JPH02139212U - - Google Patents
Info
- Publication number
- JPH02139212U JPH02139212U JP4834089U JP4834089U JPH02139212U JP H02139212 U JPH02139212 U JP H02139212U JP 4834089 U JP4834089 U JP 4834089U JP 4834089 U JP4834089 U JP 4834089U JP H02139212 U JPH02139212 U JP H02139212U
- Authority
- JP
- Japan
- Prior art keywords
- wedge
- shaped sound
- sound absorbers
- shaped
- absorbers
- 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
- 239000006096 absorbing agent Substances 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Building Environments (AREA)
Description
第１図は本考案の一実施例を示す平面図、第２
図は第１図の正面図、第３図は第２図の各楔吸音
体の特性図である。第４図は公知の吸音壁構造を
示す平面図、第５図は第４図の−に沿つた正
面図、第６図は第４図の吸音壁の吸音特性図であ
る。
１，２，３，４……楔状吸音体、ｌ１……楔状
吸音体１の長さ、ｌ２……楔状吸音体２の長さ、
ｌ３……楔状吸音体３の長さ、ｌ４……楔状吸音
体４の長さ。
Fig. 1 is a plan view showing one embodiment of the present invention;
The figure is a front view of FIG. 1, and FIG. 3 is a characteristic diagram of each wedge sound absorber shown in FIG. FIG. 4 is a plan view showing a known sound-absorbing wall structure, FIG. 5 is a front view taken along - in FIG. 4, and FIG. 6 is a sound-absorbing characteristic diagram of the sound-absorbing wall shown in FIG. 4. 1, 2, 3, 4... Wedge-shaped sound absorber, l 1 ... Length of wedge-shaped sound absorber 1, l 2 ... Length of wedge-shaped sound absorber 2,
l 3 ... Length of the wedge-shaped sound absorber 3, l 4 ... Length of the wedge-shaped sound absorber 4.
Claims (1)
壁構造において、上記楔状吸音体を長さを異にす
る複数の楔状吸音体としたことを特徴とする吸音
壁構造。 A sound-absorbing wall structure comprising a plurality of wedge-shaped sound absorbers laid out vertically and horizontally, characterized in that the wedge-shaped sound absorbers are a plurality of wedge-shaped sound absorbers having different lengths.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4834089U JPH02139212U (en) | 1989-04-25 | 1989-04-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4834089U JPH02139212U (en) | 1989-04-25 | 1989-04-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02139212U true JPH02139212U (en) | 1990-11-21 |
Family
ID=31565058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4834089U Pending JPH02139212U (en) | 1989-04-25 | 1989-04-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02139212U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0538698U (en) * | 1991-10-23 | 1993-05-25 | 防衛庁技術研究本部長 | Underwater sound absorption wedge |
| WO2009130891A1 (en) * | 2008-04-22 | 2009-10-29 | 広東松下環境系統有限公司 | Centrifugal fan and method of reducing noise of centrifugal fan |
-
1989
- 1989-04-25 JP JP4834089U patent/JPH02139212U/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0538698U (en) * | 1991-10-23 | 1993-05-25 | 防衛庁技術研究本部長 | Underwater sound absorption wedge |
| WO2009130891A1 (en) * | 2008-04-22 | 2009-10-29 | 広東松下環境系統有限公司 | Centrifugal fan and method of reducing noise of centrifugal fan |
| JP2009264121A (en) * | 2008-04-22 | 2009-11-12 | Panasonic Corp | Centrifugal blower, and method for reducing noise of centrifugal fan |
| CN101965461A (en) * | 2008-04-22 | 2011-02-02 | 广东松下环境系统有限公司 | Centrifugal fan and noise reduction method in centrifugal fan |