JPH02128032U - - Google Patents
Info
- Publication number
- JPH02128032U JPH02128032U JP3471889U JP3471889U JPH02128032U JP H02128032 U JPH02128032 U JP H02128032U JP 3471889 U JP3471889 U JP 3471889U JP 3471889 U JP3471889 U JP 3471889U JP H02128032 U JPH02128032 U JP H02128032U
- Authority
- JP
- Japan
- Prior art keywords
- elbow
- resonant
- support material
- predetermined
- perforated plate
- 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
- 238000004378 air conditioning Methods 0.000 claims 1
- 238000009423 ventilation Methods 0.000 claims 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Branch Pipes, Bends, And The Like (AREA)
- Duct Arrangements (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989034718U JP2517069Y2 (ja) | 1989-03-29 | 1989-03-29 | 共鳴・共振型消音エルボ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989034718U JP2517069Y2 (ja) | 1989-03-29 | 1989-03-29 | 共鳴・共振型消音エルボ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02128032U true JPH02128032U (tr) | 1990-10-22 |
| JP2517069Y2 JP2517069Y2 (ja) | 1996-11-13 |
Family
ID=31539439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989034718U Expired - Lifetime JP2517069Y2 (ja) | 1989-03-29 | 1989-03-29 | 共鳴・共振型消音エルボ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2517069Y2 (tr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109215627A (zh) * | 2017-07-05 | 2019-01-15 | 哈尔滨城林科技股份有限公司 | 高效消声弯头 |
-
1989
- 1989-03-29 JP JP1989034718U patent/JP2517069Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109215627A (zh) * | 2017-07-05 | 2019-01-15 | 哈尔滨城林科技股份有限公司 | 高效消声弯头 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2517069Y2 (ja) | 1996-11-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |