JPS5243104A - Damper for an air pressure wave with a low frequency - Google Patents
Damper for an air pressure wave with a low frequencyInfo
- Publication number
- JPS5243104A JPS5243104A JP11774975A JP11774975A JPS5243104A JP S5243104 A JPS5243104 A JP S5243104A JP 11774975 A JP11774975 A JP 11774975A JP 11774975 A JP11774975 A JP 11774975A JP S5243104 A JPS5243104 A JP S5243104A
- Authority
- JP
- Japan
- Prior art keywords
- low frequency
- air pressure
- pressure wave
- damper
- pipe
- 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
Landscapes
- Exhaust Silencers (AREA)
- Pipe Accessories (AREA)
Abstract
PURPOSE: A pipe coiled with a radius of curvature larger than the outside diameter and smaller than the length of the pipe, which is closed at one end and is open to an air piping at another end, constitutes a compact resonance-type damper for an air pressure wave with a low frequency.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11774975A JPS5243104A (en) | 1975-10-01 | 1975-10-01 | Damper for an air pressure wave with a low frequency |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11774975A JPS5243104A (en) | 1975-10-01 | 1975-10-01 | Damper for an air pressure wave with a low frequency |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5243104A true JPS5243104A (en) | 1977-04-04 |
JPS554204B2 JPS554204B2 (en) | 1980-01-29 |
Family
ID=14719351
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11774975A Granted JPS5243104A (en) | 1975-10-01 | 1975-10-01 | Damper for an air pressure wave with a low frequency |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5243104A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5551910A (en) * | 1978-10-13 | 1980-04-16 | Nippon Radiator Co Ltd | Active muffler |
US6116872A (en) * | 1997-02-04 | 2000-09-12 | Hitachi Construction Machinery Co., Ltd | Ripple reducing device |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58195794U (en) * | 1982-06-23 | 1983-12-26 | 東洋エクステリア株式会社 | telescopic gate |
JPS59486A (en) * | 1982-06-23 | 1984-01-05 | 東洋エクステリア株式会社 | Extensible gate door |
JPS58195795U (en) * | 1982-06-23 | 1983-12-26 | 東洋エクステリア株式会社 | telescopic gate |
JPS59487A (en) * | 1982-06-23 | 1984-01-05 | 東洋エクステリア株式会社 | Extensible gate door |
-
1975
- 1975-10-01 JP JP11774975A patent/JPS5243104A/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5551910A (en) * | 1978-10-13 | 1980-04-16 | Nippon Radiator Co Ltd | Active muffler |
US6116872A (en) * | 1997-02-04 | 2000-09-12 | Hitachi Construction Machinery Co., Ltd | Ripple reducing device |
Also Published As
Publication number | Publication date |
---|---|
JPS554204B2 (en) | 1980-01-29 |
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