JPS6250U - - Google Patents
Info
- Publication number
- JPS6250U JPS6250U JP9124185U JP9124185U JPS6250U JP S6250 U JPS6250 U JP S6250U JP 9124185 U JP9124185 U JP 9124185U JP 9124185 U JP9124185 U JP 9124185U JP S6250 U JPS6250 U JP S6250U
- Authority
- JP
- Japan
- Prior art keywords
- vehicle interior
- vehicle
- sound insulation
- insulation sheet
- interior space
- 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
- 238000009413 insulation Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
Description
第１図は本考案に係る車両の吸音構造の一例の
構成を示す部分破断平面図、第２図は第１図の
―線に沿う断面図、第３図Ａ及びＢ、及び、第
４図は第１図及び第２図に示される例の作用の説
明に供されるヘルムホルツ型共鳴器の概略構成図
及び特性図である。
図中、１０はルーフパネル、１２は第１のシー
ト部材、２２ａは凹部、１４は第２のシート部材
、１４ａは透孔、２０は共鳴室、２２は共鳴用通
路である。
Fig. 1 is a partially cutaway plan view showing the configuration of an example of a sound absorbing structure for a vehicle according to the present invention, Fig. 2 is a sectional view taken along the line - - in Fig. 1, Figs. 3A and B, and Fig. 4. 2 is a schematic configuration diagram and characteristic diagram of a Helmholtz type resonator used to explain the operation of the example shown in FIGS. 1 and 2. FIG. In the figure, 10 is a roof panel, 12 is a first sheet member, 22a is a recess, 14 is a second sheet member, 14a is a through hole, 20 is a resonance chamber, and 22 is a resonance passage.
Claims (1)
して配された遮音シートとの間に形成される共鳴
室部と、上記共鳴室部と車室内空間とを所定長の
共鳴用通路を介して連通させ、上記の遮音シート
を貫通して上記車室内空間に通じる開口部が車室
内に着座する乗員の頭上に位置せしめられる連通
部とを具備して構成される車両の吸音構造。 A resonance chamber formed between a surface of the roof panel of the vehicle on the vehicle interior side and a sound insulation sheet disposed opposite to the surface, and a resonance passage having a predetermined length connecting the resonance chamber and the vehicle interior space. A sound absorbing structure for a vehicle, comprising: a communication part, the opening part communicating with the vehicle interior space through the sound insulation sheet and communicating with the vehicle interior space through the sound insulation sheet, the communication part being positioned above the head of an occupant seated in the vehicle interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985091241U JPH0410127Y2 (en) | 1985-06-17 | 1985-06-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985091241U JPH0410127Y2 (en) | 1985-06-17 | 1985-06-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6250U true JPS6250U (en) | 1987-01-06 |
| JPH0410127Y2 JPH0410127Y2 (en) | 1992-03-12 |
Family
ID=30646959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985091241U Expired JPH0410127Y2 (en) | 1985-06-17 | 1985-06-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0410127Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5738465A (en) * | 1980-08-20 | 1982-03-03 | Konishiroku Photo Ind Co Ltd | Variable magnification type copier |
-
1985
- 1985-06-17 JP JP1985091241U patent/JPH0410127Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5738465A (en) * | 1980-08-20 | 1982-03-03 | Konishiroku Photo Ind Co Ltd | Variable magnification type copier |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0410127Y2 (en) | 1992-03-12 |