JPH01174514U - - Google Patents
Info
- Publication number
- JPH01174514U JPH01174514U JP6982288U JP6982288U JPH01174514U JP H01174514 U JPH01174514 U JP H01174514U JP 6982288 U JP6982288 U JP 6982288U JP 6982288 U JP6982288 U JP 6982288U JP H01174514 U JPH01174514 U JP H01174514U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust system
- wall surface
- gas distribution
- distribution pipe
- exhaust gas
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Exhaust Silencers (AREA)
Description
第１図は一部を破断して示した本考案の第１実
施例の概略斜視図、第２図は第１図の要部を拡大
して示した断面図、第３図及び第４図は内壁面に
小凹凸１４を密に形成した排気ガス流通管及び平
滑な内壁面を有する排気ガス流通管の流通抵抗及
び騒音レベルを対比して示した夫々線図、第５図
は本考案の第２実施例を示す概略断面図である。
１０…排気管、１２…マフラ、１４…管内壁面
の小凹凸。
FIG. 1 is a partially cutaway schematic perspective view of the first embodiment of the present invention, FIG. 2 is an enlarged sectional view of the main part of FIG. 1, and FIGS. 3 and 4. Figure 5 is a diagram comparing the flow resistance and noise level of an exhaust gas distribution pipe with small irregularities 14 densely formed on the inner wall surface and an exhaust gas distribution pipe with a smooth inner wall surface, respectively. It is a schematic sectional view showing a 2nd example. 10...Exhaust pipe, 12...Muffler, 14...Small irregularities on the pipe inner wall surface.
Claims (1)
ガス流通管の内壁面に多数の小凹凸を設けたこと
を特徴とするエンジンの排気装置。 An exhaust system for an engine, characterized in that a large number of small irregularities are provided on the inner wall surface of at least a portion of an exhaust gas distribution pipe in an exhaust system including a muffler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6982288U JPH01174514U (en) | 1988-05-26 | 1988-05-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6982288U JPH01174514U (en) | 1988-05-26 | 1988-05-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01174514U true JPH01174514U (en) | 1989-12-12 |
Family
ID=31295095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6982288U Pending JPH01174514U (en) | 1988-05-26 | 1988-05-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01174514U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5937740B1 (en) * | 2015-10-09 | 2016-06-22 | 株式会社マツ・ショウ | Exhaust system for internal combustion engine |
| JP5937738B1 (en) * | 2015-10-08 | 2016-06-22 | 株式会社マツ・ショウ | Tail pipe for exhaust muffler |
| JP5937741B1 (en) * | 2015-10-09 | 2016-06-22 | 株式会社マツ・ショウ | Exhaust muffler for vehicles |
| JP5937737B1 (en) * | 2015-10-08 | 2016-06-22 | 株式会社マツ・ショウ | Exhaust muffler exhaust structure |
| JP2017025752A (en) * | 2015-07-21 | 2017-02-02 | アイシン高丘株式会社 | Exhaust gas circulation pipe and its manufacturing method |
| JP2017179398A (en) * | 2016-03-28 | 2017-10-05 | 新日鐵住金ステンレス株式会社 | Ferritic stainless steel sheet for exhaust manifold and exhaust manifold |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58148260A (en) * | 1982-02-27 | 1983-09-03 | Yamaha Motor Co Ltd | Intake and exhaust passages for internal-combustion engine |
-
1988
- 1988-05-26 JP JP6982288U patent/JPH01174514U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58148260A (en) * | 1982-02-27 | 1983-09-03 | Yamaha Motor Co Ltd | Intake and exhaust passages for internal-combustion engine |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017025752A (en) * | 2015-07-21 | 2017-02-02 | アイシン高丘株式会社 | Exhaust gas circulation pipe and its manufacturing method |
| JP5937738B1 (en) * | 2015-10-08 | 2016-06-22 | 株式会社マツ・ショウ | Tail pipe for exhaust muffler |
| JP5937737B1 (en) * | 2015-10-08 | 2016-06-22 | 株式会社マツ・ショウ | Exhaust muffler exhaust structure |
| JP5937740B1 (en) * | 2015-10-09 | 2016-06-22 | 株式会社マツ・ショウ | Exhaust system for internal combustion engine |
| JP5937741B1 (en) * | 2015-10-09 | 2016-06-22 | 株式会社マツ・ショウ | Exhaust muffler for vehicles |
| JP2017072106A (en) * | 2015-10-09 | 2017-04-13 | 株式会社マツ・ショウ | Exhaust system for internal combustion engine |
| JP2017072107A (en) * | 2015-10-09 | 2017-04-13 | 株式会社マツ・ショウ | Exhaust muffler for vehicle |
| TWI686532B (en) * | 2015-10-09 | 2020-03-01 | 日商馬自 修股份有限公司 | Exhaust system of internal combustion engine |
| JP2017179398A (en) * | 2016-03-28 | 2017-10-05 | 新日鐵住金ステンレス株式会社 | Ferritic stainless steel sheet for exhaust manifold and exhaust manifold |