JPS61179321U - - Google Patents
Info
- Publication number
- JPS61179321U JPS61179321U JP6372385U JP6372385U JPS61179321U JP S61179321 U JPS61179321 U JP S61179321U JP 6372385 U JP6372385 U JP 6372385U JP 6372385 U JP6372385 U JP 6372385U JP S61179321 U JPS61179321 U JP S61179321U
- Authority
- JP
- Japan
- Prior art keywords
- inner blade
- exhaust
- tube structure
- connects
- pipe
- 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 3
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Exhaust Silencers (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Description
図面は本考案の実施例を示すもので、第１図は
フレキシブルチユーブ構造の部分縦断面図、第２
図はインナブレードのブレード構造を示す図、第
３図は気流音の周波数特性図、第４図はインナブ
レードの開口率とバネ定数との関係を示す線図、
第５図はガス流速と開口率とをパラメータとして
気流発生域と気流音無発生域を示す説明図である
。
１Ａ…上流側排気管、１Ｂ…下流側排気管、２
…可撓パイプ、３…インナブレード。
The drawings show an embodiment of the present invention, and FIG. 1 is a partial vertical sectional view of the flexible tube structure, and FIG.
Figure 3 is a diagram showing the blade structure of the inner blade, Figure 3 is a frequency characteristic diagram of air flow sound, Figure 4 is a diagram showing the relationship between the aperture ratio and spring constant of the inner blade,
FIG. 5 is an explanatory diagram showing an airflow generation area and an airflow sound non-occurrence area using gas flow velocity and aperture ratio as parameters. 1A...upstream exhaust pipe, 1B...downstream exhaust pipe, 2
...Flexible pipe, 3...Inner blade.
Claims (1)
造において、上記両排気管を接続するジヤバラ状
の可撓パイプを設け、内部に排気流通路を形成す
る１枚のインナブレードを可撓パイプの内側に設
けてその上流側端部を上流側の排気管に接続し、
上記インナブレード周面の全表面積に対する開口
部全面積の割合を１．５〜３．５％の範囲に設定
したことを特徴とするエンジンのフレキシブルチ
ユーブ構造。 In a flexible tube structure that connects exhaust pipes, a bellows-shaped flexible pipe is provided that connects the two exhaust pipes, and an inner blade that forms an exhaust flow passage is provided inside the flexible pipe. Connect the upstream end to the upstream exhaust pipe,
A flexible tube structure for an engine, characterized in that the ratio of the total area of the opening to the total surface area of the inner blade circumferential surface is set in a range of 1.5 to 3.5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6372385U JPH0355778Y2 (en) | 1985-04-27 | 1985-04-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6372385U JPH0355778Y2 (en) | 1985-04-27 | 1985-04-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61179321U true JPS61179321U (en) | 1986-11-08 |
| JPH0355778Y2 JPH0355778Y2 (en) | 1991-12-12 |
Family
ID=30594142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6372385U Expired JPH0355778Y2 (en) | 1985-04-27 | 1985-04-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0355778Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007009866A (en) * | 2005-07-04 | 2007-01-18 | Hino Motors Ltd | Flexible joint structure for exhaust pipe |
-
1985
- 1985-04-27 JP JP6372385U patent/JPH0355778Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007009866A (en) * | 2005-07-04 | 2007-01-18 | Hino Motors Ltd | Flexible joint structure for exhaust pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0355778Y2 (en) | 1991-12-12 |