JPH01100000U - - Google Patents
Info
- Publication number
- JPH01100000U JPH01100000U JP19929187U JP19929187U JPH01100000U JP H01100000 U JPH01100000 U JP H01100000U JP 19929187 U JP19929187 U JP 19929187U JP 19929187 U JP19929187 U JP 19929187U JP H01100000 U JPH01100000 U JP H01100000U
- Authority
- JP
- Japan
- Prior art keywords
- blower
- wind tunnel
- duct
- air
- length
- 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
- 238000007664 blowing Methods 0.000 claims 1
- 230000003584 silencer Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Description
第１図は本考案の原理説明図、第２図は本考案
による一実施例の説明図で、ａは斜視図、ｂ１，
ｂ２は要部断面図、第３図は従来の説明図で、ａ
は斜視図、ｂは騒音の伝播を示す圧力と時間との
関係グラフを示す。
図において、１は送風機、２は第１のダクト、
３は第１の風洞、４は第２のダクト、５は第２の
風洞、６は伸縮機構、２Ａは側壁を示す。
Fig. 1 is an explanatory diagram of the principle of the present invention, Fig. 2 is an explanatory diagram of an embodiment of the invention, where a is a perspective view, b1,
b2 is a sectional view of the main part, Fig. 3 is a conventional explanatory diagram, and a
is a perspective view, and b is a graph showing the relationship between pressure and time showing the propagation of noise. In the figure, 1 is a blower, 2 is a first duct,
3 is a first wind tunnel, 4 is a second duct, 5 is a second wind tunnel, 6 is an expansion mechanism, and 2A is a side wall.
Claims (1)
風を他端より送出する所定の長さの第１の風洞３
を形成する第１のダクト２と、該第１のダクト２
の側壁２Ａに設けられ、該第１の風洞３に連通す
る第２の風洞５を形成する第２のダクト４とを備
え、送風に際しての送風機１より発生する騒音を
消音する消音器において、 前記第２の風洞５の長さＬａが可変されるよう
、前記第２のダクト４に伸縮機構６が設けられて
成ることを特徴とする消音器。[Claims for Utility Model Registration] A first wind tunnel 3 having a predetermined length, which locks the blower 1 at one end and sends air from the blower 1 from the other end.
a first duct 2 forming a
a second duct 4 which is provided on the side wall 2A of the air blower and which forms a second wind tunnel 5 that communicates with the first wind tunnel 3, and which muffles the noise generated by the blower 1 when blowing air; A silencer characterized in that the second duct 4 is provided with a telescoping mechanism 6 so that the length La of the second wind tunnel 5 can be varied.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19929187U JPH01100000U (en) | 1987-12-24 | 1987-12-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19929187U JPH01100000U (en) | 1987-12-24 | 1987-12-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01100000U true JPH01100000U (en) | 1989-07-05 |
Family
ID=31489748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19929187U Pending JPH01100000U (en) | 1987-12-24 | 1987-12-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01100000U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08305370A (en) * | 1995-05-08 | 1996-11-22 | Ricoh Co Ltd | Silencer and noise reflection surface member |
| JP2009121682A (en) * | 2007-11-15 | 2009-06-04 | Ge-Hitachi Nuclear Energy Americas Llc | Acoustic load mitigator |
-
1987
- 1987-12-24 JP JP19929187U patent/JPH01100000U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08305370A (en) * | 1995-05-08 | 1996-11-22 | Ricoh Co Ltd | Silencer and noise reflection surface member |
| JP2009121682A (en) * | 2007-11-15 | 2009-06-04 | Ge-Hitachi Nuclear Energy Americas Llc | Acoustic load mitigator |