JPH0442217U - - Google Patents
Info
- Publication number
- JPH0442217U JPH0442217U JP8342890U JP8342890U JPH0442217U JP H0442217 U JPH0442217 U JP H0442217U JP 8342890 U JP8342890 U JP 8342890U JP 8342890 U JP8342890 U JP 8342890U JP H0442217 U JPH0442217 U JP H0442217U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust
- cylinder
- slide valve
- exhaust passage
- backward
- 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
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Characterised By The Charging Evacuation (AREA)
Description
第１図乃至第７図は実施例であり、第１図は排
気時期制御装置の分解斜視図、第２図はそのＡ−
Ａ線断面図、第３図は要部の第１図Ｂ矢視図、第
４図は排気ポート上部の開状態をシリンダ内周面
側から示す図、第５図は第４図Ｃ−Ｃ線に沿う断
面図、第６図及び第７図は排気ポート上部の閉状
態を示すぞれぞれ第４図及び第５図に対応する図
である。
符号の説明、１……シリンダ、２……シリンダ
内周面、３……排気ポート、５……排気通路、６
……内部上壁、１３……円弧状制御面、２０……
ガイド筒、２１……ガイド穴。
Figures 1 to 7 show examples, Figure 1 is an exploded perspective view of the exhaust timing control device, and Figure 2 is its A-
3 is a cross-sectional view taken along line A, FIG. 3 is a view of the main part in the direction of arrow B in FIG. The cross-sectional views along the line, FIGS. 6 and 7, correspond to FIGS. 4 and 5, respectively, showing the closed state of the upper part of the exhaust port. Explanation of symbols, 1... Cylinder, 2... Cylinder inner peripheral surface, 3... Exhaust port, 5... Exhaust passage, 6
... Internal upper wall, 13 ... Arc-shaped control surface, 20 ...
Guide tube, 21...Guide hole.
Claims (1)
路と連通して設けられた排気ポート上部を開閉す
るためのものであつて、排気ポート上部近傍に排
気通路と交差する方向へ取付けられたガイド筒と
、このガイド筒内へ進退動自在に支持されるとと
もに排気通路側にシリンダ内周面と略同一曲率を
なす円弧状制御面が形成されたスライドバルブと
を備えた排気時期制御装置において、前記スライ
ドバルブは略Ｌ字状断面に形成され、かつ前記ガ
イド筒にはこのスライドバルブを進退動自在に嵌
合支持するための略Ｌ字状断面をなすガイド穴が
軸部長手方向へ形成されていることを特徴とする
２サイクルエンジンの排気時期制御装置。 A guide tube for opening and closing an upper part of an exhaust port provided on the inner circumferential surface of a cylinder of a two-cycle engine in communication with an exhaust passage, the guide tube being installed near the upper part of the exhaust port in a direction intersecting the exhaust passage; In the exhaust timing control device, the slide valve is provided with a slide valve that is supported so as to be movable forward and backward in the guide cylinder and has an arcuate control surface having substantially the same curvature as the inner circumferential surface of the cylinder on the exhaust passage side. is formed with a substantially L-shaped cross section, and a guide hole with a substantially L-shaped cross section is formed in the longitudinal direction of the shaft for fitting and supporting the slide valve so that it can move forward and backward. An exhaust timing control device for a two-stroke engine, characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8342890U JPH0442217U (en) | 1990-08-06 | 1990-08-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8342890U JPH0442217U (en) | 1990-08-06 | 1990-08-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0442217U true JPH0442217U (en) | 1992-04-09 |
Family
ID=31631091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8342890U Pending JPH0442217U (en) | 1990-08-06 | 1990-08-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0442217U (en) |
-
1990
- 1990-08-06 JP JP8342890U patent/JPH0442217U/ja active Pending