JPH0269013U - - Google Patents
Info
- Publication number
- JPH0269013U JPH0269013U JP14715188U JP14715188U JPH0269013U JP H0269013 U JPH0269013 U JP H0269013U JP 14715188 U JP14715188 U JP 14715188U JP 14715188 U JP14715188 U JP 14715188U JP H0269013 U JPH0269013 U JP H0269013U
- Authority
- JP
- Japan
- Prior art keywords
- engine exhaust
- tubular
- resonance
- absorbing material
- sound absorbing
- 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.)
- Granted
Links
- 239000011358 absorbing material Substances 0.000 claims description 2
- 239000011491 glass wool Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Exhaust Silencers (AREA)
- Characterised By The Charging Evacuation (AREA)
Description
第１図は本考案の一実施例を示す概略構成図、
第２図は第１図の矢印方向から視た要部を断面
で示した拡大正面図、第３図は第１図及び第２図
に示した共鳴室装置１６による減音効果を示した
線図である。
１０……エンジン、１２……排気マニホールド
、１４……排気管、１６……共鳴室装置、１８…
…マフラ、２４……テールパイプ、２６，２８及
び３０……管状共鳴室、３４……吸音材。
FIG. 1 is a schematic configuration diagram showing an embodiment of the present invention;
FIG. 2 is an enlarged front view showing a cross section of the main part as seen from the direction of the arrow in FIG. 1, and FIG. 3 is a line showing the sound reduction effect by the resonance chamber device 16 shown in FIGS. 1 and 2. It is a diagram. 10...Engine, 12...Exhaust manifold, 14...Exhaust pipe, 16...Resonance chamber device, 18...
...Muffler, 24...Tail pipe, 26, 28 and 30...Tubular resonance chamber, 34...Sound absorbing material.
Claims (1)
の間に、夫々共鳴振動周波数が異る複数の管状共
鳴室を接続し、各管状共鳴室内に夫々グラスウー
ル等の吸音材を装入してなることを特徴とするエ
ンジンの排気騒音低減装置。 A plurality of tubular resonance chambers each having a different resonance vibration frequency are connected between the engine exhaust pipe and the muffler exhaust gas inlet pipe, and each tubular resonance chamber is filled with a sound absorbing material such as glass wool. An engine exhaust noise reduction device featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14715188U JPH0634568Y2 (en) | 1988-11-11 | 1988-11-11 | Engine exhaust noise reduction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14715188U JPH0634568Y2 (en) | 1988-11-11 | 1988-11-11 | Engine exhaust noise reduction device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0269013U true JPH0269013U (en) | 1990-05-25 |
| JPH0634568Y2 JPH0634568Y2 (en) | 1994-09-07 |
Family
ID=31417296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14715188U Expired - Lifetime JPH0634568Y2 (en) | 1988-11-11 | 1988-11-11 | Engine exhaust noise reduction device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0634568Y2 (en) |
-
1988
- 1988-11-11 JP JP14715188U patent/JPH0634568Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0634568Y2 (en) | 1994-09-07 |
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