JPH046522U - - Google Patents
Info
- Publication number
- JPH046522U JPH046522U JP4414990U JP4414990U JPH046522U JP H046522 U JPH046522 U JP H046522U JP 4414990 U JP4414990 U JP 4414990U JP 4414990 U JP4414990 U JP 4414990U JP H046522 U JPH046522 U JP H046522U
- Authority
- JP
- Japan
- Prior art keywords
- muffler
- valve body
- support device
- downstream
- rear cone
- 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
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Exhaust Silencers (AREA)
Description
第１図はこの考案の一実施例を示すマフラの縦
断面図、第２図は第１図の−線断面図、第３
図は第１図の−線断面図、第４図は駆動装置
を示す概略構成図、第５図は変形例を示す側面図
、第６図は従来のマフラの縦断面図である。
１０……マフラ、２０……マフラ本体、２１…
…デイフユーザ部、２２……ストレート部、２３
……リヤコーン部、３０……弁体、３１……上流
端部、４０……支持装置、４１……ピボツト軸、
６０……駆動装置。
Figure 1 is a vertical sectional view of a muffler showing an embodiment of this invention, Figure 2 is a sectional view taken along the - line in Figure 1, and Figure 3 is a sectional view taken along the line -
The figures are a sectional view taken along the line -- in FIG. 1, FIG. 4 is a schematic configuration diagram showing the drive device, FIG. 5 is a side view showing a modified example, and FIG. 6 is a longitudinal sectional view of a conventional muffler. 10...muffler, 20...muffler body, 21...
...Diff user section, 22...Straight section, 23
... Rear cone part, 30 ... Valve body, 31 ... Upstream end, 40 ... Support device, 41 ... Pivot shaft,
60... Drive device.
Claims (1)
このデイフユーザ部に連続する大径なストレート
部と、このストレート部から下流に向かつて窄ま
るリヤコーン部とを備えたマフラ本体を有する２
サイクルエンジンのマフラであつて、上記マフラ
本体に設けられ少なくとも上記リヤコーン部に沿
つた曲面を持つ半筒状の弁体と、この弁体の上流
端部において上記弁体を上記マフラ本体に回転自
在に支持する支持装置と、上記弁体をエンジンの
回転数の増大に応じて回転させる駆動装置とを備
えた２サイクルエンジンのマフラ。 (2) 請求項(1)において、上記支持装置は、マフ
ラ本体内を貫通しない一対のピボツト軸を有する
２サイクルエンジンのマフラ。[Scope of claim for utility model registration] (1) The differential user department expanding downstream,
2, which has a muffler main body that includes a large-diameter straight part that continues to this differential user part and a rear cone part that narrows toward the downstream from this straight part.
The muffler for a cycle engine includes a semi-cylindrical valve body provided in the muffler body and having a curved surface along at least the rear cone portion, and the valve body is rotatable with respect to the muffler body at an upstream end of the valve body. A muffler for a two-stroke engine, comprising: a support device that supports the valve body; and a drive device that rotates the valve body in response to an increase in engine speed. (2) A muffler for a two-stroke engine according to claim (1), wherein the support device has a pair of pivot shafts that do not penetrate inside the muffler body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4414990U JPH075223Y2 (en) | 1990-04-24 | 1990-04-24 | 2-cycle engine muffler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4414990U JPH075223Y2 (en) | 1990-04-24 | 1990-04-24 | 2-cycle engine muffler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH046522U true JPH046522U (en) | 1992-01-21 |
| JPH075223Y2 JPH075223Y2 (en) | 1995-02-08 |
Family
ID=31557192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4414990U Expired - Fee Related JPH075223Y2 (en) | 1990-04-24 | 1990-04-24 | 2-cycle engine muffler |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH075223Y2 (en) |
-
1990
- 1990-04-24 JP JP4414990U patent/JPH075223Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH075223Y2 (en) | 1995-02-08 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |