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。
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。
Claims (1)
- 流体管路の一部を作動流体の音響インピーダン
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。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990124240U JPH0743592Y2 (ja) | 1990-11-28 | 1990-11-28 | 減音ダクト |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990124240U JPH0743592Y2 (ja) | 1990-11-28 | 1990-11-28 | 減音ダクト |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0482488U true JPH0482488U (ja) | 1992-07-17 |
| JPH0743592Y2 JPH0743592Y2 (ja) | 1995-10-09 |
Family
ID=31871900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990124240U Expired - Lifetime JPH0743592Y2 (ja) | 1990-11-28 | 1990-11-28 | 減音ダクト |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0743592Y2 (ja) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6217652A (ja) * | 1985-07-16 | 1987-01-26 | Hazama Gumi Ltd | 超音波発信装置 |
-
1990
- 1990-11-28 JP JP1990124240U patent/JPH0743592Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6217652A (ja) * | 1985-07-16 | 1987-01-26 | Hazama Gumi Ltd | 超音波発信装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0743592Y2 (ja) | 1995-10-09 |