JPS6199618U - - Google Patents
Info
- Publication number
- JPS6199618U JPS6199618U JP18524884U JP18524884U JPS6199618U JP S6199618 U JPS6199618 U JP S6199618U JP 18524884 U JP18524884 U JP 18524884U JP 18524884 U JP18524884 U JP 18524884U JP S6199618 U JPS6199618 U JP S6199618U
- Authority
- JP
- Japan
- Prior art keywords
- chamber
- outlet pipe
- exhaust outlet
- exhaust
- opening
- 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
- 239000002184 metal Substances 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
- 230000030279 gene silencing Effects 0.000 description 1
Landscapes
- Exhaust Silencers (AREA)
Description
第１図および第２図はこの考案に係る消音装置
の一実施例を示した図であり、第１図はその断面
図、第２図は周波数領域と排気騒音レベルとの関
係を示したグラフ、第３ａ図および第３ｂ図はこ
の考案の他の実施例を示す図であり、第３ａ図は
その断面図、第３ｂ図は第３ａ図の絞り弁を駆動
させるアクチユエータを示すその断面図、第４図
は従来の消音装置を示すその概略断面図である。
２１……外筒、２５……第１室、２６……第２
室、２７……排気入口管、２８……第１排気出口
管（外管）、２９……第２排気出口管（内管），
２９Ｄ……多孔質金属管、３１，３７……制御手
段。
Figures 1 and 2 are diagrams showing an embodiment of the silencing device according to this invention, with Figure 1 being a cross-sectional view thereof, and Figure 2 being a graph showing the relationship between frequency range and exhaust noise level. , FIG. 3a and FIG. 3b are views showing other embodiments of this invention, FIG. 3a being a sectional view thereof, and FIG. 3b being a sectional view showing an actuator for driving the throttle valve of FIG. 3a. FIG. 4 is a schematic cross-sectional view showing a conventional muffler. 21...Outer cylinder, 25...First chamber, 26...Second
chamber, 27...exhaust inlet pipe, 28...first exhaust outlet pipe (outer pipe), 29...second exhaust outlet pipe (inner pipe),
29D... Porous metal tube, 31, 37... Control means.
Claims (1)
れた外筒と、第１室を貫通して第２室に開口する
排気入口管と、第２室を貫通して第１室に開口す
る外菅とこの外管内に挿入されるとともにその後
端部を多孔質金属管で形成した内管とからなる排
気出口管と、前記多孔質金属管より上流に設けら
れ、エンジンの回転数が所定値より低い場合に該
排気出口管の通路断面積を減少させる制御手段と
、を備えたことを特徴とする消音装置。 an outer cylinder defining at least a first chamber and a second chamber therein; an exhaust inlet pipe penetrating the first chamber and opening into the second chamber; and an exhaust inlet pipe penetrating the second chamber and opening into the first chamber. an exhaust outlet pipe consisting of an outer tube and an inner tube inserted into the outer tube and having a rear end formed of a porous metal tube; and control means for reducing the passage cross-sectional area of the exhaust outlet pipe when the exhaust outlet pipe is lower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18524884U JPH0224890Y2 (en) | 1984-12-05 | 1984-12-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18524884U JPH0224890Y2 (en) | 1984-12-05 | 1984-12-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6199618U true JPS6199618U (en) | 1986-06-25 |
| JPH0224890Y2 JPH0224890Y2 (en) | 1990-07-09 |
Family
ID=30742725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18524884U Expired JPH0224890Y2 (en) | 1984-12-05 | 1984-12-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0224890Y2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005240621A (en) * | 2004-02-25 | 2005-09-08 | Honda Motor Co Ltd | Muffler |
| JP2016183582A (en) * | 2015-03-26 | 2016-10-20 | 本田技研工業株式会社 | Silencer |
| WO2022180743A1 (en) * | 2021-02-25 | 2022-09-01 | 本田技研工業株式会社 | Engine muffler, v engine, and work machine |
| WO2023026788A1 (en) * | 2021-08-27 | 2023-03-02 | 富士フイルム株式会社 | Ventilated silencer |
-
1984
- 1984-12-05 JP JP18524884U patent/JPH0224890Y2/ja not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005240621A (en) * | 2004-02-25 | 2005-09-08 | Honda Motor Co Ltd | Muffler |
| JP2016183582A (en) * | 2015-03-26 | 2016-10-20 | 本田技研工業株式会社 | Silencer |
| WO2022180743A1 (en) * | 2021-02-25 | 2022-09-01 | 本田技研工業株式会社 | Engine muffler, v engine, and work machine |
| WO2023026788A1 (en) * | 2021-08-27 | 2023-03-02 | 富士フイルム株式会社 | Ventilated silencer |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0224890Y2 (en) | 1990-07-09 |