JPH01173312U - - Google Patents
Info
- Publication number
- JPH01173312U JPH01173312U JP6442388U JP6442388U JPH01173312U JP H01173312 U JPH01173312 U JP H01173312U JP 6442388 U JP6442388 U JP 6442388U JP 6442388 U JP6442388 U JP 6442388U JP H01173312 U JPH01173312 U JP H01173312U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- exhaust
- exhaust gas
- muffler
- sound quality
- 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
- 238000007599 discharging Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Description
第１図は、本考案の排気音質切換装置付きマフ
ラ構造図、第２図は、バルブ配設のテールパイプ
の開口端の径を他のテールパイプの管径と同一に
した排気音質切換装置付きマフラ構造図である。
第３図は、バルブ開閉、及び、バルブの配設され
ていないテールパイプが太くされたことによる排
気音の周波数に対する音圧レベルの関係図である
。第４図は、従来の排気音消音のマフラ構造図で
ある。
１，１′……シエル、２，２′……隔壁、３，
３′……エキゾーストパイプ、４，６，４′，６
′……テールパイプ、５，５′……バルブ。
Figure 1 is a structural diagram of the muffler equipped with the exhaust sound quality switching device of the present invention, and Figure 2 is a structural diagram of the muffler equipped with the exhaust sound quality switching device of the present invention. It is a muffler structure diagram.
FIG. 3 is a diagram showing the relationship between the sound pressure level and the frequency of the exhaust sound caused by opening and closing the valve and by making the tail pipe without the valve thicker. FIG. 4 is a structural diagram of a conventional muffler for muffling exhaust noise. 1, 1'... Ciel, 2, 2'... Bulkhead, 3,
3'...Exhaust pipe, 4, 6, 4', 6
'...Tailpipe, 5,5'...Valve.
Claims (1)
がマフラに付設され、そのテールパイプのいずれ
かにバルブを配設し、該バルブの配設されたテー
ルパイプの管径よりその他のテールパイプの管径
を大きくし、バルブの開閉で排気音質が切換えら
れると共に、バルブが閉されたときでも排気ガス
の排圧でテールパイプを流れる排気ガスにより発
生する高周波数成分の気流音が低減されることを
特徴とする排気音質切換装置付きマフラ。 A plurality of tail pipes for discharging exhaust gas into the atmosphere are attached to the muffler, and a valve is installed in one of the tail pipes, and the diameter of the other tail pipes is larger than the diameter of the tail pipe where the valve is installed. is increased, the exhaust sound quality can be changed by opening and closing the valve, and even when the valve is closed, the exhaust pressure of the exhaust gas reduces the high frequency components of airflow noise generated by the exhaust gas flowing through the tailpipe. A muffler with an exhaust sound quality switching device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6442388U JPH01173312U (en) | 1988-05-18 | 1988-05-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6442388U JPH01173312U (en) | 1988-05-18 | 1988-05-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01173312U true JPH01173312U (en) | 1989-12-08 |
Family
ID=31289890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6442388U Pending JPH01173312U (en) | 1988-05-18 | 1988-05-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01173312U (en) |
-
1988
- 1988-05-18 JP JP6442388U patent/JPH01173312U/ja active Pending
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