JPH0482488U - - Google Patents
Info
- Publication number
- JPH0482488U JPH0482488U JP12424090U JP12424090U JPH0482488U JP H0482488 U JPH0482488 U JP H0482488U JP 12424090 U JP12424090 U JP 12424090U JP 12424090 U JP12424090 U JP 12424090U JP H0482488 U JPH0482488 U JP H0482488U
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- fluid
- acoustic impedance
- expanded
- pipe line
- 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
- 239000012530 fluid Substances 0.000 claims 4
- 239000000463 material Substances 0.000 claims 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000003584 silencer Effects 0.000 description 1
Landscapes
- Pipe Accessories (AREA)
Description
第１図は本考案の一実施例に係る断面図、第２
図は従来の減音ダクトの断面図である。
１……ダクト、２……アクリル製ダクト、３…
…水、４……サイレンサ、５……水、６……パイ
プ。
Figure 1 is a cross-sectional view of one embodiment of the present invention;
The figure is a sectional view of a conventional sound attenuation duct. 1...Duct, 2...Acrylic duct, 3...
...Water, 4...Silencer, 5...Water, 6...Pipe.
Claims (1)
スと略々等しい音響インピーダンスを有する管材
とし、該管材の周囲に前記管材と同長の拡管部を
設け、該拡管部の前後に前記管路の作動流体と前
記拡管部内の流体とを接続する管路を設けたこと
を特徴とする減音ダクト。 A part of the fluid pipe line is made of a pipe material having an acoustic impedance that is approximately equal to the acoustic impedance of the working fluid, and an enlarged pipe part having the same length as the pipe material is provided around the pipe material, and the operation of the pipe line is provided before and after the expanded pipe part. A sound reduction duct characterized in that a pipe line is provided to connect a fluid to the fluid in the expanded pipe section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990124240U JPH0743592Y2 (en) | 1990-11-28 | 1990-11-28 | Sound reduction duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990124240U JPH0743592Y2 (en) | 1990-11-28 | 1990-11-28 | Sound reduction duct |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0482488U true JPH0482488U (en) | 1992-07-17 |
| JPH0743592Y2 JPH0743592Y2 (en) | 1995-10-09 |
Family
ID=31871900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990124240U Expired - Lifetime JPH0743592Y2 (en) | 1990-11-28 | 1990-11-28 | Sound reduction duct |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0743592Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6217652A (en) * | 1985-07-16 | 1987-01-26 | Hazama Gumi Ltd | Ultrasonic transmission apparatus |
-
1990
- 1990-11-28 JP JP1990124240U patent/JPH0743592Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6217652A (en) * | 1985-07-16 | 1987-01-26 | Hazama Gumi Ltd | Ultrasonic transmission apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0743592Y2 (en) | 1995-10-09 |
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