JPS63115530U - - Google Patents
Info
- Publication number
- JPS63115530U JPS63115530U JP783587U JP783587U JPS63115530U JP S63115530 U JPS63115530 U JP S63115530U JP 783587 U JP783587 U JP 783587U JP 783587 U JP783587 U JP 783587U JP S63115530 U JPS63115530 U JP S63115530U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- engine
- exhaust
- cam groove
- support shaft
- 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 claims 1
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Mechanically-Actuated Valves (AREA)
Description
第１図はこの考案の第１の実施例を示す縦断面
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―線断面図
、第５図はカム溝の他の形状を示す正面図、第６
図は第２の実施例を示す平面断面図、第７図は同
縦断面図、第８図は第３の実施例を示す縦断面図
、第９図は従来例の要部を示す縦断面図である。
１……エンジン本体、２……排気通路、３……
バルブ、５……支持軸、６……排気ポート、８…
…係合ピン、１０，１６，１７……駆動部材、１
０ｄ……カム溝、Ａ……排気。
Fig. 1 is a longitudinal sectional view showing the first embodiment of this invention, Fig. 2 is a sectional view of the same plane, Fig. 3 is a sectional view taken along the line - - of Fig. 2, and Fig. 4 is a - line sectional view of Fig. 3. A sectional view, FIG. 5 is a front view showing another shape of the cam groove, and FIG.
The figure is a plan sectional view showing the second embodiment, FIG. 7 is a longitudinal sectional view thereof, FIG. 8 is a longitudinal sectional view showing the third embodiment, and FIG. 9 is a longitudinal sectional view showing main parts of the conventional example. It is a diagram. 1...Engine body, 2...Exhaust passage, 3...
Valve, 5... Support shaft, 6... Exhaust port, 8...
...Engagement pin, 10, 16, 17...Drive member, 1
0d...Cam groove, A...Exhaust.
Claims (1)
ートの近傍において変えるバルブと、このバルブ
における排気の下流側の端部を回転自在に支持す
る支持軸と、上記バルブにおける上流側に係合し
、かつ、エンジンの回転速度の変化に応じて上記
バルブを上記支持軸の回りに回転させて、上記バ
ルブにより、上記排気通路の断面積を調節する駆
動部材とを備えた２サイクルエンジンの排気制御
装置。 (2) 上記駆動部材は、エンジンの回転速度の増
大に応じて回転され、かつ、その外周面にカム溝
が形成されてなり、上記バルブには、上記カム溝
に係合する係合ピンが固定されている実用新案登
録請求の範囲第１項に記載の２サイクルエンジン
の排気制御装置。[Scope of Claim for Utility Model Registration] (1) A valve that changes the cross-sectional area of the exhaust passage of the engine body near the exhaust port, a support shaft that rotatably supports the downstream end of the exhaust in this valve, and the above-mentioned a driving member that engages with the upstream side of the valve and rotates the valve around the support shaft in response to changes in engine rotational speed to adjust the cross-sectional area of the exhaust passage by the valve; Emission control device for 2-stroke engine. (2) The driving member is rotated in accordance with an increase in the rotational speed of the engine, and has a cam groove formed on its outer peripheral surface, and the valve has an engaging pin that engages with the cam groove. An exhaust gas control device for a two-stroke engine according to claim 1, which is a fixed utility model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP783587U JPS63115530U (en) | 1987-01-21 | 1987-01-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP783587U JPS63115530U (en) | 1987-01-21 | 1987-01-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63115530U true JPS63115530U (en) | 1988-07-26 |
Family
ID=30791660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP783587U Pending JPS63115530U (en) | 1987-01-21 | 1987-01-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63115530U (en) |
-
1987
- 1987-01-21 JP JP783587U patent/JPS63115530U/ja active Pending