JPS61155252U - - Google Patents
Info
- Publication number
- JPS61155252U JPS61155252U JP4003985U JP4003985U JPS61155252U JP S61155252 U JPS61155252 U JP S61155252U JP 4003985 U JP4003985 U JP 4003985U JP 4003985 U JP4003985 U JP 4003985U JP S61155252 U JPS61155252 U JP S61155252U
- Authority
- JP
- Japan
- Prior art keywords
- silencer
- material layer
- metal foil
- sound
- insulating material
- 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
- 230000003584 silencer Effects 0.000 claims description 5
- 239000011358 absorbing material Substances 0.000 claims description 2
- 239000011888 foil Substances 0.000 claims description 2
- 239000011810 insulating material Substances 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
Landscapes
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Laminated Bodies (AREA)
Description
第１図ないし第３図は本考案の第１実施例を表
わし、第１図は第６図と同様な部分切欠垂直断面
図、第２図は車両の前席における音圧レベルを当
該実施例のダツシユサイレンサと従来のダツシユ
サイレンサとの間で比較して示すグラフ、第３図
はワイヤハーネス貫通部における第１図と同様な
断面図、第４図は本考案の第２実施例に係るダツ
シユサイレンサの第１図と同様な断面図、第５図
及び第６図は従来におけるダツシユサイレンサを
表わし、第５図は車体との位置関係を表わす部分
切欠概略図、第６図は第５図におけるＡ部の拡大
図である。
１：ダツシユサイレンサ、４：ダツシユパネル
、５：制振材層、６：吸音材層、７：遮音材層、
８：金属箔層、９：ワイヤハーネス。
1 to 3 show a first embodiment of the present invention, FIG. 1 is a partially cutaway vertical sectional view similar to FIG. 6, and FIG. 2 shows the sound pressure level in the front seat of a vehicle according to the embodiment. 3 is a cross-sectional view of the wire harness penetration part similar to that shown in FIG. A sectional view similar to FIG. 1 of the dart silencer, FIGS. 5 and 6 show a conventional dart silencer, FIG. 5 is a partially cutaway schematic diagram showing the positional relationship with the vehicle body, and FIG. 6 is an enlarged view of part A in FIG. 5. FIG. 1: Dash silencer, 4: Dash panel, 5: Vibration damping material layer, 6: Sound absorbing material layer, 7: Sound insulating material layer,
8: Metal foil layer, 9: Wire harness.
Claims (1)
サイレンサにおいて、少なくとも吸音材層と遮音
材層とを含む積層体で形成されると共に、所望の
層間に金属箔層が介装されたことを特徴とする上
記ダツシユサイレンサ。 The above-mentioned dart silencer for blocking noise from an engine room is formed of a laminate including at least a sound absorbing material layer and a sound insulating material layer, and a metal foil layer is interposed between desired layers. Datsushi silencer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4003985U JPS61155252U (en) | 1985-03-20 | 1985-03-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4003985U JPS61155252U (en) | 1985-03-20 | 1985-03-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61155252U true JPS61155252U (en) | 1986-09-26 |
Family
ID=30548549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4003985U Pending JPS61155252U (en) | 1985-03-20 | 1985-03-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61155252U (en) |
-
1985
- 1985-03-20 JP JP4003985U patent/JPS61155252U/ja active Pending
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