JPH055386Y2 - - Google Patents
Info
- Publication number
- JPH055386Y2 JPH055386Y2 JP10485288U JP10485288U JPH055386Y2 JP H055386 Y2 JPH055386 Y2 JP H055386Y2 JP 10485288 U JP10485288 U JP 10485288U JP 10485288 U JP10485288 U JP 10485288U JP H055386 Y2 JPH055386 Y2 JP H055386Y2
- Authority
- JP
- Japan
- Prior art keywords
- ventilation
- passage forming
- silencer
- air passage
- forming member
- 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.)
- Expired - Lifetime
Links
- 238000009423 ventilation Methods 0.000 claims description 85
- 230000003584 silencer Effects 0.000 claims description 15
- 239000011358 absorbing material Substances 0.000 claims description 7
- 239000011810 insulating material Substances 0.000 claims description 6
- 125000006850 spacer group Chemical group 0.000 claims description 6
- 238000013016 damping Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000030279 gene silencing Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Landscapes
- Duct Arrangements (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10485288U JPH055386Y2 (sr) | 1988-08-10 | 1988-08-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10485288U JPH055386Y2 (sr) | 1988-08-10 | 1988-08-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0228035U JPH0228035U (sr) | 1990-02-23 |
| JPH055386Y2 true JPH055386Y2 (sr) | 1993-02-12 |
Family
ID=31336940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10485288U Expired - Lifetime JPH055386Y2 (sr) | 1988-08-10 | 1988-08-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH055386Y2 (sr) |
-
1988
- 1988-08-10 JP JP10485288U patent/JPH055386Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0228035U (sr) | 1990-02-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2002138829A (ja) | 吸音材付風管及びその製造方法 | |
| US6418229B1 (en) | Directional microphone, in particular having symmetrical directivity | |
| JPH0578040B2 (sr) | ||
| JPS622085A (ja) | 無騒音制御弁 | |
| JP2003130410A (ja) | 消音換気装置 | |
| JP2016009020A (ja) | 吸音パネル | |
| JPH055386Y2 (sr) | ||
| JP2008051488A (ja) | 防音換気口 | |
| JPS6314300U (sr) | ||
| JP2001092468A (ja) | 遮音壁の設計方法および遮音壁 | |
| JP3514954B2 (ja) | 管楽器用弱音具 | |
| JPH08322096A (ja) | 風切り音防止型マイクロホン | |
| JP2008303662A (ja) | 消音器 | |
| JPH06147624A (ja) | 送風ダクトの消音ボックス | |
| JPH0742699A (ja) | 送風機の消音装置 | |
| JPS6214472Y2 (sr) | ||
| JP7741734B2 (ja) | 減音装置及び減音システム | |
| KR102929374B1 (ko) | 대나무를 이용한 흡음 보드 | |
| JPH03488Y2 (sr) | ||
| JPS5936160B2 (ja) | 消音装置 | |
| JPS6315675Y2 (sr) | ||
| JPH0455541A (ja) | 吸音壁 | |
| JPH09287430A (ja) | 消音器用シェル | |
| JPH03286947A (ja) | ダクト形サイレンサー | |
| JPH087759Y2 (ja) | 位相反転型スピーカ装置 |