JPH0393900U - - Google Patents
Info
- Publication number
- JPH0393900U JPH0393900U JP15287489U JP15287489U JPH0393900U JP H0393900 U JPH0393900 U JP H0393900U JP 15287489 U JP15287489 U JP 15287489U JP 15287489 U JP15287489 U JP 15287489U JP H0393900 U JPH0393900 U JP H0393900U
- Authority
- JP
- Japan
- Prior art keywords
- flow path
- sound
- gas flow
- absorbing material
- wall
- 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 3
- 230000003584 silencer Effects 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
Landscapes
- Duct Arrangements (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Description
第１図及び第２図はそれぞれ本考案の消音装置
の断面を示す図、第３図ａ，ｂは従来形の消音装
置を示す図、第４図は第３図ａ，ｂのＡ−Ａ断面
を示す図である。
図中、１……消音装置のケース、２，２ａ，２
ｂ，２ｃ……気体流路、３……吸音材、４……流
体の流れる方向を示す矢印。
Figures 1 and 2 are cross-sectional views of the silencer of the present invention, Figures 3a and b are views of conventional silencers, and Figure 4 is A-A in Figures 3a and b. FIG. 3 is a diagram showing a cross section. In the figure, 1... Case of the silencer, 2, 2a, 2
b, 2c... Gas flow path, 3... Sound absorbing material, 4... Arrow indicating the direction of fluid flow.
Claims (1)
体流路を形成した構造の消音装置において、 前記気体流路の気流方向上流側から下流側に向
かつて前記吸音材からなる壁の厚さを段階的に薄
くし、前記気体流路断面を段階的に広くしたこと
を特徴とする消音装置。[Scope of Claim for Utility Model Registration] A sound muffling device having a structure in which a wall of a case forms a gas flow path through which gas is made of a sound-absorbing material, and the sound-absorbing material extends from the upstream side to the downstream side in the air flow direction of the gas flow path. 1. A silencer characterized in that the thickness of the wall made of is gradually reduced, and the cross section of the gas flow path is gradually widened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989152874U JPH0732636Y2 (en) | 1989-12-29 | 1989-12-29 | Silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989152874U JPH0732636Y2 (en) | 1989-12-29 | 1989-12-29 | Silencer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0393900U true JPH0393900U (en) | 1991-09-25 |
| JPH0732636Y2 JPH0732636Y2 (en) | 1995-07-26 |
Family
ID=31699113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989152874U Expired - Lifetime JPH0732636Y2 (en) | 1989-12-29 | 1989-12-29 | Silencer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0732636Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006313055A (en) * | 2005-04-06 | 2006-11-16 | Sasakura Engineering Co Ltd | Silencer for ventilating air duct |
| KR200448763Y1 (en) * | 2008-06-24 | 2010-05-18 | 주식회사 바이롬 | Silencer of air conditioning duct for a building |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5173746A (en) * | 1974-12-20 | 1976-06-25 | Matsushita Seiko Kk | TONNERUYOHAIKISOCHI |
| JPS52160601U (en) * | 1976-05-29 | 1977-12-06 |
-
1989
- 1989-12-29 JP JP1989152874U patent/JPH0732636Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5173746A (en) * | 1974-12-20 | 1976-06-25 | Matsushita Seiko Kk | TONNERUYOHAIKISOCHI |
| JPS52160601U (en) * | 1976-05-29 | 1977-12-06 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006313055A (en) * | 2005-04-06 | 2006-11-16 | Sasakura Engineering Co Ltd | Silencer for ventilating air duct |
| KR200448763Y1 (en) * | 2008-06-24 | 2010-05-18 | 주식회사 바이롬 | Silencer of air conditioning duct for a building |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0732636Y2 (en) | 1995-07-26 |
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