...Drive device, 12, 12a, 1
2b...Cylinder wall.
Claims (1)
ンダ内と上記主排気通路との間を補助的な排気通
路として連結する補助排気通路と、この補助排気
通路に設けられ、上記補助排気通路を開閉する円
柱形状の補助バルブと、この補助バルブをエンジ
ンの回転速度の変化に応じて駆動させる駆動装置
とを備え、上記補助バルブの軸部がシリンダブロ
ツクからシリンダヘツドを貫通して突出し、上記
シリンダヘツドの上方において上記駆動装置に連
結されてなる２サイクルエンジンの排気装置であ
つて、 上記補助バルブと上記シリンダとの間のシリン
ダ壁における上記補助排気通路の上下部に水ジヤ
ケツトを周方向から入り込ませて、この水ジヤケ
ツトとシリンダ間のシリンダ壁を局部的に薄肉に
することにより、上記水ジヤケツトを形成した２
サイクルエンジンの排気装置。[Claims for Utility Model Registration] A main exhaust passage communicating with the inside of the cylinder, an auxiliary exhaust passage connecting the inside of the cylinder and the main exhaust passage as an auxiliary exhaust passage, and a main exhaust passage provided in the auxiliary exhaust passage. , a cylindrical auxiliary valve that opens and closes the auxiliary exhaust passage, and a drive device that drives the auxiliary valve according to changes in engine rotational speed, the shaft of the auxiliary valve passing through the cylinder block and the cylinder head. An exhaust system for a two-stroke engine, which protrudes above the cylinder head and is connected to the drive device above the cylinder head, the exhaust system comprising: a cylinder wall between the auxiliary valve and the cylinder; 2. The water jacket is formed by inserting the jacket from the circumferential direction and locally thinning the cylinder wall between the water jacket and the cylinder.
Cycle engine exhaust system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14031188U JPH0543235Y2 (en) | 1988-10-26 | 1988-10-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14031188U JPH0543235Y2 (en) | 1988-10-26 | 1988-10-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0261126U true JPH0261126U (en) | 1990-05-07 |
| JPH0543235Y2 JPH0543235Y2 (en) | 1993-10-29 |
Family
ID=31404360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14031188U Expired - Lifetime JPH0543235Y2 (en) | 1988-10-26 | 1988-10-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0543235Y2 (en) |
-
1988
- 1988-10-26 JP JP14031188U patent/JPH0543235Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0543235Y2 (en) | 1993-10-29 |