JPH01173406U - - Google Patents
Info
- Publication number
- JPH01173406U JPH01173406U JP6869488U JP6869488U JPH01173406U JP H01173406 U JPH01173406 U JP H01173406U JP 6869488 U JP6869488 U JP 6869488U JP 6869488 U JP6869488 U JP 6869488U JP H01173406 U JPH01173406 U JP H01173406U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust
- muffler
- duct
- tailpipe
- sound
- 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
- 230000030279 gene silencing Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000005192 partition Methods 0.000 description 1
Landscapes
- Exhaust Silencers (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Description
第１図は、本考案の排気干渉音発生器による消
音装置、概略構造図、第２図は、その車両後部よ
り見たトランクルームの一部をスピーカボツクス
にした消音装置概略構造図である。第３図は、排
気音の騒音に対する排気干渉音の発生形態図であ
る。第４図は従来の干渉型消音原理説明図である
。
１……マフラ、２……エンジン、３……テール
パイプ、４……ダクト、５……トランクルーム、
５′……仕切壁、６……スピーカ。
FIG. 1 is a schematic structural diagram of a silencing device using an exhaust interference sound generator of the present invention, and FIG. 2 is a schematic structural diagram of a silencing device in which a part of the trunk room is used as a speaker box, as seen from the rear of the vehicle. FIG. 3 is a diagram illustrating the generation form of exhaust interference noise with respect to exhaust noise. FIG. 4 is an explanatory diagram of the conventional interference type noise reduction principle. 1...muffler, 2...engine, 3...tail pipe, 4...duct, 5...trunk room,
5'...Partition wall, 6...Speaker.
Claims (1)
ラにおいて、排気ガスをマフラより大気中へ導出
させるテールパイプの開口端に並設開口するダク
トが形成され、該ダクトを通してテールパイプか
ら出る音圧と位相が、１８０度ずれた排気干渉音
を発生する排気干渉音発生器がトランクルームに
設備されたことを特徴とする排気干渉音発生器に
よる消音装置。 In a muffler that muffles the exhaust noise emitted from an engine, a duct is formed in parallel to the open end of a tailpipe that guides exhaust gas from the muffler into the atmosphere, and the sound pressure and phase of the sound coming out of the tailpipe are controlled through the duct. , a silencing device using an exhaust interference sound generator, characterized in that an exhaust interference sound generator that generates exhaust interference sound shifted by 180 degrees is installed in a trunk room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6869488U JPH01173406U (en) | 1988-05-26 | 1988-05-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6869488U JPH01173406U (en) | 1988-05-26 | 1988-05-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01173406U true JPH01173406U (en) | 1989-12-08 |
Family
ID=31293998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6869488U Pending JPH01173406U (en) | 1988-05-26 | 1988-05-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01173406U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993022763A1 (en) * | 1992-05-01 | 1993-11-11 | Fujitsu Ten Limited | Noise control device |
| JPH06289879A (en) * | 1992-05-01 | 1994-10-18 | Fujitsu Ten Ltd | Noise controller |
-
1988
- 1988-05-26 JP JP6869488U patent/JPH01173406U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993022763A1 (en) * | 1992-05-01 | 1993-11-11 | Fujitsu Ten Limited | Noise control device |
| JPH06289879A (en) * | 1992-05-01 | 1994-10-18 | Fujitsu Ten Ltd | Noise controller |
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