JPS61122315U - - Google Patents
Info
- Publication number
- JPS61122315U JPS61122315U JP601085U JP601085U JPS61122315U JP S61122315 U JPS61122315 U JP S61122315U JP 601085 U JP601085 U JP 601085U JP 601085 U JP601085 U JP 601085U JP S61122315 U JPS61122315 U JP S61122315U
- Authority
- JP
- Japan
- Prior art keywords
- chamber
- outlet end
- exhaust
- porous
- inlet
- 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
- 230000030279 gene silencing Effects 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Exhaust Silencers (AREA)
Description
第１図〜第３図はこの考案に係る排気消音装置
の一実施例を示す図であり、第１図はその断面図
、第２図Ａ，Ｂ，Ｃはエンジンの回転数、または
、エンジン回転数とギヤ位置、またはエンジン回
転数とギヤ位置と負荷状態に基づいて、開閉弁を
開閉する開閉条件をそれぞれ説明する各説明図、
第３図はエンジン回転数と排気騒音レベルとの関
係を示すグラフ、第４図はこの考案の他の実施例
を示す断面図、第５図は従来の排気消音装置を示
すその断面図である。
１１，３４……外筒、１５，３１，３２……第
１室、１６，３３……第２室、１７，３７……第
１多孔管、１７Ａ……入口端、１７Ｂ，３７Ｂ…
…出口端、１７Ｃ，３７Ａ……小孔、１８……排
気入口管、２０，３６……第２多孔管、２０Ａ…
…入口端、２０Ｂ……出口端、２０Ｃ，３６Ａ…
…小孔、２１……排気出口管、１９，２２，２３
，２５〜２９，３８〜４３……弁機構。
1 to 3 are diagrams showing one embodiment of the exhaust silencing device according to this invention. FIG. 1 is a cross-sectional view thereof, and FIGS. 2 A, B, and C show the engine speed or Explanatory diagrams each explaining the opening/closing conditions for opening and closing the on-off valve based on the rotation speed and gear position, or the engine rotation speed, gear position, and load condition,
Fig. 3 is a graph showing the relationship between engine speed and exhaust noise level, Fig. 4 is a sectional view showing another embodiment of this invention, and Fig. 5 is a sectional view showing a conventional exhaust silencing device. . 11, 34... Outer cylinder, 15, 31, 32... First chamber, 16, 33... Second chamber, 17, 37... First porous pipe, 17A... Inlet end, 17B, 37B...
...Outlet end, 17C, 37A...Small hole, 18...Exhaust inlet pipe, 20,36...Second porous pipe, 20A...
...Inlet end, 20B...Outlet end, 20C, 36A...
...Small hole, 21...Exhaust outlet pipe, 19, 22, 23
, 25-29, 38-43... Valve mechanism.
Claims (1)
れた外筒と、その入口端が排気入口管に接続され
その出口端が第２室に開口するとともに、第１室
に連通する多数の小孔を形成した第１多孔管と、
第２室を貫通してその入口端が第１室に開口し、
その出口端が外部に開放されるとともに、第２室
に連通する多数の小孔を形成した第２多孔管と、
を備えた排気消音装置において、内燃機関の運転
状態に応じて前記第１多孔管の出口端側を開閉制
御する弁機構を設けたことを特徴とする排気消音
装置。 An outer cylinder having at least a first chamber and a second chamber defined therein, an inlet end of which is connected to an exhaust inlet pipe, an outlet end of which opens into the second chamber, and a number of small chambers communicating with the first chamber. a first porous tube with holes formed therein;
penetrating the second chamber with its inlet end opening into the first chamber;
a second porous pipe whose outlet end is open to the outside and has a number of small holes communicating with the second chamber;
An exhaust silencing device comprising: a valve mechanism for controlling opening and closing of the outlet end of the first porous pipe according to the operating state of the internal combustion engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP601085U JPS61122315U (en) | 1985-01-18 | 1985-01-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP601085U JPS61122315U (en) | 1985-01-18 | 1985-01-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61122315U true JPS61122315U (en) | 1986-08-01 |
Family
ID=30483055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP601085U Pending JPS61122315U (en) | 1985-01-18 | 1985-01-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61122315U (en) |
-
1985
- 1985-01-18 JP JP601085U patent/JPS61122315U/ja active Pending