JPH03119535U - - Google Patents
Info
- Publication number
- JPH03119535U JPH03119535U JP2999390U JP2999390U JPH03119535U JP H03119535 U JPH03119535 U JP H03119535U JP 2999390 U JP2999390 U JP 2999390U JP 2999390 U JP2999390 U JP 2999390U JP H03119535 U JPH03119535 U JP H03119535U
- Authority
- JP
- Japan
- Prior art keywords
- valve body
- exhaust port
- exhaust
- tip
- engine speed
- 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
- 230000007423 decrease Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Characterised By The Charging Evacuation (AREA)
Description
第１図は、第２図の要部概念図、第２図はこの
考案に係わる排気制御装置を装着した２サイクル
エンジンの要部概念断面図、第３図は従来の排気
制御装置を装着した２サイクルエンジンの要部概
念断面図、第４図は第３図の要部概念図、第５図
は従来の排気制御装置を装着した２サイクルエン
ジンの要部概念断面図である。
３……排気通路、３ａ……上壁、６……排気口
、２０……排気制御装置、２１……弁体、２１ａ
……先端、２１ｂ……切り欠、３０……２サイク
ルエンジン。
Figure 1 is a conceptual diagram of the main parts of Figure 2, Figure 2 is a conceptual cross-sectional view of the main parts of a two-stroke engine equipped with the exhaust control device according to this invention, and Figure 3 is a conceptual diagram of the main parts of a 2-cycle engine equipped with the conventional exhaust control device. FIG. 4 is a conceptual cross-sectional view of the main parts of a two-stroke engine, FIG. 4 is a conceptual cross-sectional view of the main parts of FIG. 3, and FIG. 5 is a conceptual cross-sectional view of the main parts of a two-stroke engine equipped with a conventional exhaust control device. 3...Exhaust passage, 3a...Top wall, 6...Exhaust port, 20...Exhaust control device, 21...Valve body, 21a
... Tip, 21b ... Notch, 30 ... 2-cycle engine.
Claims (1)
有し、該弁体をエンジン回転数低下に伴つて排気
口側へ突出させ該排気口の上縁位置を前記弁体の
先端により下降させるとともに、前記弁体をエン
ジン回転数上昇に伴つて前記排気口側から退避さ
せ該排気口の上縁位置を上昇させるようにした２
サイクルエンジンの排気制御装置において、 前記弁体の先端に切り欠を形成するようにした
ことを特徴とする２サイクルエンジンの排気制御
装置。[Scope of Claim for Utility Model Registration] A valve body is provided on the upper wall of the exhaust passage so as to be retractable, and the valve body is projected toward the exhaust port side as the engine speed decreases, and the upper edge of the exhaust port is The position of the valve body is lowered by the tip of the valve body, and as the engine speed increases, the valve body is retracted from the exhaust port side to raise the upper edge position of the exhaust port.
An exhaust gas control device for a two-stroke engine, characterized in that a notch is formed at the tip of the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2999390U JPH03119535U (en) | 1990-03-23 | 1990-03-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2999390U JPH03119535U (en) | 1990-03-23 | 1990-03-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03119535U true JPH03119535U (en) | 1991-12-10 |
Family
ID=31532736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2999390U Pending JPH03119535U (en) | 1990-03-23 | 1990-03-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03119535U (en) |
-
1990
- 1990-03-23 JP JP2999390U patent/JPH03119535U/ja active Pending