JPH0442209U - - Google Patents
Info
- Publication number
- JPH0442209U JPH0442209U JP8369990U JP8369990U JPH0442209U JP H0442209 U JPH0442209 U JP H0442209U JP 8369990 U JP8369990 U JP 8369990U JP 8369990 U JP8369990 U JP 8369990U JP H0442209 U JPH0442209 U JP H0442209U
- Authority
- JP
- Japan
- Prior art keywords
- hole
- porous body
- exhaust
- silencer characterized
- holes
- 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
- 230000003584 silencer Effects 0.000 claims description 4
- 230000030279 gene silencing Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
Landscapes
- Exhaust Silencers (AREA)
Description
第１図は本考案の実施例に係わり、消音装置を
設けた排気系の側面図である。第２図は第１図の
Ａ部拡大図である。第３図は第１図の排気系にお
ける気柱共振の音圧モードの説明図である。第４
図は本考案の他の実施例に係わり、消音装置を設
けた排気マニホールドの側面図である。第５図は
本考案のさらに他の実施例に係わり、消音装置を
設けた排気マニホールドの側面図である。第６図
は従来における排気系の側面図である。
主要な部分の符号の説明、４……排気管、７…
…孔部、８……多孔質体。
FIG. 1 is a side view of an exhaust system provided with a silencing device according to an embodiment of the present invention. FIG. 2 is an enlarged view of section A in FIG. FIG. 3 is an explanatory diagram of the sound pressure mode of air column resonance in the exhaust system of FIG. 1. Fourth
The figure is a side view of an exhaust manifold equipped with a silencer according to another embodiment of the present invention. FIG. 5 is a side view of an exhaust manifold provided with a silencing device according to still another embodiment of the present invention. FIG. 6 is a side view of a conventional exhaust system. Explanation of symbols of main parts, 4...exhaust pipe, 7...
...pore, 8...porous body.
Claims (1)
を配設したことを特徴とする消音装置。 (2) 多孔質体は排気管内における気柱共振の低
次数の音圧モードの腹の位置にあることを特徴と
する請求項１記載の消音装置。 (3) 排気マニホールドの、エンジンの各排気ポ
ートに接続される複数の分岐管に孔部を設け、こ
の孔部に多孔質体を配設したことを特徴とする消
音装置。 (4) 排気マニホールドの、エンジンの各排気ポ
ートに接続される複数の分岐管が集まる集合部に
孔部を設け、この孔部に多孔質体を配設したこと
を特徴とする消音装置。[Claims for Utility Model Registration] (1) A silencer characterized in that an exhaust pipe is provided with a hole, and a porous body is provided in the hole. (2) The muffling device according to claim 1, wherein the porous body is located at the antinode of a low-order sound pressure mode of air column resonance in the exhaust pipe. (3) A silencer characterized in that a plurality of branch pipes of an exhaust manifold connected to exhaust ports of an engine are provided with holes, and a porous body is disposed in the holes. (4) A silencer characterized in that a hole is provided in an exhaust manifold where a plurality of branch pipes connected to each exhaust port of the engine gather, and a porous body is disposed in the hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8369990U JPH0442209U (en) | 1990-08-06 | 1990-08-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8369990U JPH0442209U (en) | 1990-08-06 | 1990-08-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0442209U true JPH0442209U (en) | 1992-04-09 |
Family
ID=31631582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8369990U Pending JPH0442209U (en) | 1990-08-06 | 1990-08-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0442209U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014070534A (en) * | 2012-09-28 | 2014-04-21 | Toyota Motor Corp | Resonance restraining device for exhaust pipe |
-
1990
- 1990-08-06 JP JP8369990U patent/JPH0442209U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014070534A (en) * | 2012-09-28 | 2014-04-21 | Toyota Motor Corp | Resonance restraining device for exhaust pipe |