JPS61134511U - - Google Patents
Info
- Publication number
- JPS61134511U JPS61134511U JP1898385U JP1898385U JPS61134511U JP S61134511 U JPS61134511 U JP S61134511U JP 1898385 U JP1898385 U JP 1898385U JP 1898385 U JP1898385 U JP 1898385U JP S61134511 U JPS61134511 U JP S61134511U
- Authority
- JP
- Japan
- Prior art keywords
- muffler
- resonance chamber
- exhaust
- tuning frequency
- automobile
- 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
Landscapes
- Exhaust Silencers (AREA)
Description
第１図ないし第３図は、本考案に係る自動車用
マフラのメインマフラを示し、第１図はその断面
図、第２図は第１図における―線断面図、第
３図はＡ矢視側面図である。第４図は、各種マフ
ラにおけるエンジン回転数と排気騒音レベルの関
係を示すグラフである。第５図は、メインマフラ
のみが設けられた場合における気柱共振の各次数
成分の気柱共振モード形状を示すグラフである。
第６図は、本考案に係る自動車用マフラのプリマ
フラの断面図である。第７図は、本考案に係る自
動車用マフラの排圧の低減効果を示すグラフであ
る。第８図は、従来の自動車用マフラの断面図を
示す図である。
２１……メインマフラ、３１……共鳴室、４１
……排気バルブ、４３……プリマフラ。
1 to 3 show a main muffler of an automobile muffler according to the present invention, FIG. 1 is a sectional view thereof, FIG. 2 is a sectional view taken along the line - in FIG. 1, and FIG. FIG. FIG. 4 is a graph showing the relationship between engine speed and exhaust noise level in various mufflers. FIG. 5 is a graph showing the air column resonance mode shape of each order component of air column resonance when only the main muffler is provided.
FIG. 6 is a sectional view of the primary muffler of the automobile muffler according to the present invention. FIG. 7 is a graph showing the exhaust pressure reduction effect of the automobile muffler according to the present invention. FIG. 8 is a cross-sectional view of a conventional automobile muffler. 21...Main muffler, 31...Resonance chamber, 41
...Exhaust valve, 43...Primary muffler.
Claims (1)
転数以上のときに開弁して該共鳴室内の排気を排
出する排気バルブを有するメインマフラと、共鳴
室構造であつて該共鳴室のチユーニング周波数を
前記メインマフラの共鳴室のチユーニング周波数
の略２倍にしたプリマフラと、を備えたことを特
徴とする自動車用マフラ。 A main muffler is provided with a resonance chamber and has an exhaust valve that opens when the engine speed exceeds a predetermined number to exhaust the exhaust gas in the resonance chamber; A muffler for an automobile, comprising: a pre-muffler having a tuning frequency approximately twice the tuning frequency of a resonance chamber of the muffler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1898385U JPS61134511U (en) | 1985-02-12 | 1985-02-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1898385U JPS61134511U (en) | 1985-02-12 | 1985-02-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61134511U true JPS61134511U (en) | 1986-08-22 |
Family
ID=30508129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1898385U Pending JPS61134511U (en) | 1985-02-12 | 1985-02-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61134511U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100293784B1 (en) * | 1997-09-09 | 2001-09-17 | 이계안 | Muffler |
| CN104564283A (en) * | 2013-10-15 | 2015-04-29 | 现代自动车株式会社 | Structure of exhaust system for cda engine |
-
1985
- 1985-02-12 JP JP1898385U patent/JPS61134511U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100293784B1 (en) * | 1997-09-09 | 2001-09-17 | 이계안 | Muffler |
| CN104564283A (en) * | 2013-10-15 | 2015-04-29 | 现代自动车株式会社 | Structure of exhaust system for cda engine |